🔀 Merge “release/v81” into “master”
[Sone.git] / src / main / resources / static / javascript / jquery-3.4.1.js
1 /*!
2  * jQuery JavaScript Library v3.4.1
3  * https://jquery.com/
4  *
5  * Includes Sizzle.js
6  * https://sizzlejs.com/
7  *
8  * Copyright JS Foundation and other contributors
9  * Released under the MIT license
10  * https://jquery.org/license
11  *
12  * Date: 2019-05-01T21:04Z
13  */
14 ( function( global, factory ) {
15
16         "use strict";
17
18         if ( typeof module === "object" && typeof module.exports === "object" ) {
19
20                 // For CommonJS and CommonJS-like environments where a proper `window`
21                 // is present, execute the factory and get jQuery.
22                 // For environments that do not have a `window` with a `document`
23                 // (such as Node.js), expose a factory as module.exports.
24                 // This accentuates the need for the creation of a real `window`.
25                 // e.g. var jQuery = require("jquery")(window);
26                 // See ticket #14549 for more info.
27                 module.exports = global.document ?
28                         factory( global, true ) :
29                         function( w ) {
30                                 if ( !w.document ) {
31                                         throw new Error( "jQuery requires a window with a document" );
32                                 }
33                                 return factory( w );
34                         };
35         } else {
36                 factory( global );
37         }
38
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
41
42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45 // enough that all such attempts are guarded in a try block.
46 "use strict";
47
48 var arr = [];
49
50 var document = window.document;
51
52 var getProto = Object.getPrototypeOf;
53
54 var slice = arr.slice;
55
56 var concat = arr.concat;
57
58 var push = arr.push;
59
60 var indexOf = arr.indexOf;
61
62 var class2type = {};
63
64 var toString = class2type.toString;
65
66 var hasOwn = class2type.hasOwnProperty;
67
68 var fnToString = hasOwn.toString;
69
70 var ObjectFunctionString = fnToString.call( Object );
71
72 var support = {};
73
74 var isFunction = function isFunction( obj ) {
75
76       // Support: Chrome <=57, Firefox <=52
77       // In some browsers, typeof returns "function" for HTML <object> elements
78       // (i.e., `typeof document.createElement( "object" ) === "function"`).
79       // We don't want to classify *any* DOM node as a function.
80       return typeof obj === "function" && typeof obj.nodeType !== "number";
81   };
82
83
84 var isWindow = function isWindow( obj ) {
85                 return obj != null && obj === obj.window;
86         };
87
88
89
90
91         var preservedScriptAttributes = {
92                 type: true,
93                 src: true,
94                 nonce: true,
95                 noModule: true
96         };
97
98         function DOMEval( code, node, doc ) {
99                 doc = doc || document;
100
101                 var i, val,
102                         script = doc.createElement( "script" );
103
104                 script.text = code;
105                 if ( node ) {
106                         for ( i in preservedScriptAttributes ) {
107
108                                 // Support: Firefox 64+, Edge 18+
109                                 // Some browsers don't support the "nonce" property on scripts.
110                                 // On the other hand, just using `getAttribute` is not enough as
111                                 // the `nonce` attribute is reset to an empty string whenever it
112                                 // becomes browsing-context connected.
113                                 // See https://github.com/whatwg/html/issues/2369
114                                 // See https://html.spec.whatwg.org/#nonce-attributes
115                                 // The `node.getAttribute` check was added for the sake of
116                                 // `jQuery.globalEval` so that it can fake a nonce-containing node
117                                 // via an object.
118                                 val = node[ i ] || node.getAttribute && node.getAttribute( i );
119                                 if ( val ) {
120                                         script.setAttribute( i, val );
121                                 }
122                         }
123                 }
124                 doc.head.appendChild( script ).parentNode.removeChild( script );
125         }
126
127
128 function toType( obj ) {
129         if ( obj == null ) {
130                 return obj + "";
131         }
132
133         // Support: Android <=2.3 only (functionish RegExp)
134         return typeof obj === "object" || typeof obj === "function" ?
135                 class2type[ toString.call( obj ) ] || "object" :
136                 typeof obj;
137 }
138 /* global Symbol */
139 // Defining this global in .eslintrc.json would create a danger of using the global
140 // unguarded in another place, it seems safer to define global only for this module
141
142
143
144 var
145         version = "3.4.1",
146
147         // Define a local copy of jQuery
148         jQuery = function( selector, context ) {
149
150                 // The jQuery object is actually just the init constructor 'enhanced'
151                 // Need init if jQuery is called (just allow error to be thrown if not included)
152                 return new jQuery.fn.init( selector, context );
153         },
154
155         // Support: Android <=4.0 only
156         // Make sure we trim BOM and NBSP
157         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
158
159 jQuery.fn = jQuery.prototype = {
160
161         // The current version of jQuery being used
162         jquery: version,
163
164         constructor: jQuery,
165
166         // The default length of a jQuery object is 0
167         length: 0,
168
169         toArray: function() {
170                 return slice.call( this );
171         },
172
173         // Get the Nth element in the matched element set OR
174         // Get the whole matched element set as a clean array
175         get: function( num ) {
176
177                 // Return all the elements in a clean array
178                 if ( num == null ) {
179                         return slice.call( this );
180                 }
181
182                 // Return just the one element from the set
183                 return num < 0 ? this[ num + this.length ] : this[ num ];
184         },
185
186         // Take an array of elements and push it onto the stack
187         // (returning the new matched element set)
188         pushStack: function( elems ) {
189
190                 // Build a new jQuery matched element set
191                 var ret = jQuery.merge( this.constructor(), elems );
192
193                 // Add the old object onto the stack (as a reference)
194                 ret.prevObject = this;
195
196                 // Return the newly-formed element set
197                 return ret;
198         },
199
200         // Execute a callback for every element in the matched set.
201         each: function( callback ) {
202                 return jQuery.each( this, callback );
203         },
204
205         map: function( callback ) {
206                 return this.pushStack( jQuery.map( this, function( elem, i ) {
207                         return callback.call( elem, i, elem );
208                 } ) );
209         },
210
211         slice: function() {
212                 return this.pushStack( slice.apply( this, arguments ) );
213         },
214
215         first: function() {
216                 return this.eq( 0 );
217         },
218
219         last: function() {
220                 return this.eq( -1 );
221         },
222
223         eq: function( i ) {
224                 var len = this.length,
225                         j = +i + ( i < 0 ? len : 0 );
226                 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
227         },
228
229         end: function() {
230                 return this.prevObject || this.constructor();
231         },
232
233         // For internal use only.
234         // Behaves like an Array's method, not like a jQuery method.
235         push: push,
236         sort: arr.sort,
237         splice: arr.splice
238 };
239
240 jQuery.extend = jQuery.fn.extend = function() {
241         var options, name, src, copy, copyIsArray, clone,
242                 target = arguments[ 0 ] || {},
243                 i = 1,
244                 length = arguments.length,
245                 deep = false;
246
247         // Handle a deep copy situation
248         if ( typeof target === "boolean" ) {
249                 deep = target;
250
251                 // Skip the boolean and the target
252                 target = arguments[ i ] || {};
253                 i++;
254         }
255
256         // Handle case when target is a string or something (possible in deep copy)
257         if ( typeof target !== "object" && !isFunction( target ) ) {
258                 target = {};
259         }
260
261         // Extend jQuery itself if only one argument is passed
262         if ( i === length ) {
263                 target = this;
264                 i--;
265         }
266
267         for ( ; i < length; i++ ) {
268
269                 // Only deal with non-null/undefined values
270                 if ( ( options = arguments[ i ] ) != null ) {
271
272                         // Extend the base object
273                         for ( name in options ) {
274                                 copy = options[ name ];
275
276                                 // Prevent Object.prototype pollution
277                                 // Prevent never-ending loop
278                                 if ( name === "__proto__" || target === copy ) {
279                                         continue;
280                                 }
281
282                                 // Recurse if we're merging plain objects or arrays
283                                 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
284                                         ( copyIsArray = Array.isArray( copy ) ) ) ) {
285                                         src = target[ name ];
286
287                                         // Ensure proper type for the source value
288                                         if ( copyIsArray && !Array.isArray( src ) ) {
289                                                 clone = [];
290                                         } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
291                                                 clone = {};
292                                         } else {
293                                                 clone = src;
294                                         }
295                                         copyIsArray = false;
296
297                                         // Never move original objects, clone them
298                                         target[ name ] = jQuery.extend( deep, clone, copy );
299
300                                 // Don't bring in undefined values
301                                 } else if ( copy !== undefined ) {
302                                         target[ name ] = copy;
303                                 }
304                         }
305                 }
306         }
307
308         // Return the modified object
309         return target;
310 };
311
312 jQuery.extend( {
313
314         // Unique for each copy of jQuery on the page
315         expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
316
317         // Assume jQuery is ready without the ready module
318         isReady: true,
319
320         error: function( msg ) {
321                 throw new Error( msg );
322         },
323
324         noop: function() {},
325
326         isPlainObject: function( obj ) {
327                 var proto, Ctor;
328
329                 // Detect obvious negatives
330                 // Use toString instead of jQuery.type to catch host objects
331                 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
332                         return false;
333                 }
334
335                 proto = getProto( obj );
336
337                 // Objects with no prototype (e.g., `Object.create( null )`) are plain
338                 if ( !proto ) {
339                         return true;
340                 }
341
342                 // Objects with prototype are plain iff they were constructed by a global Object function
343                 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
344                 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
345         },
346
347         isEmptyObject: function( obj ) {
348                 var name;
349
350                 for ( name in obj ) {
351                         return false;
352                 }
353                 return true;
354         },
355
356         // Evaluates a script in a global context
357         globalEval: function( code, options ) {
358                 DOMEval( code, { nonce: options && options.nonce } );
359         },
360
361         each: function( obj, callback ) {
362                 var length, i = 0;
363
364                 if ( isArrayLike( obj ) ) {
365                         length = obj.length;
366                         for ( ; i < length; i++ ) {
367                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
368                                         break;
369                                 }
370                         }
371                 } else {
372                         for ( i in obj ) {
373                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
374                                         break;
375                                 }
376                         }
377                 }
378
379                 return obj;
380         },
381
382         // Support: Android <=4.0 only
383         trim: function( text ) {
384                 return text == null ?
385                         "" :
386                         ( text + "" ).replace( rtrim, "" );
387         },
388
389         // results is for internal usage only
390         makeArray: function( arr, results ) {
391                 var ret = results || [];
392
393                 if ( arr != null ) {
394                         if ( isArrayLike( Object( arr ) ) ) {
395                                 jQuery.merge( ret,
396                                         typeof arr === "string" ?
397                                         [ arr ] : arr
398                                 );
399                         } else {
400                                 push.call( ret, arr );
401                         }
402                 }
403
404                 return ret;
405         },
406
407         inArray: function( elem, arr, i ) {
408                 return arr == null ? -1 : indexOf.call( arr, elem, i );
409         },
410
411         // Support: Android <=4.0 only, PhantomJS 1 only
412         // push.apply(_, arraylike) throws on ancient WebKit
413         merge: function( first, second ) {
414                 var len = +second.length,
415                         j = 0,
416                         i = first.length;
417
418                 for ( ; j < len; j++ ) {
419                         first[ i++ ] = second[ j ];
420                 }
421
422                 first.length = i;
423
424                 return first;
425         },
426
427         grep: function( elems, callback, invert ) {
428                 var callbackInverse,
429                         matches = [],
430                         i = 0,
431                         length = elems.length,
432                         callbackExpect = !invert;
433
434                 // Go through the array, only saving the items
435                 // that pass the validator function
436                 for ( ; i < length; i++ ) {
437                         callbackInverse = !callback( elems[ i ], i );
438                         if ( callbackInverse !== callbackExpect ) {
439                                 matches.push( elems[ i ] );
440                         }
441                 }
442
443                 return matches;
444         },
445
446         // arg is for internal usage only
447         map: function( elems, callback, arg ) {
448                 var length, value,
449                         i = 0,
450                         ret = [];
451
452                 // Go through the array, translating each of the items to their new values
453                 if ( isArrayLike( elems ) ) {
454                         length = elems.length;
455                         for ( ; i < length; i++ ) {
456                                 value = callback( elems[ i ], i, arg );
457
458                                 if ( value != null ) {
459                                         ret.push( value );
460                                 }
461                         }
462
463                 // Go through every key on the object,
464                 } else {
465                         for ( i in elems ) {
466                                 value = callback( elems[ i ], i, arg );
467
468                                 if ( value != null ) {
469                                         ret.push( value );
470                                 }
471                         }
472                 }
473
474                 // Flatten any nested arrays
475                 return concat.apply( [], ret );
476         },
477
478         // A global GUID counter for objects
479         guid: 1,
480
481         // jQuery.support is not used in Core but other projects attach their
482         // properties to it so it needs to exist.
483         support: support
484 } );
485
486 if ( typeof Symbol === "function" ) {
487         jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
488 }
489
490 // Populate the class2type map
491 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
492 function( i, name ) {
493         class2type[ "[object " + name + "]" ] = name.toLowerCase();
494 } );
495
496 function isArrayLike( obj ) {
497
498         // Support: real iOS 8.2 only (not reproducible in simulator)
499         // `in` check used to prevent JIT error (gh-2145)
500         // hasOwn isn't used here due to false negatives
501         // regarding Nodelist length in IE
502         var length = !!obj && "length" in obj && obj.length,
503                 type = toType( obj );
504
505         if ( isFunction( obj ) || isWindow( obj ) ) {
506                 return false;
507         }
508
509         return type === "array" || length === 0 ||
510                 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
511 }
512 var Sizzle =
513 /*!
514  * Sizzle CSS Selector Engine v2.3.4
515  * https://sizzlejs.com/
516  *
517  * Copyright JS Foundation and other contributors
518  * Released under the MIT license
519  * https://js.foundation/
520  *
521  * Date: 2019-04-08
522  */
523 (function( window ) {
524
525 var i,
526         support,
527         Expr,
528         getText,
529         isXML,
530         tokenize,
531         compile,
532         select,
533         outermostContext,
534         sortInput,
535         hasDuplicate,
536
537         // Local document vars
538         setDocument,
539         document,
540         docElem,
541         documentIsHTML,
542         rbuggyQSA,
543         rbuggyMatches,
544         matches,
545         contains,
546
547         // Instance-specific data
548         expando = "sizzle" + 1 * new Date(),
549         preferredDoc = window.document,
550         dirruns = 0,
551         done = 0,
552         classCache = createCache(),
553         tokenCache = createCache(),
554         compilerCache = createCache(),
555         nonnativeSelectorCache = createCache(),
556         sortOrder = function( a, b ) {
557                 if ( a === b ) {
558                         hasDuplicate = true;
559                 }
560                 return 0;
561         },
562
563         // Instance methods
564         hasOwn = ({}).hasOwnProperty,
565         arr = [],
566         pop = arr.pop,
567         push_native = arr.push,
568         push = arr.push,
569         slice = arr.slice,
570         // Use a stripped-down indexOf as it's faster than native
571         // https://jsperf.com/thor-indexof-vs-for/5
572         indexOf = function( list, elem ) {
573                 var i = 0,
574                         len = list.length;
575                 for ( ; i < len; i++ ) {
576                         if ( list[i] === elem ) {
577                                 return i;
578                         }
579                 }
580                 return -1;
581         },
582
583         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
584
585         // Regular expressions
586
587         // http://www.w3.org/TR/css3-selectors/#whitespace
588         whitespace = "[\\x20\\t\\r\\n\\f]",
589
590         // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
591         identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
592
593         // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
594         attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
595                 // Operator (capture 2)
596                 "*([*^$|!~]?=)" + whitespace +
597                 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
598                 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
599                 "*\\]",
600
601         pseudos = ":(" + identifier + ")(?:\\((" +
602                 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
603                 // 1. quoted (capture 3; capture 4 or capture 5)
604                 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
605                 // 2. simple (capture 6)
606                 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
607                 // 3. anything else (capture 2)
608                 ".*" +
609                 ")\\)|)",
610
611         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
612         rwhitespace = new RegExp( whitespace + "+", "g" ),
613         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
614
615         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
616         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
617         rdescend = new RegExp( whitespace + "|>" ),
618
619         rpseudo = new RegExp( pseudos ),
620         ridentifier = new RegExp( "^" + identifier + "$" ),
621
622         matchExpr = {
623                 "ID": new RegExp( "^#(" + identifier + ")" ),
624                 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
625                 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
626                 "ATTR": new RegExp( "^" + attributes ),
627                 "PSEUDO": new RegExp( "^" + pseudos ),
628                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
629                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
630                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
631                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
632                 // For use in libraries implementing .is()
633                 // We use this for POS matching in `select`
634                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
635                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
636         },
637
638         rhtml = /HTML$/i,
639         rinputs = /^(?:input|select|textarea|button)$/i,
640         rheader = /^h\d$/i,
641
642         rnative = /^[^{]+\{\s*\[native \w/,
643
644         // Easily-parseable/retrievable ID or TAG or CLASS selectors
645         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
646
647         rsibling = /[+~]/,
648
649         // CSS escapes
650         // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
651         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
652         funescape = function( _, escaped, escapedWhitespace ) {
653                 var high = "0x" + escaped - 0x10000;
654                 // NaN means non-codepoint
655                 // Support: Firefox<24
656                 // Workaround erroneous numeric interpretation of +"0x"
657                 return high !== high || escapedWhitespace ?
658                         escaped :
659                         high < 0 ?
660                                 // BMP codepoint
661                                 String.fromCharCode( high + 0x10000 ) :
662                                 // Supplemental Plane codepoint (surrogate pair)
663                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
664         },
665
666         // CSS string/identifier serialization
667         // https://drafts.csswg.org/cssom/#common-serializing-idioms
668         rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
669         fcssescape = function( ch, asCodePoint ) {
670                 if ( asCodePoint ) {
671
672                         // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
673                         if ( ch === "\0" ) {
674                                 return "\uFFFD";
675                         }
676
677                         // Control characters and (dependent upon position) numbers get escaped as code points
678                         return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
679                 }
680
681                 // Other potentially-special ASCII characters get backslash-escaped
682                 return "\\" + ch;
683         },
684
685         // Used for iframes
686         // See setDocument()
687         // Removing the function wrapper causes a "Permission Denied"
688         // error in IE
689         unloadHandler = function() {
690                 setDocument();
691         },
692
693         inDisabledFieldset = addCombinator(
694                 function( elem ) {
695                         return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
696                 },
697                 { dir: "parentNode", next: "legend" }
698         );
699
700 // Optimize for push.apply( _, NodeList )
701 try {
702         push.apply(
703                 (arr = slice.call( preferredDoc.childNodes )),
704                 preferredDoc.childNodes
705         );
706         // Support: Android<4.0
707         // Detect silently failing push.apply
708         arr[ preferredDoc.childNodes.length ].nodeType;
709 } catch ( e ) {
710         push = { apply: arr.length ?
711
712                 // Leverage slice if possible
713                 function( target, els ) {
714                         push_native.apply( target, slice.call(els) );
715                 } :
716
717                 // Support: IE<9
718                 // Otherwise append directly
719                 function( target, els ) {
720                         var j = target.length,
721                                 i = 0;
722                         // Can't trust NodeList.length
723                         while ( (target[j++] = els[i++]) ) {}
724                         target.length = j - 1;
725                 }
726         };
727 }
728
729 function Sizzle( selector, context, results, seed ) {
730         var m, i, elem, nid, match, groups, newSelector,
731                 newContext = context && context.ownerDocument,
732
733                 // nodeType defaults to 9, since context defaults to document
734                 nodeType = context ? context.nodeType : 9;
735
736         results = results || [];
737
738         // Return early from calls with invalid selector or context
739         if ( typeof selector !== "string" || !selector ||
740                 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
741
742                 return results;
743         }
744
745         // Try to shortcut find operations (as opposed to filters) in HTML documents
746         if ( !seed ) {
747
748                 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
749                         setDocument( context );
750                 }
751                 context = context || document;
752
753                 if ( documentIsHTML ) {
754
755                         // If the selector is sufficiently simple, try using a "get*By*" DOM method
756                         // (excepting DocumentFragment context, where the methods don't exist)
757                         if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
758
759                                 // ID selector
760                                 if ( (m = match[1]) ) {
761
762                                         // Document context
763                                         if ( nodeType === 9 ) {
764                                                 if ( (elem = context.getElementById( m )) ) {
765
766                                                         // Support: IE, Opera, Webkit
767                                                         // TODO: identify versions
768                                                         // getElementById can match elements by name instead of ID
769                                                         if ( elem.id === m ) {
770                                                                 results.push( elem );
771                                                                 return results;
772                                                         }
773                                                 } else {
774                                                         return results;
775                                                 }
776
777                                         // Element context
778                                         } else {
779
780                                                 // Support: IE, Opera, Webkit
781                                                 // TODO: identify versions
782                                                 // getElementById can match elements by name instead of ID
783                                                 if ( newContext && (elem = newContext.getElementById( m )) &&
784                                                         contains( context, elem ) &&
785                                                         elem.id === m ) {
786
787                                                         results.push( elem );
788                                                         return results;
789                                                 }
790                                         }
791
792                                 // Type selector
793                                 } else if ( match[2] ) {
794                                         push.apply( results, context.getElementsByTagName( selector ) );
795                                         return results;
796
797                                 // Class selector
798                                 } else if ( (m = match[3]) && support.getElementsByClassName &&
799                                         context.getElementsByClassName ) {
800
801                                         push.apply( results, context.getElementsByClassName( m ) );
802                                         return results;
803                                 }
804                         }
805
806                         // Take advantage of querySelectorAll
807                         if ( support.qsa &&
808                                 !nonnativeSelectorCache[ selector + " " ] &&
809                                 (!rbuggyQSA || !rbuggyQSA.test( selector )) &&
810
811                                 // Support: IE 8 only
812                                 // Exclude object elements
813                                 (nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {
814
815                                 newSelector = selector;
816                                 newContext = context;
817
818                                 // qSA considers elements outside a scoping root when evaluating child or
819                                 // descendant combinators, which is not what we want.
820                                 // In such cases, we work around the behavior by prefixing every selector in the
821                                 // list with an ID selector referencing the scope context.
822                                 // Thanks to Andrew Dupont for this technique.
823                                 if ( nodeType === 1 && rdescend.test( selector ) ) {
824
825                                         // Capture the context ID, setting it first if necessary
826                                         if ( (nid = context.getAttribute( "id" )) ) {
827                                                 nid = nid.replace( rcssescape, fcssescape );
828                                         } else {
829                                                 context.setAttribute( "id", (nid = expando) );
830                                         }
831
832                                         // Prefix every selector in the list
833                                         groups = tokenize( selector );
834                                         i = groups.length;
835                                         while ( i-- ) {
836                                                 groups[i] = "#" + nid + " " + toSelector( groups[i] );
837                                         }
838                                         newSelector = groups.join( "," );
839
840                                         // Expand context for sibling selectors
841                                         newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
842                                                 context;
843                                 }
844
845                                 try {
846                                         push.apply( results,
847                                                 newContext.querySelectorAll( newSelector )
848                                         );
849                                         return results;
850                                 } catch ( qsaError ) {
851                                         nonnativeSelectorCache( selector, true );
852                                 } finally {
853                                         if ( nid === expando ) {
854                                                 context.removeAttribute( "id" );
855                                         }
856                                 }
857                         }
858                 }
859         }
860
861         // All others
862         return select( selector.replace( rtrim, "$1" ), context, results, seed );
863 }
864
865 /**
866  * Create key-value caches of limited size
867  * @returns {function(string, object)} Returns the Object data after storing it on itself with
868  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
869  *      deleting the oldest entry
870  */
871 function createCache() {
872         var keys = [];
873
874         function cache( key, value ) {
875                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
876                 if ( keys.push( key + " " ) > Expr.cacheLength ) {
877                         // Only keep the most recent entries
878                         delete cache[ keys.shift() ];
879                 }
880                 return (cache[ key + " " ] = value);
881         }
882         return cache;
883 }
884
885 /**
886  * Mark a function for special use by Sizzle
887  * @param {Function} fn The function to mark
888  */
889 function markFunction( fn ) {
890         fn[ expando ] = true;
891         return fn;
892 }
893
894 /**
895  * Support testing using an element
896  * @param {Function} fn Passed the created element and returns a boolean result
897  */
898 function assert( fn ) {
899         var el = document.createElement("fieldset");
900
901         try {
902                 return !!fn( el );
903         } catch (e) {
904                 return false;
905         } finally {
906                 // Remove from its parent by default
907                 if ( el.parentNode ) {
908                         el.parentNode.removeChild( el );
909                 }
910                 // release memory in IE
911                 el = null;
912         }
913 }
914
915 /**
916  * Adds the same handler for all of the specified attrs
917  * @param {String} attrs Pipe-separated list of attributes
918  * @param {Function} handler The method that will be applied
919  */
920 function addHandle( attrs, handler ) {
921         var arr = attrs.split("|"),
922                 i = arr.length;
923
924         while ( i-- ) {
925                 Expr.attrHandle[ arr[i] ] = handler;
926         }
927 }
928
929 /**
930  * Checks document order of two siblings
931  * @param {Element} a
932  * @param {Element} b
933  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
934  */
935 function siblingCheck( a, b ) {
936         var cur = b && a,
937                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
938                         a.sourceIndex - b.sourceIndex;
939
940         // Use IE sourceIndex if available on both nodes
941         if ( diff ) {
942                 return diff;
943         }
944
945         // Check if b follows a
946         if ( cur ) {
947                 while ( (cur = cur.nextSibling) ) {
948                         if ( cur === b ) {
949                                 return -1;
950                         }
951                 }
952         }
953
954         return a ? 1 : -1;
955 }
956
957 /**
958  * Returns a function to use in pseudos for input types
959  * @param {String} type
960  */
961 function createInputPseudo( type ) {
962         return function( elem ) {
963                 var name = elem.nodeName.toLowerCase();
964                 return name === "input" && elem.type === type;
965         };
966 }
967
968 /**
969  * Returns a function to use in pseudos for buttons
970  * @param {String} type
971  */
972 function createButtonPseudo( type ) {
973         return function( elem ) {
974                 var name = elem.nodeName.toLowerCase();
975                 return (name === "input" || name === "button") && elem.type === type;
976         };
977 }
978
979 /**
980  * Returns a function to use in pseudos for :enabled/:disabled
981  * @param {Boolean} disabled true for :disabled; false for :enabled
982  */
983 function createDisabledPseudo( disabled ) {
984
985         // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
986         return function( elem ) {
987
988                 // Only certain elements can match :enabled or :disabled
989                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
990                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
991                 if ( "form" in elem ) {
992
993                         // Check for inherited disabledness on relevant non-disabled elements:
994                         // * listed form-associated elements in a disabled fieldset
995                         //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
996                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
997                         // * option elements in a disabled optgroup
998                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
999                         // All such elements have a "form" property.
1000                         if ( elem.parentNode && elem.disabled === false ) {
1001
1002                                 // Option elements defer to a parent optgroup if present
1003                                 if ( "label" in elem ) {
1004                                         if ( "label" in elem.parentNode ) {
1005                                                 return elem.parentNode.disabled === disabled;
1006                                         } else {
1007                                                 return elem.disabled === disabled;
1008                                         }
1009                                 }
1010
1011                                 // Support: IE 6 - 11
1012                                 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1013                                 return elem.isDisabled === disabled ||
1014
1015                                         // Where there is no isDisabled, check manually
1016                                         /* jshint -W018 */
1017                                         elem.isDisabled !== !disabled &&
1018                                                 inDisabledFieldset( elem ) === disabled;
1019                         }
1020
1021                         return elem.disabled === disabled;
1022
1023                 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1024                 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1025                 // even exist on them, let alone have a boolean value.
1026                 } else if ( "label" in elem ) {
1027                         return elem.disabled === disabled;
1028                 }
1029
1030                 // Remaining elements are neither :enabled nor :disabled
1031                 return false;
1032         };
1033 }
1034
1035 /**
1036  * Returns a function to use in pseudos for positionals
1037  * @param {Function} fn
1038  */
1039 function createPositionalPseudo( fn ) {
1040         return markFunction(function( argument ) {
1041                 argument = +argument;
1042                 return markFunction(function( seed, matches ) {
1043                         var j,
1044                                 matchIndexes = fn( [], seed.length, argument ),
1045                                 i = matchIndexes.length;
1046
1047                         // Match elements found at the specified indexes
1048                         while ( i-- ) {
1049                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1050                                         seed[j] = !(matches[j] = seed[j]);
1051                                 }
1052                         }
1053                 });
1054         });
1055 }
1056
1057 /**
1058  * Checks a node for validity as a Sizzle context
1059  * @param {Element|Object=} context
1060  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1061  */
1062 function testContext( context ) {
1063         return context && typeof context.getElementsByTagName !== "undefined" && context;
1064 }
1065
1066 // Expose support vars for convenience
1067 support = Sizzle.support = {};
1068
1069 /**
1070  * Detects XML nodes
1071  * @param {Element|Object} elem An element or a document
1072  * @returns {Boolean} True iff elem is a non-HTML XML node
1073  */
1074 isXML = Sizzle.isXML = function( elem ) {
1075         var namespace = elem.namespaceURI,
1076                 docElem = (elem.ownerDocument || elem).documentElement;
1077
1078         // Support: IE <=8
1079         // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1080         // https://bugs.jquery.com/ticket/4833
1081         return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1082 };
1083
1084 /**
1085  * Sets document-related variables once based on the current document
1086  * @param {Element|Object} [doc] An element or document object to use to set the document
1087  * @returns {Object} Returns the current document
1088  */
1089 setDocument = Sizzle.setDocument = function( node ) {
1090         var hasCompare, subWindow,
1091                 doc = node ? node.ownerDocument || node : preferredDoc;
1092
1093         // Return early if doc is invalid or already selected
1094         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1095                 return document;
1096         }
1097
1098         // Update global variables
1099         document = doc;
1100         docElem = document.documentElement;
1101         documentIsHTML = !isXML( document );
1102
1103         // Support: IE 9-11, Edge
1104         // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1105         if ( preferredDoc !== document &&
1106                 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1107
1108                 // Support: IE 11, Edge
1109                 if ( subWindow.addEventListener ) {
1110                         subWindow.addEventListener( "unload", unloadHandler, false );
1111
1112                 // Support: IE 9 - 10 only
1113                 } else if ( subWindow.attachEvent ) {
1114                         subWindow.attachEvent( "onunload", unloadHandler );
1115                 }
1116         }
1117
1118         /* Attributes
1119         ---------------------------------------------------------------------- */
1120
1121         // Support: IE<8
1122         // Verify that getAttribute really returns attributes and not properties
1123         // (excepting IE8 booleans)
1124         support.attributes = assert(function( el ) {
1125                 el.className = "i";
1126                 return !el.getAttribute("className");
1127         });
1128
1129         /* getElement(s)By*
1130         ---------------------------------------------------------------------- */
1131
1132         // Check if getElementsByTagName("*") returns only elements
1133         support.getElementsByTagName = assert(function( el ) {
1134                 el.appendChild( document.createComment("") );
1135                 return !el.getElementsByTagName("*").length;
1136         });
1137
1138         // Support: IE<9
1139         support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1140
1141         // Support: IE<10
1142         // Check if getElementById returns elements by name
1143         // The broken getElementById methods don't pick up programmatically-set names,
1144         // so use a roundabout getElementsByName test
1145         support.getById = assert(function( el ) {
1146                 docElem.appendChild( el ).id = expando;
1147                 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1148         });
1149
1150         // ID filter and find
1151         if ( support.getById ) {
1152                 Expr.filter["ID"] = function( id ) {
1153                         var attrId = id.replace( runescape, funescape );
1154                         return function( elem ) {
1155                                 return elem.getAttribute("id") === attrId;
1156                         };
1157                 };
1158                 Expr.find["ID"] = function( id, context ) {
1159                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1160                                 var elem = context.getElementById( id );
1161                                 return elem ? [ elem ] : [];
1162                         }
1163                 };
1164         } else {
1165                 Expr.filter["ID"] =  function( id ) {
1166                         var attrId = id.replace( runescape, funescape );
1167                         return function( elem ) {
1168                                 var node = typeof elem.getAttributeNode !== "undefined" &&
1169                                         elem.getAttributeNode("id");
1170                                 return node && node.value === attrId;
1171                         };
1172                 };
1173
1174                 // Support: IE 6 - 7 only
1175                 // getElementById is not reliable as a find shortcut
1176                 Expr.find["ID"] = function( id, context ) {
1177                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1178                                 var node, i, elems,
1179                                         elem = context.getElementById( id );
1180
1181                                 if ( elem ) {
1182
1183                                         // Verify the id attribute
1184                                         node = elem.getAttributeNode("id");
1185                                         if ( node && node.value === id ) {
1186                                                 return [ elem ];
1187                                         }
1188
1189                                         // Fall back on getElementsByName
1190                                         elems = context.getElementsByName( id );
1191                                         i = 0;
1192                                         while ( (elem = elems[i++]) ) {
1193                                                 node = elem.getAttributeNode("id");
1194                                                 if ( node && node.value === id ) {
1195                                                         return [ elem ];
1196                                                 }
1197                                         }
1198                                 }
1199
1200                                 return [];
1201                         }
1202                 };
1203         }
1204
1205         // Tag
1206         Expr.find["TAG"] = support.getElementsByTagName ?
1207                 function( tag, context ) {
1208                         if ( typeof context.getElementsByTagName !== "undefined" ) {
1209                                 return context.getElementsByTagName( tag );
1210
1211                         // DocumentFragment nodes don't have gEBTN
1212                         } else if ( support.qsa ) {
1213                                 return context.querySelectorAll( tag );
1214                         }
1215                 } :
1216
1217                 function( tag, context ) {
1218                         var elem,
1219                                 tmp = [],
1220                                 i = 0,
1221                                 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1222                                 results = context.getElementsByTagName( tag );
1223
1224                         // Filter out possible comments
1225                         if ( tag === "*" ) {
1226                                 while ( (elem = results[i++]) ) {
1227                                         if ( elem.nodeType === 1 ) {
1228                                                 tmp.push( elem );
1229                                         }
1230                                 }
1231
1232                                 return tmp;
1233                         }
1234                         return results;
1235                 };
1236
1237         // Class
1238         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1239                 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1240                         return context.getElementsByClassName( className );
1241                 }
1242         };
1243
1244         /* QSA/matchesSelector
1245         ---------------------------------------------------------------------- */
1246
1247         // QSA and matchesSelector support
1248
1249         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1250         rbuggyMatches = [];
1251
1252         // qSa(:focus) reports false when true (Chrome 21)
1253         // We allow this because of a bug in IE8/9 that throws an error
1254         // whenever `document.activeElement` is accessed on an iframe
1255         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1256         // See https://bugs.jquery.com/ticket/13378
1257         rbuggyQSA = [];
1258
1259         if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1260                 // Build QSA regex
1261                 // Regex strategy adopted from Diego Perini
1262                 assert(function( el ) {
1263                         // Select is set to empty string on purpose
1264                         // This is to test IE's treatment of not explicitly
1265                         // setting a boolean content attribute,
1266                         // since its presence should be enough
1267                         // https://bugs.jquery.com/ticket/12359
1268                         docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1269                                 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1270                                 "<option selected=''></option></select>";
1271
1272                         // Support: IE8, Opera 11-12.16
1273                         // Nothing should be selected when empty strings follow ^= or $= or *=
1274                         // The test attribute must be unknown in Opera but "safe" for WinRT
1275                         // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1276                         if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1277                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1278                         }
1279
1280                         // Support: IE8
1281                         // Boolean attributes and "value" are not treated correctly
1282                         if ( !el.querySelectorAll("[selected]").length ) {
1283                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1284                         }
1285
1286                         // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1287                         if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1288                                 rbuggyQSA.push("~=");
1289                         }
1290
1291                         // Webkit/Opera - :checked should return selected option elements
1292                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1293                         // IE8 throws error here and will not see later tests
1294                         if ( !el.querySelectorAll(":checked").length ) {
1295                                 rbuggyQSA.push(":checked");
1296                         }
1297
1298                         // Support: Safari 8+, iOS 8+
1299                         // https://bugs.webkit.org/show_bug.cgi?id=136851
1300                         // In-page `selector#id sibling-combinator selector` fails
1301                         if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1302                                 rbuggyQSA.push(".#.+[+~]");
1303                         }
1304                 });
1305
1306                 assert(function( el ) {
1307                         el.innerHTML = "<a href='' disabled='disabled'></a>" +
1308                                 "<select disabled='disabled'><option/></select>";
1309
1310                         // Support: Windows 8 Native Apps
1311                         // The type and name attributes are restricted during .innerHTML assignment
1312                         var input = document.createElement("input");
1313                         input.setAttribute( "type", "hidden" );
1314                         el.appendChild( input ).setAttribute( "name", "D" );
1315
1316                         // Support: IE8
1317                         // Enforce case-sensitivity of name attribute
1318                         if ( el.querySelectorAll("[name=d]").length ) {
1319                                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1320                         }
1321
1322                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1323                         // IE8 throws error here and will not see later tests
1324                         if ( el.querySelectorAll(":enabled").length !== 2 ) {
1325                                 rbuggyQSA.push( ":enabled", ":disabled" );
1326                         }
1327
1328                         // Support: IE9-11+
1329                         // IE's :disabled selector does not pick up the children of disabled fieldsets
1330                         docElem.appendChild( el ).disabled = true;
1331                         if ( el.querySelectorAll(":disabled").length !== 2 ) {
1332                                 rbuggyQSA.push( ":enabled", ":disabled" );
1333                         }
1334
1335                         // Opera 10-11 does not throw on post-comma invalid pseudos
1336                         el.querySelectorAll("*,:x");
1337                         rbuggyQSA.push(",.*:");
1338                 });
1339         }
1340
1341         if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1342                 docElem.webkitMatchesSelector ||
1343                 docElem.mozMatchesSelector ||
1344                 docElem.oMatchesSelector ||
1345                 docElem.msMatchesSelector) )) ) {
1346
1347                 assert(function( el ) {
1348                         // Check to see if it's possible to do matchesSelector
1349                         // on a disconnected node (IE 9)
1350                         support.disconnectedMatch = matches.call( el, "*" );
1351
1352                         // This should fail with an exception
1353                         // Gecko does not error, returns false instead
1354                         matches.call( el, "[s!='']:x" );
1355                         rbuggyMatches.push( "!=", pseudos );
1356                 });
1357         }
1358
1359         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1360         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1361
1362         /* Contains
1363         ---------------------------------------------------------------------- */
1364         hasCompare = rnative.test( docElem.compareDocumentPosition );
1365
1366         // Element contains another
1367         // Purposefully self-exclusive
1368         // As in, an element does not contain itself
1369         contains = hasCompare || rnative.test( docElem.contains ) ?
1370                 function( a, b ) {
1371                         var adown = a.nodeType === 9 ? a.documentElement : a,
1372                                 bup = b && b.parentNode;
1373                         return a === bup || !!( bup && bup.nodeType === 1 && (
1374                                 adown.contains ?
1375                                         adown.contains( bup ) :
1376                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1377                         ));
1378                 } :
1379                 function( a, b ) {
1380                         if ( b ) {
1381                                 while ( (b = b.parentNode) ) {
1382                                         if ( b === a ) {
1383                                                 return true;
1384                                         }
1385                                 }
1386                         }
1387                         return false;
1388                 };
1389
1390         /* Sorting
1391         ---------------------------------------------------------------------- */
1392
1393         // Document order sorting
1394         sortOrder = hasCompare ?
1395         function( a, b ) {
1396
1397                 // Flag for duplicate removal
1398                 if ( a === b ) {
1399                         hasDuplicate = true;
1400                         return 0;
1401                 }
1402
1403                 // Sort on method existence if only one input has compareDocumentPosition
1404                 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1405                 if ( compare ) {
1406                         return compare;
1407                 }
1408
1409                 // Calculate position if both inputs belong to the same document
1410                 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1411                         a.compareDocumentPosition( b ) :
1412
1413                         // Otherwise we know they are disconnected
1414                         1;
1415
1416                 // Disconnected nodes
1417                 if ( compare & 1 ||
1418                         (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1419
1420                         // Choose the first element that is related to our preferred document
1421                         if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1422                                 return -1;
1423                         }
1424                         if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1425                                 return 1;
1426                         }
1427
1428                         // Maintain original order
1429                         return sortInput ?
1430                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1431                                 0;
1432                 }
1433
1434                 return compare & 4 ? -1 : 1;
1435         } :
1436         function( a, b ) {
1437                 // Exit early if the nodes are identical
1438                 if ( a === b ) {
1439                         hasDuplicate = true;
1440                         return 0;
1441                 }
1442
1443                 var cur,
1444                         i = 0,
1445                         aup = a.parentNode,
1446                         bup = b.parentNode,
1447                         ap = [ a ],
1448                         bp = [ b ];
1449
1450                 // Parentless nodes are either documents or disconnected
1451                 if ( !aup || !bup ) {
1452                         return a === document ? -1 :
1453                                 b === document ? 1 :
1454                                 aup ? -1 :
1455                                 bup ? 1 :
1456                                 sortInput ?
1457                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1458                                 0;
1459
1460                 // If the nodes are siblings, we can do a quick check
1461                 } else if ( aup === bup ) {
1462                         return siblingCheck( a, b );
1463                 }
1464
1465                 // Otherwise we need full lists of their ancestors for comparison
1466                 cur = a;
1467                 while ( (cur = cur.parentNode) ) {
1468                         ap.unshift( cur );
1469                 }
1470                 cur = b;
1471                 while ( (cur = cur.parentNode) ) {
1472                         bp.unshift( cur );
1473                 }
1474
1475                 // Walk down the tree looking for a discrepancy
1476                 while ( ap[i] === bp[i] ) {
1477                         i++;
1478                 }
1479
1480                 return i ?
1481                         // Do a sibling check if the nodes have a common ancestor
1482                         siblingCheck( ap[i], bp[i] ) :
1483
1484                         // Otherwise nodes in our document sort first
1485                         ap[i] === preferredDoc ? -1 :
1486                         bp[i] === preferredDoc ? 1 :
1487                         0;
1488         };
1489
1490         return document;
1491 };
1492
1493 Sizzle.matches = function( expr, elements ) {
1494         return Sizzle( expr, null, null, elements );
1495 };
1496
1497 Sizzle.matchesSelector = function( elem, expr ) {
1498         // Set document vars if needed
1499         if ( ( elem.ownerDocument || elem ) !== document ) {
1500                 setDocument( elem );
1501         }
1502
1503         if ( support.matchesSelector && documentIsHTML &&
1504                 !nonnativeSelectorCache[ expr + " " ] &&
1505                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1506                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1507
1508                 try {
1509                         var ret = matches.call( elem, expr );
1510
1511                         // IE 9's matchesSelector returns false on disconnected nodes
1512                         if ( ret || support.disconnectedMatch ||
1513                                         // As well, disconnected nodes are said to be in a document
1514                                         // fragment in IE 9
1515                                         elem.document && elem.document.nodeType !== 11 ) {
1516                                 return ret;
1517                         }
1518                 } catch (e) {
1519                         nonnativeSelectorCache( expr, true );
1520                 }
1521         }
1522
1523         return Sizzle( expr, document, null, [ elem ] ).length > 0;
1524 };
1525
1526 Sizzle.contains = function( context, elem ) {
1527         // Set document vars if needed
1528         if ( ( context.ownerDocument || context ) !== document ) {
1529                 setDocument( context );
1530         }
1531         return contains( context, elem );
1532 };
1533
1534 Sizzle.attr = function( elem, name ) {
1535         // Set document vars if needed
1536         if ( ( elem.ownerDocument || elem ) !== document ) {
1537                 setDocument( elem );
1538         }
1539
1540         var fn = Expr.attrHandle[ name.toLowerCase() ],
1541                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1542                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1543                         fn( elem, name, !documentIsHTML ) :
1544                         undefined;
1545
1546         return val !== undefined ?
1547                 val :
1548                 support.attributes || !documentIsHTML ?
1549                         elem.getAttribute( name ) :
1550                         (val = elem.getAttributeNode(name)) && val.specified ?
1551                                 val.value :
1552                                 null;
1553 };
1554
1555 Sizzle.escape = function( sel ) {
1556         return (sel + "").replace( rcssescape, fcssescape );
1557 };
1558
1559 Sizzle.error = function( msg ) {
1560         throw new Error( "Syntax error, unrecognized expression: " + msg );
1561 };
1562
1563 /**
1564  * Document sorting and removing duplicates
1565  * @param {ArrayLike} results
1566  */
1567 Sizzle.uniqueSort = function( results ) {
1568         var elem,
1569                 duplicates = [],
1570                 j = 0,
1571                 i = 0;
1572
1573         // Unless we *know* we can detect duplicates, assume their presence
1574         hasDuplicate = !support.detectDuplicates;
1575         sortInput = !support.sortStable && results.slice( 0 );
1576         results.sort( sortOrder );
1577
1578         if ( hasDuplicate ) {
1579                 while ( (elem = results[i++]) ) {
1580                         if ( elem === results[ i ] ) {
1581                                 j = duplicates.push( i );
1582                         }
1583                 }
1584                 while ( j-- ) {
1585                         results.splice( duplicates[ j ], 1 );
1586                 }
1587         }
1588
1589         // Clear input after sorting to release objects
1590         // See https://github.com/jquery/sizzle/pull/225
1591         sortInput = null;
1592
1593         return results;
1594 };
1595
1596 /**
1597  * Utility function for retrieving the text value of an array of DOM nodes
1598  * @param {Array|Element} elem
1599  */
1600 getText = Sizzle.getText = function( elem ) {
1601         var node,
1602                 ret = "",
1603                 i = 0,
1604                 nodeType = elem.nodeType;
1605
1606         if ( !nodeType ) {
1607                 // If no nodeType, this is expected to be an array
1608                 while ( (node = elem[i++]) ) {
1609                         // Do not traverse comment nodes
1610                         ret += getText( node );
1611                 }
1612         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1613                 // Use textContent for elements
1614                 // innerText usage removed for consistency of new lines (jQuery #11153)
1615                 if ( typeof elem.textContent === "string" ) {
1616                         return elem.textContent;
1617                 } else {
1618                         // Traverse its children
1619                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1620                                 ret += getText( elem );
1621                         }
1622                 }
1623         } else if ( nodeType === 3 || nodeType === 4 ) {
1624                 return elem.nodeValue;
1625         }
1626         // Do not include comment or processing instruction nodes
1627
1628         return ret;
1629 };
1630
1631 Expr = Sizzle.selectors = {
1632
1633         // Can be adjusted by the user
1634         cacheLength: 50,
1635
1636         createPseudo: markFunction,
1637
1638         match: matchExpr,
1639
1640         attrHandle: {},
1641
1642         find: {},
1643
1644         relative: {
1645                 ">": { dir: "parentNode", first: true },
1646                 " ": { dir: "parentNode" },
1647                 "+": { dir: "previousSibling", first: true },
1648                 "~": { dir: "previousSibling" }
1649         },
1650
1651         preFilter: {
1652                 "ATTR": function( match ) {
1653                         match[1] = match[1].replace( runescape, funescape );
1654
1655                         // Move the given value to match[3] whether quoted or unquoted
1656                         match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1657
1658                         if ( match[2] === "~=" ) {
1659                                 match[3] = " " + match[3] + " ";
1660                         }
1661
1662                         return match.slice( 0, 4 );
1663                 },
1664
1665                 "CHILD": function( match ) {
1666                         /* matches from matchExpr["CHILD"]
1667                                 1 type (only|nth|...)
1668                                 2 what (child|of-type)
1669                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1670                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1671                                 5 sign of xn-component
1672                                 6 x of xn-component
1673                                 7 sign of y-component
1674                                 8 y of y-component
1675                         */
1676                         match[1] = match[1].toLowerCase();
1677
1678                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1679                                 // nth-* requires argument
1680                                 if ( !match[3] ) {
1681                                         Sizzle.error( match[0] );
1682                                 }
1683
1684                                 // numeric x and y parameters for Expr.filter.CHILD
1685                                 // remember that false/true cast respectively to 0/1
1686                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1687                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1688
1689                         // other types prohibit arguments
1690                         } else if ( match[3] ) {
1691                                 Sizzle.error( match[0] );
1692                         }
1693
1694                         return match;
1695                 },
1696
1697                 "PSEUDO": function( match ) {
1698                         var excess,
1699                                 unquoted = !match[6] && match[2];
1700
1701                         if ( matchExpr["CHILD"].test( match[0] ) ) {
1702                                 return null;
1703                         }
1704
1705                         // Accept quoted arguments as-is
1706                         if ( match[3] ) {
1707                                 match[2] = match[4] || match[5] || "";
1708
1709                         // Strip excess characters from unquoted arguments
1710                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1711                                 // Get excess from tokenize (recursively)
1712                                 (excess = tokenize( unquoted, true )) &&
1713                                 // advance to the next closing parenthesis
1714                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1715
1716                                 // excess is a negative index
1717                                 match[0] = match[0].slice( 0, excess );
1718                                 match[2] = unquoted.slice( 0, excess );
1719                         }
1720
1721                         // Return only captures needed by the pseudo filter method (type and argument)
1722                         return match.slice( 0, 3 );
1723                 }
1724         },
1725
1726         filter: {
1727
1728                 "TAG": function( nodeNameSelector ) {
1729                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1730                         return nodeNameSelector === "*" ?
1731                                 function() { return true; } :
1732                                 function( elem ) {
1733                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1734                                 };
1735                 },
1736
1737                 "CLASS": function( className ) {
1738                         var pattern = classCache[ className + " " ];
1739
1740                         return pattern ||
1741                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1742                                 classCache( className, function( elem ) {
1743                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1744                                 });
1745                 },
1746
1747                 "ATTR": function( name, operator, check ) {
1748                         return function( elem ) {
1749                                 var result = Sizzle.attr( elem, name );
1750
1751                                 if ( result == null ) {
1752                                         return operator === "!=";
1753                                 }
1754                                 if ( !operator ) {
1755                                         return true;
1756                                 }
1757
1758                                 result += "";
1759
1760                                 return operator === "=" ? result === check :
1761                                         operator === "!=" ? result !== check :
1762                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
1763                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
1764                                         operator === "$=" ? check && result.slice( -check.length ) === check :
1765                                         operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1766                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1767                                         false;
1768                         };
1769                 },
1770
1771                 "CHILD": function( type, what, argument, first, last ) {
1772                         var simple = type.slice( 0, 3 ) !== "nth",
1773                                 forward = type.slice( -4 ) !== "last",
1774                                 ofType = what === "of-type";
1775
1776                         return first === 1 && last === 0 ?
1777
1778                                 // Shortcut for :nth-*(n)
1779                                 function( elem ) {
1780                                         return !!elem.parentNode;
1781                                 } :
1782
1783                                 function( elem, context, xml ) {
1784                                         var cache, uniqueCache, outerCache, node, nodeIndex, start,
1785                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
1786                                                 parent = elem.parentNode,
1787                                                 name = ofType && elem.nodeName.toLowerCase(),
1788                                                 useCache = !xml && !ofType,
1789                                                 diff = false;
1790
1791                                         if ( parent ) {
1792
1793                                                 // :(first|last|only)-(child|of-type)
1794                                                 if ( simple ) {
1795                                                         while ( dir ) {
1796                                                                 node = elem;
1797                                                                 while ( (node = node[ dir ]) ) {
1798                                                                         if ( ofType ?
1799                                                                                 node.nodeName.toLowerCase() === name :
1800                                                                                 node.nodeType === 1 ) {
1801
1802                                                                                 return false;
1803                                                                         }
1804                                                                 }
1805                                                                 // Reverse direction for :only-* (if we haven't yet done so)
1806                                                                 start = dir = type === "only" && !start && "nextSibling";
1807                                                         }
1808                                                         return true;
1809                                                 }
1810
1811                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
1812
1813                                                 // non-xml :nth-child(...) stores cache data on `parent`
1814                                                 if ( forward && useCache ) {
1815
1816                                                         // Seek `elem` from a previously-cached index
1817
1818                                                         // ...in a gzip-friendly way
1819                                                         node = parent;
1820                                                         outerCache = node[ expando ] || (node[ expando ] = {});
1821
1822                                                         // Support: IE <9 only
1823                                                         // Defend against cloned attroperties (jQuery gh-1709)
1824                                                         uniqueCache = outerCache[ node.uniqueID ] ||
1825                                                                 (outerCache[ node.uniqueID ] = {});
1826
1827                                                         cache = uniqueCache[ type ] || [];
1828                                                         nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1829                                                         diff = nodeIndex && cache[ 2 ];
1830                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
1831
1832                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1833
1834                                                                 // Fallback to seeking `elem` from the start
1835                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1836
1837                                                                 // When found, cache indexes on `parent` and break
1838                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1839                                                                         uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1840                                                                         break;
1841                                                                 }
1842                                                         }
1843
1844                                                 } else {
1845                                                         // Use previously-cached element index if available
1846                                                         if ( useCache ) {
1847                                                                 // ...in a gzip-friendly way
1848                                                                 node = elem;
1849                                                                 outerCache = node[ expando ] || (node[ expando ] = {});
1850
1851                                                                 // Support: IE <9 only
1852                                                                 // Defend against cloned attroperties (jQuery gh-1709)
1853                                                                 uniqueCache = outerCache[ node.uniqueID ] ||
1854                                                                         (outerCache[ node.uniqueID ] = {});
1855
1856                                                                 cache = uniqueCache[ type ] || [];
1857                                                                 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1858                                                                 diff = nodeIndex;
1859                                                         }
1860
1861                                                         // xml :nth-child(...)
1862                                                         // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1863                                                         if ( diff === false ) {
1864                                                                 // Use the same loop as above to seek `elem` from the start
1865                                                                 while ( (node = ++nodeIndex && node && node[ dir ] ||
1866                                                                         (diff = nodeIndex = 0) || start.pop()) ) {
1867
1868                                                                         if ( ( ofType ?
1869                                                                                 node.nodeName.toLowerCase() === name :
1870                                                                                 node.nodeType === 1 ) &&
1871                                                                                 ++diff ) {
1872
1873                                                                                 // Cache the index of each encountered element
1874                                                                                 if ( useCache ) {
1875                                                                                         outerCache = node[ expando ] || (node[ expando ] = {});
1876
1877                                                                                         // Support: IE <9 only
1878                                                                                         // Defend against cloned attroperties (jQuery gh-1709)
1879                                                                                         uniqueCache = outerCache[ node.uniqueID ] ||
1880                                                                                                 (outerCache[ node.uniqueID ] = {});
1881
1882                                                                                         uniqueCache[ type ] = [ dirruns, diff ];
1883                                                                                 }
1884
1885                                                                                 if ( node === elem ) {
1886                                                                                         break;
1887                                                                                 }
1888                                                                         }
1889                                                                 }
1890                                                         }
1891                                                 }
1892
1893                                                 // Incorporate the offset, then check against cycle size
1894                                                 diff -= last;
1895                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1896                                         }
1897                                 };
1898                 },
1899
1900                 "PSEUDO": function( pseudo, argument ) {
1901                         // pseudo-class names are case-insensitive
1902                         // http://www.w3.org/TR/selectors/#pseudo-classes
1903                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1904                         // Remember that setFilters inherits from pseudos
1905                         var args,
1906                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1907                                         Sizzle.error( "unsupported pseudo: " + pseudo );
1908
1909                         // The user may use createPseudo to indicate that
1910                         // arguments are needed to create the filter function
1911                         // just as Sizzle does
1912                         if ( fn[ expando ] ) {
1913                                 return fn( argument );
1914                         }
1915
1916                         // But maintain support for old signatures
1917                         if ( fn.length > 1 ) {
1918                                 args = [ pseudo, pseudo, "", argument ];
1919                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1920                                         markFunction(function( seed, matches ) {
1921                                                 var idx,
1922                                                         matched = fn( seed, argument ),
1923                                                         i = matched.length;
1924                                                 while ( i-- ) {
1925                                                         idx = indexOf( seed, matched[i] );
1926                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
1927                                                 }
1928                                         }) :
1929                                         function( elem ) {
1930                                                 return fn( elem, 0, args );
1931                                         };
1932                         }
1933
1934                         return fn;
1935                 }
1936         },
1937
1938         pseudos: {
1939                 // Potentially complex pseudos
1940                 "not": markFunction(function( selector ) {
1941                         // Trim the selector passed to compile
1942                         // to avoid treating leading and trailing
1943                         // spaces as combinators
1944                         var input = [],
1945                                 results = [],
1946                                 matcher = compile( selector.replace( rtrim, "$1" ) );
1947
1948                         return matcher[ expando ] ?
1949                                 markFunction(function( seed, matches, context, xml ) {
1950                                         var elem,
1951                                                 unmatched = matcher( seed, null, xml, [] ),
1952                                                 i = seed.length;
1953
1954                                         // Match elements unmatched by `matcher`
1955                                         while ( i-- ) {
1956                                                 if ( (elem = unmatched[i]) ) {
1957                                                         seed[i] = !(matches[i] = elem);
1958                                                 }
1959                                         }
1960                                 }) :
1961                                 function( elem, context, xml ) {
1962                                         input[0] = elem;
1963                                         matcher( input, null, xml, results );
1964                                         // Don't keep the element (issue #299)
1965                                         input[0] = null;
1966                                         return !results.pop();
1967                                 };
1968                 }),
1969
1970                 "has": markFunction(function( selector ) {
1971                         return function( elem ) {
1972                                 return Sizzle( selector, elem ).length > 0;
1973                         };
1974                 }),
1975
1976                 "contains": markFunction(function( text ) {
1977                         text = text.replace( runescape, funescape );
1978                         return function( elem ) {
1979                                 return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
1980                         };
1981                 }),
1982
1983                 // "Whether an element is represented by a :lang() selector
1984                 // is based solely on the element's language value
1985                 // being equal to the identifier C,
1986                 // or beginning with the identifier C immediately followed by "-".
1987                 // The matching of C against the element's language value is performed case-insensitively.
1988                 // The identifier C does not have to be a valid language name."
1989                 // http://www.w3.org/TR/selectors/#lang-pseudo
1990                 "lang": markFunction( function( lang ) {
1991                         // lang value must be a valid identifier
1992                         if ( !ridentifier.test(lang || "") ) {
1993                                 Sizzle.error( "unsupported lang: " + lang );
1994                         }
1995                         lang = lang.replace( runescape, funescape ).toLowerCase();
1996                         return function( elem ) {
1997                                 var elemLang;
1998                                 do {
1999                                         if ( (elemLang = documentIsHTML ?
2000                                                 elem.lang :
2001                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2002
2003                                                 elemLang = elemLang.toLowerCase();
2004                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2005                                         }
2006                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2007                                 return false;
2008                         };
2009                 }),
2010
2011                 // Miscellaneous
2012                 "target": function( elem ) {
2013                         var hash = window.location && window.location.hash;
2014                         return hash && hash.slice( 1 ) === elem.id;
2015                 },
2016
2017                 "root": function( elem ) {
2018                         return elem === docElem;
2019                 },
2020
2021                 "focus": function( elem ) {
2022                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2023                 },
2024
2025                 // Boolean properties
2026                 "enabled": createDisabledPseudo( false ),
2027                 "disabled": createDisabledPseudo( true ),
2028
2029                 "checked": function( elem ) {
2030                         // In CSS3, :checked should return both checked and selected elements
2031                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2032                         var nodeName = elem.nodeName.toLowerCase();
2033                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2034                 },
2035
2036                 "selected": function( elem ) {
2037                         // Accessing this property makes selected-by-default
2038                         // options in Safari work properly
2039                         if ( elem.parentNode ) {
2040                                 elem.parentNode.selectedIndex;
2041                         }
2042
2043                         return elem.selected === true;
2044                 },
2045
2046                 // Contents
2047                 "empty": function( elem ) {
2048                         // http://www.w3.org/TR/selectors/#empty-pseudo
2049                         // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2050                         //   but not by others (comment: 8; processing instruction: 7; etc.)
2051                         // nodeType < 6 works because attributes (2) do not appear as children
2052                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2053                                 if ( elem.nodeType < 6 ) {
2054                                         return false;
2055                                 }
2056                         }
2057                         return true;
2058                 },
2059
2060                 "parent": function( elem ) {
2061                         return !Expr.pseudos["empty"]( elem );
2062                 },
2063
2064                 // Element/input types
2065                 "header": function( elem ) {
2066                         return rheader.test( elem.nodeName );
2067                 },
2068
2069                 "input": function( elem ) {
2070                         return rinputs.test( elem.nodeName );
2071                 },
2072
2073                 "button": function( elem ) {
2074                         var name = elem.nodeName.toLowerCase();
2075                         return name === "input" && elem.type === "button" || name === "button";
2076                 },
2077
2078                 "text": function( elem ) {
2079                         var attr;
2080                         return elem.nodeName.toLowerCase() === "input" &&
2081                                 elem.type === "text" &&
2082
2083                                 // Support: IE<8
2084                                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2085                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2086                 },
2087
2088                 // Position-in-collection
2089                 "first": createPositionalPseudo(function() {
2090                         return [ 0 ];
2091                 }),
2092
2093                 "last": createPositionalPseudo(function( matchIndexes, length ) {
2094                         return [ length - 1 ];
2095                 }),
2096
2097                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2098                         return [ argument < 0 ? argument + length : argument ];
2099                 }),
2100
2101                 "even": createPositionalPseudo(function( matchIndexes, length ) {
2102                         var i = 0;
2103                         for ( ; i < length; i += 2 ) {
2104                                 matchIndexes.push( i );
2105                         }
2106                         return matchIndexes;
2107                 }),
2108
2109                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2110                         var i = 1;
2111                         for ( ; i < length; i += 2 ) {
2112                                 matchIndexes.push( i );
2113                         }
2114                         return matchIndexes;
2115                 }),
2116
2117                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2118                         var i = argument < 0 ?
2119                                 argument + length :
2120                                 argument > length ?
2121                                         length :
2122                                         argument;
2123                         for ( ; --i >= 0; ) {
2124                                 matchIndexes.push( i );
2125                         }
2126                         return matchIndexes;
2127                 }),
2128
2129                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2130                         var i = argument < 0 ? argument + length : argument;
2131                         for ( ; ++i < length; ) {
2132                                 matchIndexes.push( i );
2133                         }
2134                         return matchIndexes;
2135                 })
2136         }
2137 };
2138
2139 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2140
2141 // Add button/input type pseudos
2142 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2143         Expr.pseudos[ i ] = createInputPseudo( i );
2144 }
2145 for ( i in { submit: true, reset: true } ) {
2146         Expr.pseudos[ i ] = createButtonPseudo( i );
2147 }
2148
2149 // Easy API for creating new setFilters
2150 function setFilters() {}
2151 setFilters.prototype = Expr.filters = Expr.pseudos;
2152 Expr.setFilters = new setFilters();
2153
2154 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2155         var matched, match, tokens, type,
2156                 soFar, groups, preFilters,
2157                 cached = tokenCache[ selector + " " ];
2158
2159         if ( cached ) {
2160                 return parseOnly ? 0 : cached.slice( 0 );
2161         }
2162
2163         soFar = selector;
2164         groups = [];
2165         preFilters = Expr.preFilter;
2166
2167         while ( soFar ) {
2168
2169                 // Comma and first run
2170                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2171                         if ( match ) {
2172                                 // Don't consume trailing commas as valid
2173                                 soFar = soFar.slice( match[0].length ) || soFar;
2174                         }
2175                         groups.push( (tokens = []) );
2176                 }
2177
2178                 matched = false;
2179
2180                 // Combinators
2181                 if ( (match = rcombinators.exec( soFar )) ) {
2182                         matched = match.shift();
2183                         tokens.push({
2184                                 value: matched,
2185                                 // Cast descendant combinators to space
2186                                 type: match[0].replace( rtrim, " " )
2187                         });
2188                         soFar = soFar.slice( matched.length );
2189                 }
2190
2191                 // Filters
2192                 for ( type in Expr.filter ) {
2193                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2194                                 (match = preFilters[ type ]( match ))) ) {
2195                                 matched = match.shift();
2196                                 tokens.push({
2197                                         value: matched,
2198                                         type: type,
2199                                         matches: match
2200                                 });
2201                                 soFar = soFar.slice( matched.length );
2202                         }
2203                 }
2204
2205                 if ( !matched ) {
2206                         break;
2207                 }
2208         }
2209
2210         // Return the length of the invalid excess
2211         // if we're just parsing
2212         // Otherwise, throw an error or return tokens
2213         return parseOnly ?
2214                 soFar.length :
2215                 soFar ?
2216                         Sizzle.error( selector ) :
2217                         // Cache the tokens
2218                         tokenCache( selector, groups ).slice( 0 );
2219 };
2220
2221 function toSelector( tokens ) {
2222         var i = 0,
2223                 len = tokens.length,
2224                 selector = "";
2225         for ( ; i < len; i++ ) {
2226                 selector += tokens[i].value;
2227         }
2228         return selector;
2229 }
2230
2231 function addCombinator( matcher, combinator, base ) {
2232         var dir = combinator.dir,
2233                 skip = combinator.next,
2234                 key = skip || dir,
2235                 checkNonElements = base && key === "parentNode",
2236                 doneName = done++;
2237
2238         return combinator.first ?
2239                 // Check against closest ancestor/preceding element
2240                 function( elem, context, xml ) {
2241                         while ( (elem = elem[ dir ]) ) {
2242                                 if ( elem.nodeType === 1 || checkNonElements ) {
2243                                         return matcher( elem, context, xml );
2244                                 }
2245                         }
2246                         return false;
2247                 } :
2248
2249                 // Check against all ancestor/preceding elements
2250                 function( elem, context, xml ) {
2251                         var oldCache, uniqueCache, outerCache,
2252                                 newCache = [ dirruns, doneName ];
2253
2254                         // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2255                         if ( xml ) {
2256                                 while ( (elem = elem[ dir ]) ) {
2257                                         if ( elem.nodeType === 1 || checkNonElements ) {
2258                                                 if ( matcher( elem, context, xml ) ) {
2259                                                         return true;
2260                                                 }
2261                                         }
2262                                 }
2263                         } else {
2264                                 while ( (elem = elem[ dir ]) ) {
2265                                         if ( elem.nodeType === 1 || checkNonElements ) {
2266                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2267
2268                                                 // Support: IE <9 only
2269                                                 // Defend against cloned attroperties (jQuery gh-1709)
2270                                                 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2271
2272                                                 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2273                                                         elem = elem[ dir ] || elem;
2274                                                 } else if ( (oldCache = uniqueCache[ key ]) &&
2275                                                         oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2276
2277                                                         // Assign to newCache so results back-propagate to previous elements
2278                                                         return (newCache[ 2 ] = oldCache[ 2 ]);
2279                                                 } else {
2280                                                         // Reuse newcache so results back-propagate to previous elements
2281                                                         uniqueCache[ key ] = newCache;
2282
2283                                                         // A match means we're done; a fail means we have to keep checking
2284                                                         if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2285                                                                 return true;
2286                                                         }
2287                                                 }
2288                                         }
2289                                 }
2290                         }
2291                         return false;
2292                 };
2293 }
2294
2295 function elementMatcher( matchers ) {
2296         return matchers.length > 1 ?
2297                 function( elem, context, xml ) {
2298                         var i = matchers.length;
2299                         while ( i-- ) {
2300                                 if ( !matchers[i]( elem, context, xml ) ) {
2301                                         return false;
2302                                 }
2303                         }
2304                         return true;
2305                 } :
2306                 matchers[0];
2307 }
2308
2309 function multipleContexts( selector, contexts, results ) {
2310         var i = 0,
2311                 len = contexts.length;
2312         for ( ; i < len; i++ ) {
2313                 Sizzle( selector, contexts[i], results );
2314         }
2315         return results;
2316 }
2317
2318 function condense( unmatched, map, filter, context, xml ) {
2319         var elem,
2320                 newUnmatched = [],
2321                 i = 0,
2322                 len = unmatched.length,
2323                 mapped = map != null;
2324
2325         for ( ; i < len; i++ ) {
2326                 if ( (elem = unmatched[i]) ) {
2327                         if ( !filter || filter( elem, context, xml ) ) {
2328                                 newUnmatched.push( elem );
2329                                 if ( mapped ) {
2330                                         map.push( i );
2331                                 }
2332                         }
2333                 }
2334         }
2335
2336         return newUnmatched;
2337 }
2338
2339 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2340         if ( postFilter && !postFilter[ expando ] ) {
2341                 postFilter = setMatcher( postFilter );
2342         }
2343         if ( postFinder && !postFinder[ expando ] ) {
2344                 postFinder = setMatcher( postFinder, postSelector );
2345         }
2346         return markFunction(function( seed, results, context, xml ) {
2347                 var temp, i, elem,
2348                         preMap = [],
2349                         postMap = [],
2350                         preexisting = results.length,
2351
2352                         // Get initial elements from seed or context
2353                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2354
2355                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2356                         matcherIn = preFilter && ( seed || !selector ) ?
2357                                 condense( elems, preMap, preFilter, context, xml ) :
2358                                 elems,
2359
2360                         matcherOut = matcher ?
2361                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2362                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2363
2364                                         // ...intermediate processing is necessary
2365                                         [] :
2366
2367                                         // ...otherwise use results directly
2368                                         results :
2369                                 matcherIn;
2370
2371                 // Find primary matches
2372                 if ( matcher ) {
2373                         matcher( matcherIn, matcherOut, context, xml );
2374                 }
2375
2376                 // Apply postFilter
2377                 if ( postFilter ) {
2378                         temp = condense( matcherOut, postMap );
2379                         postFilter( temp, [], context, xml );
2380
2381                         // Un-match failing elements by moving them back to matcherIn
2382                         i = temp.length;
2383                         while ( i-- ) {
2384                                 if ( (elem = temp[i]) ) {
2385                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2386                                 }
2387                         }
2388                 }
2389
2390                 if ( seed ) {
2391                         if ( postFinder || preFilter ) {
2392                                 if ( postFinder ) {
2393                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2394                                         temp = [];
2395                                         i = matcherOut.length;
2396                                         while ( i-- ) {
2397                                                 if ( (elem = matcherOut[i]) ) {
2398                                                         // Restore matcherIn since elem is not yet a final match
2399                                                         temp.push( (matcherIn[i] = elem) );
2400                                                 }
2401                                         }
2402                                         postFinder( null, (matcherOut = []), temp, xml );
2403                                 }
2404
2405                                 // Move matched elements from seed to results to keep them synchronized
2406                                 i = matcherOut.length;
2407                                 while ( i-- ) {
2408                                         if ( (elem = matcherOut[i]) &&
2409                                                 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2410
2411                                                 seed[temp] = !(results[temp] = elem);
2412                                         }
2413                                 }
2414                         }
2415
2416                 // Add elements to results, through postFinder if defined
2417                 } else {
2418                         matcherOut = condense(
2419                                 matcherOut === results ?
2420                                         matcherOut.splice( preexisting, matcherOut.length ) :
2421                                         matcherOut
2422                         );
2423                         if ( postFinder ) {
2424                                 postFinder( null, results, matcherOut, xml );
2425                         } else {
2426                                 push.apply( results, matcherOut );
2427                         }
2428                 }
2429         });
2430 }
2431
2432 function matcherFromTokens( tokens ) {
2433         var checkContext, matcher, j,
2434                 len = tokens.length,
2435                 leadingRelative = Expr.relative[ tokens[0].type ],
2436                 implicitRelative = leadingRelative || Expr.relative[" "],
2437                 i = leadingRelative ? 1 : 0,
2438
2439                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2440                 matchContext = addCombinator( function( elem ) {
2441                         return elem === checkContext;
2442                 }, implicitRelative, true ),
2443                 matchAnyContext = addCombinator( function( elem ) {
2444                         return indexOf( checkContext, elem ) > -1;
2445                 }, implicitRelative, true ),
2446                 matchers = [ function( elem, context, xml ) {
2447                         var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2448                                 (checkContext = context).nodeType ?
2449                                         matchContext( elem, context, xml ) :
2450                                         matchAnyContext( elem, context, xml ) );
2451                         // Avoid hanging onto element (issue #299)
2452                         checkContext = null;
2453                         return ret;
2454                 } ];
2455
2456         for ( ; i < len; i++ ) {
2457                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2458                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2459                 } else {
2460                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2461
2462                         // Return special upon seeing a positional matcher
2463                         if ( matcher[ expando ] ) {
2464                                 // Find the next relative operator (if any) for proper handling
2465                                 j = ++i;
2466                                 for ( ; j < len; j++ ) {
2467                                         if ( Expr.relative[ tokens[j].type ] ) {
2468                                                 break;
2469                                         }
2470                                 }
2471                                 return setMatcher(
2472                                         i > 1 && elementMatcher( matchers ),
2473                                         i > 1 && toSelector(
2474                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2475                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2476                                         ).replace( rtrim, "$1" ),
2477                                         matcher,
2478                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2479                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2480                                         j < len && toSelector( tokens )
2481                                 );
2482                         }
2483                         matchers.push( matcher );
2484                 }
2485         }
2486
2487         return elementMatcher( matchers );
2488 }
2489
2490 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2491         var bySet = setMatchers.length > 0,
2492                 byElement = elementMatchers.length > 0,
2493                 superMatcher = function( seed, context, xml, results, outermost ) {
2494                         var elem, j, matcher,
2495                                 matchedCount = 0,
2496                                 i = "0",
2497                                 unmatched = seed && [],
2498                                 setMatched = [],
2499                                 contextBackup = outermostContext,
2500                                 // We must always have either seed elements or outermost context
2501                                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2502                                 // Use integer dirruns iff this is the outermost matcher
2503                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2504                                 len = elems.length;
2505
2506                         if ( outermost ) {
2507                                 outermostContext = context === document || context || outermost;
2508                         }
2509
2510                         // Add elements passing elementMatchers directly to results
2511                         // Support: IE<9, Safari
2512                         // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2513                         for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2514                                 if ( byElement && elem ) {
2515                                         j = 0;
2516                                         if ( !context && elem.ownerDocument !== document ) {
2517                                                 setDocument( elem );
2518                                                 xml = !documentIsHTML;
2519                                         }
2520                                         while ( (matcher = elementMatchers[j++]) ) {
2521                                                 if ( matcher( elem, context || document, xml) ) {
2522                                                         results.push( elem );
2523                                                         break;
2524                                                 }
2525                                         }
2526                                         if ( outermost ) {
2527                                                 dirruns = dirrunsUnique;
2528                                         }
2529                                 }
2530
2531                                 // Track unmatched elements for set filters
2532                                 if ( bySet ) {
2533                                         // They will have gone through all possible matchers
2534                                         if ( (elem = !matcher && elem) ) {
2535                                                 matchedCount--;
2536                                         }
2537
2538                                         // Lengthen the array for every element, matched or not
2539                                         if ( seed ) {
2540                                                 unmatched.push( elem );
2541                                         }
2542                                 }
2543                         }
2544
2545                         // `i` is now the count of elements visited above, and adding it to `matchedCount`
2546                         // makes the latter nonnegative.
2547                         matchedCount += i;
2548
2549                         // Apply set filters to unmatched elements
2550                         // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2551                         // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2552                         // no element matchers and no seed.
2553                         // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2554                         // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2555                         // numerically zero.
2556                         if ( bySet && i !== matchedCount ) {
2557                                 j = 0;
2558                                 while ( (matcher = setMatchers[j++]) ) {
2559                                         matcher( unmatched, setMatched, context, xml );
2560                                 }
2561
2562                                 if ( seed ) {
2563                                         // Reintegrate element matches to eliminate the need for sorting
2564                                         if ( matchedCount > 0 ) {
2565                                                 while ( i-- ) {
2566                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2567                                                                 setMatched[i] = pop.call( results );
2568                                                         }
2569                                                 }
2570                                         }
2571
2572                                         // Discard index placeholder values to get only actual matches
2573                                         setMatched = condense( setMatched );
2574                                 }
2575
2576                                 // Add matches to results
2577                                 push.apply( results, setMatched );
2578
2579                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2580                                 if ( outermost && !seed && setMatched.length > 0 &&
2581                                         ( matchedCount + setMatchers.length ) > 1 ) {
2582
2583                                         Sizzle.uniqueSort( results );
2584                                 }
2585                         }
2586
2587                         // Override manipulation of globals by nested matchers
2588                         if ( outermost ) {
2589                                 dirruns = dirrunsUnique;
2590                                 outermostContext = contextBackup;
2591                         }
2592
2593                         return unmatched;
2594                 };
2595
2596         return bySet ?
2597                 markFunction( superMatcher ) :
2598                 superMatcher;
2599 }
2600
2601 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2602         var i,
2603                 setMatchers = [],
2604                 elementMatchers = [],
2605                 cached = compilerCache[ selector + " " ];
2606
2607         if ( !cached ) {
2608                 // Generate a function of recursive functions that can be used to check each element
2609                 if ( !match ) {
2610                         match = tokenize( selector );
2611                 }
2612                 i = match.length;
2613                 while ( i-- ) {
2614                         cached = matcherFromTokens( match[i] );
2615                         if ( cached[ expando ] ) {
2616                                 setMatchers.push( cached );
2617                         } else {
2618                                 elementMatchers.push( cached );
2619                         }
2620                 }
2621
2622                 // Cache the compiled function
2623                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2624
2625                 // Save selector and tokenization
2626                 cached.selector = selector;
2627         }
2628         return cached;
2629 };
2630
2631 /**
2632  * A low-level selection function that works with Sizzle's compiled
2633  *  selector functions
2634  * @param {String|Function} selector A selector or a pre-compiled
2635  *  selector function built with Sizzle.compile
2636  * @param {Element} context
2637  * @param {Array} [results]
2638  * @param {Array} [seed] A set of elements to match against
2639  */
2640 select = Sizzle.select = function( selector, context, results, seed ) {
2641         var i, tokens, token, type, find,
2642                 compiled = typeof selector === "function" && selector,
2643                 match = !seed && tokenize( (selector = compiled.selector || selector) );
2644
2645         results = results || [];
2646
2647         // Try to minimize operations if there is only one selector in the list and no seed
2648         // (the latter of which guarantees us context)
2649         if ( match.length === 1 ) {
2650
2651                 // Reduce context if the leading compound selector is an ID
2652                 tokens = match[0] = match[0].slice( 0 );
2653                 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2654                                 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2655
2656                         context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2657                         if ( !context ) {
2658                                 return results;
2659
2660                         // Precompiled matchers will still verify ancestry, so step up a level
2661                         } else if ( compiled ) {
2662                                 context = context.parentNode;
2663                         }
2664
2665                         selector = selector.slice( tokens.shift().value.length );
2666                 }
2667
2668                 // Fetch a seed set for right-to-left matching
2669                 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2670                 while ( i-- ) {
2671                         token = tokens[i];
2672
2673                         // Abort if we hit a combinator
2674                         if ( Expr.relative[ (type = token.type) ] ) {
2675                                 break;
2676                         }
2677                         if ( (find = Expr.find[ type ]) ) {
2678                                 // Search, expanding context for leading sibling combinators
2679                                 if ( (seed = find(
2680                                         token.matches[0].replace( runescape, funescape ),
2681                                         rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2682                                 )) ) {
2683
2684                                         // If seed is empty or no tokens remain, we can return early
2685                                         tokens.splice( i, 1 );
2686                                         selector = seed.length && toSelector( tokens );
2687                                         if ( !selector ) {
2688                                                 push.apply( results, seed );
2689                                                 return results;
2690                                         }
2691
2692                                         break;
2693                                 }
2694                         }
2695                 }
2696         }
2697
2698         // Compile and execute a filtering function if one is not provided
2699         // Provide `match` to avoid retokenization if we modified the selector above
2700         ( compiled || compile( selector, match ) )(
2701                 seed,
2702                 context,
2703                 !documentIsHTML,
2704                 results,
2705                 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2706         );
2707         return results;
2708 };
2709
2710 // One-time assignments
2711
2712 // Sort stability
2713 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2714
2715 // Support: Chrome 14-35+
2716 // Always assume duplicates if they aren't passed to the comparison function
2717 support.detectDuplicates = !!hasDuplicate;
2718
2719 // Initialize against the default document
2720 setDocument();
2721
2722 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2723 // Detached nodes confoundingly follow *each other*
2724 support.sortDetached = assert(function( el ) {
2725         // Should return 1, but returns 4 (following)
2726         return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2727 });
2728
2729 // Support: IE<8
2730 // Prevent attribute/property "interpolation"
2731 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2732 if ( !assert(function( el ) {
2733         el.innerHTML = "<a href='#'></a>";
2734         return el.firstChild.getAttribute("href") === "#" ;
2735 }) ) {
2736         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2737                 if ( !isXML ) {
2738                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2739                 }
2740         });
2741 }
2742
2743 // Support: IE<9
2744 // Use defaultValue in place of getAttribute("value")
2745 if ( !support.attributes || !assert(function( el ) {
2746         el.innerHTML = "<input/>";
2747         el.firstChild.setAttribute( "value", "" );
2748         return el.firstChild.getAttribute( "value" ) === "";
2749 }) ) {
2750         addHandle( "value", function( elem, name, isXML ) {
2751                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2752                         return elem.defaultValue;
2753                 }
2754         });
2755 }
2756
2757 // Support: IE<9
2758 // Use getAttributeNode to fetch booleans when getAttribute lies
2759 if ( !assert(function( el ) {
2760         return el.getAttribute("disabled") == null;
2761 }) ) {
2762         addHandle( booleans, function( elem, name, isXML ) {
2763                 var val;
2764                 if ( !isXML ) {
2765                         return elem[ name ] === true ? name.toLowerCase() :
2766                                         (val = elem.getAttributeNode( name )) && val.specified ?
2767                                         val.value :
2768                                 null;
2769                 }
2770         });
2771 }
2772
2773 return Sizzle;
2774
2775 })( window );
2776
2777
2778
2779 jQuery.find = Sizzle;
2780 jQuery.expr = Sizzle.selectors;
2781
2782 // Deprecated
2783 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2784 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2785 jQuery.text = Sizzle.getText;
2786 jQuery.isXMLDoc = Sizzle.isXML;
2787 jQuery.contains = Sizzle.contains;
2788 jQuery.escapeSelector = Sizzle.escape;
2789
2790
2791
2792
2793 var dir = function( elem, dir, until ) {
2794         var matched = [],
2795                 truncate = until !== undefined;
2796
2797         while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2798                 if ( elem.nodeType === 1 ) {
2799                         if ( truncate && jQuery( elem ).is( until ) ) {
2800                                 break;
2801                         }
2802                         matched.push( elem );
2803                 }
2804         }
2805         return matched;
2806 };
2807
2808
2809 var siblings = function( n, elem ) {
2810         var matched = [];
2811
2812         for ( ; n; n = n.nextSibling ) {
2813                 if ( n.nodeType === 1 && n !== elem ) {
2814                         matched.push( n );
2815                 }
2816         }
2817
2818         return matched;
2819 };
2820
2821
2822 var rneedsContext = jQuery.expr.match.needsContext;
2823
2824
2825
2826 function nodeName( elem, name ) {
2827
2828   return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2829
2830 };
2831 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2832
2833
2834
2835 // Implement the identical functionality for filter and not
2836 function winnow( elements, qualifier, not ) {
2837         if ( isFunction( qualifier ) ) {
2838                 return jQuery.grep( elements, function( elem, i ) {
2839                         return !!qualifier.call( elem, i, elem ) !== not;
2840                 } );
2841         }
2842
2843         // Single element
2844         if ( qualifier.nodeType ) {
2845                 return jQuery.grep( elements, function( elem ) {
2846                         return ( elem === qualifier ) !== not;
2847                 } );
2848         }
2849
2850         // Arraylike of elements (jQuery, arguments, Array)
2851         if ( typeof qualifier !== "string" ) {
2852                 return jQuery.grep( elements, function( elem ) {
2853                         return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2854                 } );
2855         }
2856
2857         // Filtered directly for both simple and complex selectors
2858         return jQuery.filter( qualifier, elements, not );
2859 }
2860
2861 jQuery.filter = function( expr, elems, not ) {
2862         var elem = elems[ 0 ];
2863
2864         if ( not ) {
2865                 expr = ":not(" + expr + ")";
2866         }
2867
2868         if ( elems.length === 1 && elem.nodeType === 1 ) {
2869                 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2870         }
2871
2872         return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2873                 return elem.nodeType === 1;
2874         } ) );
2875 };
2876
2877 jQuery.fn.extend( {
2878         find: function( selector ) {
2879                 var i, ret,
2880                         len = this.length,
2881                         self = this;
2882
2883                 if ( typeof selector !== "string" ) {
2884                         return this.pushStack( jQuery( selector ).filter( function() {
2885                                 for ( i = 0; i < len; i++ ) {
2886                                         if ( jQuery.contains( self[ i ], this ) ) {
2887                                                 return true;
2888                                         }
2889                                 }
2890                         } ) );
2891                 }
2892
2893                 ret = this.pushStack( [] );
2894
2895                 for ( i = 0; i < len; i++ ) {
2896                         jQuery.find( selector, self[ i ], ret );
2897                 }
2898
2899                 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2900         },
2901         filter: function( selector ) {
2902                 return this.pushStack( winnow( this, selector || [], false ) );
2903         },
2904         not: function( selector ) {
2905                 return this.pushStack( winnow( this, selector || [], true ) );
2906         },
2907         is: function( selector ) {
2908                 return !!winnow(
2909                         this,
2910
2911                         // If this is a positional/relative selector, check membership in the returned set
2912                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
2913                         typeof selector === "string" && rneedsContext.test( selector ) ?
2914                                 jQuery( selector ) :
2915                                 selector || [],
2916                         false
2917                 ).length;
2918         }
2919 } );
2920
2921
2922 // Initialize a jQuery object
2923
2924
2925 // A central reference to the root jQuery(document)
2926 var rootjQuery,
2927
2928         // A simple way to check for HTML strings
2929         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2930         // Strict HTML recognition (#11290: must start with <)
2931         // Shortcut simple #id case for speed
2932         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2933
2934         init = jQuery.fn.init = function( selector, context, root ) {
2935                 var match, elem;
2936
2937                 // HANDLE: $(""), $(null), $(undefined), $(false)
2938                 if ( !selector ) {
2939                         return this;
2940                 }
2941
2942                 // Method init() accepts an alternate rootjQuery
2943                 // so migrate can support jQuery.sub (gh-2101)
2944                 root = root || rootjQuery;
2945
2946                 // Handle HTML strings
2947                 if ( typeof selector === "string" ) {
2948                         if ( selector[ 0 ] === "<" &&
2949                                 selector[ selector.length - 1 ] === ">" &&
2950                                 selector.length >= 3 ) {
2951
2952                                 // Assume that strings that start and end with <> are HTML and skip the regex check
2953                                 match = [ null, selector, null ];
2954
2955                         } else {
2956                                 match = rquickExpr.exec( selector );
2957                         }
2958
2959                         // Match html or make sure no context is specified for #id
2960                         if ( match && ( match[ 1 ] || !context ) ) {
2961
2962                                 // HANDLE: $(html) -> $(array)
2963                                 if ( match[ 1 ] ) {
2964                                         context = context instanceof jQuery ? context[ 0 ] : context;
2965
2966                                         // Option to run scripts is true for back-compat
2967                                         // Intentionally let the error be thrown if parseHTML is not present
2968                                         jQuery.merge( this, jQuery.parseHTML(
2969                                                 match[ 1 ],
2970                                                 context && context.nodeType ? context.ownerDocument || context : document,
2971                                                 true
2972                                         ) );
2973
2974                                         // HANDLE: $(html, props)
2975                                         if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2976                                                 for ( match in context ) {
2977
2978                                                         // Properties of context are called as methods if possible
2979                                                         if ( isFunction( this[ match ] ) ) {
2980                                                                 this[ match ]( context[ match ] );
2981
2982                                                         // ...and otherwise set as attributes
2983                                                         } else {
2984                                                                 this.attr( match, context[ match ] );
2985                                                         }
2986                                                 }
2987                                         }
2988
2989                                         return this;
2990
2991                                 // HANDLE: $(#id)
2992                                 } else {
2993                                         elem = document.getElementById( match[ 2 ] );
2994
2995                                         if ( elem ) {
2996
2997                                                 // Inject the element directly into the jQuery object
2998                                                 this[ 0 ] = elem;
2999                                                 this.length = 1;
3000                                         }
3001                                         return this;
3002                                 }
3003
3004                         // HANDLE: $(expr, $(...))
3005                         } else if ( !context || context.jquery ) {
3006                                 return ( context || root ).find( selector );
3007
3008                         // HANDLE: $(expr, context)
3009                         // (which is just equivalent to: $(context).find(expr)
3010                         } else {
3011                                 return this.constructor( context ).find( selector );
3012                         }
3013
3014                 // HANDLE: $(DOMElement)
3015                 } else if ( selector.nodeType ) {
3016                         this[ 0 ] = selector;
3017                         this.length = 1;
3018                         return this;
3019
3020                 // HANDLE: $(function)
3021                 // Shortcut for document ready
3022                 } else if ( isFunction( selector ) ) {
3023                         return root.ready !== undefined ?
3024                                 root.ready( selector ) :
3025
3026                                 // Execute immediately if ready is not present
3027                                 selector( jQuery );
3028                 }
3029
3030                 return jQuery.makeArray( selector, this );
3031         };
3032
3033 // Give the init function the jQuery prototype for later instantiation
3034 init.prototype = jQuery.fn;
3035
3036 // Initialize central reference
3037 rootjQuery = jQuery( document );
3038
3039
3040 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3041
3042         // Methods guaranteed to produce a unique set when starting from a unique set
3043         guaranteedUnique = {
3044                 children: true,
3045                 contents: true,
3046                 next: true,
3047                 prev: true
3048         };
3049
3050 jQuery.fn.extend( {
3051         has: function( target ) {
3052                 var targets = jQuery( target, this ),
3053                         l = targets.length;
3054
3055                 return this.filter( function() {
3056                         var i = 0;
3057                         for ( ; i < l; i++ ) {
3058                                 if ( jQuery.contains( this, targets[ i ] ) ) {
3059                                         return true;
3060                                 }
3061                         }
3062                 } );
3063         },
3064
3065         closest: function( selectors, context ) {
3066                 var cur,
3067                         i = 0,
3068                         l = this.length,
3069                         matched = [],
3070                         targets = typeof selectors !== "string" && jQuery( selectors );
3071
3072                 // Positional selectors never match, since there's no _selection_ context
3073                 if ( !rneedsContext.test( selectors ) ) {
3074                         for ( ; i < l; i++ ) {
3075                                 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3076
3077                                         // Always skip document fragments
3078                                         if ( cur.nodeType < 11 && ( targets ?
3079                                                 targets.index( cur ) > -1 :
3080
3081                                                 // Don't pass non-elements to Sizzle
3082                                                 cur.nodeType === 1 &&
3083                                                         jQuery.find.matchesSelector( cur, selectors ) ) ) {
3084
3085                                                 matched.push( cur );
3086                                                 break;
3087                                         }
3088                                 }
3089                         }
3090                 }
3091
3092                 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3093         },
3094
3095         // Determine the position of an element within the set
3096         index: function( elem ) {
3097
3098                 // No argument, return index in parent
3099                 if ( !elem ) {
3100                         return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3101                 }
3102
3103                 // Index in selector
3104                 if ( typeof elem === "string" ) {
3105                         return indexOf.call( jQuery( elem ), this[ 0 ] );
3106                 }
3107
3108                 // Locate the position of the desired element
3109                 return indexOf.call( this,
3110
3111                         // If it receives a jQuery object, the first element is used
3112                         elem.jquery ? elem[ 0 ] : elem
3113                 );
3114         },
3115
3116         add: function( selector, context ) {
3117                 return this.pushStack(
3118                         jQuery.uniqueSort(
3119                                 jQuery.merge( this.get(), jQuery( selector, context ) )
3120                         )
3121                 );
3122         },
3123
3124         addBack: function( selector ) {
3125                 return this.add( selector == null ?
3126                         this.prevObject : this.prevObject.filter( selector )
3127                 );
3128         }
3129 } );
3130
3131 function sibling( cur, dir ) {
3132         while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3133         return cur;
3134 }
3135
3136 jQuery.each( {
3137         parent: function( elem ) {
3138                 var parent = elem.parentNode;
3139                 return parent && parent.nodeType !== 11 ? parent : null;
3140         },
3141         parents: function( elem ) {
3142                 return dir( elem, "parentNode" );
3143         },
3144         parentsUntil: function( elem, i, until ) {
3145                 return dir( elem, "parentNode", until );
3146         },
3147         next: function( elem ) {
3148                 return sibling( elem, "nextSibling" );
3149         },
3150         prev: function( elem ) {
3151                 return sibling( elem, "previousSibling" );
3152         },
3153         nextAll: function( elem ) {
3154                 return dir( elem, "nextSibling" );
3155         },
3156         prevAll: function( elem ) {
3157                 return dir( elem, "previousSibling" );
3158         },
3159         nextUntil: function( elem, i, until ) {
3160                 return dir( elem, "nextSibling", until );
3161         },
3162         prevUntil: function( elem, i, until ) {
3163                 return dir( elem, "previousSibling", until );
3164         },
3165         siblings: function( elem ) {
3166                 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3167         },
3168         children: function( elem ) {
3169                 return siblings( elem.firstChild );
3170         },
3171         contents: function( elem ) {
3172                 if ( typeof elem.contentDocument !== "undefined" ) {
3173                         return elem.contentDocument;
3174                 }
3175
3176                 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3177                 // Treat the template element as a regular one in browsers that
3178                 // don't support it.
3179                 if ( nodeName( elem, "template" ) ) {
3180                         elem = elem.content || elem;
3181                 }
3182
3183                 return jQuery.merge( [], elem.childNodes );
3184         }
3185 }, function( name, fn ) {
3186         jQuery.fn[ name ] = function( until, selector ) {
3187                 var matched = jQuery.map( this, fn, until );
3188
3189                 if ( name.slice( -5 ) !== "Until" ) {
3190                         selector = until;
3191                 }
3192
3193                 if ( selector && typeof selector === "string" ) {
3194                         matched = jQuery.filter( selector, matched );
3195                 }
3196
3197                 if ( this.length > 1 ) {
3198
3199                         // Remove duplicates
3200                         if ( !guaranteedUnique[ name ] ) {
3201                                 jQuery.uniqueSort( matched );
3202                         }
3203
3204                         // Reverse order for parents* and prev-derivatives
3205                         if ( rparentsprev.test( name ) ) {
3206                                 matched.reverse();
3207                         }
3208                 }
3209
3210                 return this.pushStack( matched );
3211         };
3212 } );
3213 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3214
3215
3216
3217 // Convert String-formatted options into Object-formatted ones
3218 function createOptions( options ) {
3219         var object = {};
3220         jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3221                 object[ flag ] = true;
3222         } );
3223         return object;
3224 }
3225
3226 /*
3227  * Create a callback list using the following parameters:
3228  *
3229  *      options: an optional list of space-separated options that will change how
3230  *                      the callback list behaves or a more traditional option object
3231  *
3232  * By default a callback list will act like an event callback list and can be
3233  * "fired" multiple times.
3234  *
3235  * Possible options:
3236  *
3237  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3238  *
3239  *      memory:                 will keep track of previous values and will call any callback added
3240  *                                      after the list has been fired right away with the latest "memorized"
3241  *                                      values (like a Deferred)
3242  *
3243  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3244  *
3245  *      stopOnFalse:    interrupt callings when a callback returns false
3246  *
3247  */
3248 jQuery.Callbacks = function( options ) {
3249
3250         // Convert options from String-formatted to Object-formatted if needed
3251         // (we check in cache first)
3252         options = typeof options === "string" ?
3253                 createOptions( options ) :
3254                 jQuery.extend( {}, options );
3255
3256         var // Flag to know if list is currently firing
3257                 firing,
3258
3259                 // Last fire value for non-forgettable lists
3260                 memory,
3261
3262                 // Flag to know if list was already fired
3263                 fired,
3264
3265                 // Flag to prevent firing
3266                 locked,
3267
3268                 // Actual callback list
3269                 list = [],
3270
3271                 // Queue of execution data for repeatable lists
3272                 queue = [],
3273
3274                 // Index of currently firing callback (modified by add/remove as needed)
3275                 firingIndex = -1,
3276
3277                 // Fire callbacks
3278                 fire = function() {
3279
3280                         // Enforce single-firing
3281                         locked = locked || options.once;
3282
3283                         // Execute callbacks for all pending executions,
3284                         // respecting firingIndex overrides and runtime changes
3285                         fired = firing = true;
3286                         for ( ; queue.length; firingIndex = -1 ) {
3287                                 memory = queue.shift();
3288                                 while ( ++firingIndex < list.length ) {
3289
3290                                         // Run callback and check for early termination
3291                                         if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3292                                                 options.stopOnFalse ) {
3293
3294                                                 // Jump to end and forget the data so .add doesn't re-fire
3295                                                 firingIndex = list.length;
3296                                                 memory = false;
3297                                         }
3298                                 }
3299                         }
3300
3301                         // Forget the data if we're done with it
3302                         if ( !options.memory ) {
3303                                 memory = false;
3304                         }
3305
3306                         firing = false;
3307
3308                         // Clean up if we're done firing for good
3309                         if ( locked ) {
3310
3311                                 // Keep an empty list if we have data for future add calls
3312                                 if ( memory ) {
3313                                         list = [];
3314
3315                                 // Otherwise, this object is spent
3316                                 } else {
3317                                         list = "";
3318                                 }
3319                         }
3320                 },
3321
3322                 // Actual Callbacks object
3323                 self = {
3324
3325                         // Add a callback or a collection of callbacks to the list
3326                         add: function() {
3327                                 if ( list ) {
3328
3329                                         // If we have memory from a past run, we should fire after adding
3330                                         if ( memory && !firing ) {
3331                                                 firingIndex = list.length - 1;
3332                                                 queue.push( memory );
3333                                         }
3334
3335                                         ( function add( args ) {
3336                                                 jQuery.each( args, function( _, arg ) {
3337                                                         if ( isFunction( arg ) ) {
3338                                                                 if ( !options.unique || !self.has( arg ) ) {
3339                                                                         list.push( arg );
3340                                                                 }
3341                                                         } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3342
3343                                                                 // Inspect recursively
3344                                                                 add( arg );
3345                                                         }
3346                                                 } );
3347                                         } )( arguments );
3348
3349                                         if ( memory && !firing ) {
3350                                                 fire();
3351                                         }
3352                                 }
3353                                 return this;
3354                         },
3355
3356                         // Remove a callback from the list
3357                         remove: function() {
3358                                 jQuery.each( arguments, function( _, arg ) {
3359                                         var index;
3360                                         while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3361                                                 list.splice( index, 1 );
3362
3363                                                 // Handle firing indexes
3364                                                 if ( index <= firingIndex ) {
3365                                                         firingIndex--;
3366                                                 }
3367                                         }
3368                                 } );
3369                                 return this;
3370                         },
3371
3372                         // Check if a given callback is in the list.
3373                         // If no argument is given, return whether or not list has callbacks attached.
3374                         has: function( fn ) {
3375                                 return fn ?
3376                                         jQuery.inArray( fn, list ) > -1 :
3377                                         list.length > 0;
3378                         },
3379
3380                         // Remove all callbacks from the list
3381                         empty: function() {
3382                                 if ( list ) {
3383                                         list = [];
3384                                 }
3385                                 return this;
3386                         },
3387
3388                         // Disable .fire and .add
3389                         // Abort any current/pending executions
3390                         // Clear all callbacks and values
3391                         disable: function() {
3392                                 locked = queue = [];
3393                                 list = memory = "";
3394                                 return this;
3395                         },
3396                         disabled: function() {
3397                                 return !list;
3398                         },
3399
3400                         // Disable .fire
3401                         // Also disable .add unless we have memory (since it would have no effect)
3402                         // Abort any pending executions
3403                         lock: function() {
3404                                 locked = queue = [];
3405                                 if ( !memory && !firing ) {
3406                                         list = memory = "";
3407                                 }
3408                                 return this;
3409                         },
3410                         locked: function() {
3411                                 return !!locked;
3412                         },
3413
3414                         // Call all callbacks with the given context and arguments
3415                         fireWith: function( context, args ) {
3416                                 if ( !locked ) {
3417                                         args = args || [];
3418                                         args = [ context, args.slice ? args.slice() : args ];
3419                                         queue.push( args );
3420                                         if ( !firing ) {
3421                                                 fire();
3422                                         }
3423                                 }
3424                                 return this;
3425                         },
3426
3427                         // Call all the callbacks with the given arguments
3428                         fire: function() {
3429                                 self.fireWith( this, arguments );
3430                                 return this;
3431                         },
3432
3433                         // To know if the callbacks have already been called at least once
3434                         fired: function() {
3435                                 return !!fired;
3436                         }
3437                 };
3438
3439         return self;
3440 };
3441
3442
3443 function Identity( v ) {
3444         return v;
3445 }
3446 function Thrower( ex ) {
3447         throw ex;
3448 }
3449
3450 function adoptValue( value, resolve, reject, noValue ) {
3451         var method;
3452
3453         try {
3454
3455                 // Check for promise aspect first to privilege synchronous behavior
3456                 if ( value && isFunction( ( method = value.promise ) ) ) {
3457                         method.call( value ).done( resolve ).fail( reject );
3458
3459                 // Other thenables
3460                 } else if ( value && isFunction( ( method = value.then ) ) ) {
3461                         method.call( value, resolve, reject );
3462
3463                 // Other non-thenables
3464                 } else {
3465
3466                         // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3467                         // * false: [ value ].slice( 0 ) => resolve( value )
3468                         // * true: [ value ].slice( 1 ) => resolve()
3469                         resolve.apply( undefined, [ value ].slice( noValue ) );
3470                 }
3471
3472         // For Promises/A+, convert exceptions into rejections
3473         // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3474         // Deferred#then to conditionally suppress rejection.
3475         } catch ( value ) {
3476
3477                 // Support: Android 4.0 only
3478                 // Strict mode functions invoked without .call/.apply get global-object context
3479                 reject.apply( undefined, [ value ] );
3480         }
3481 }
3482
3483 jQuery.extend( {
3484
3485         Deferred: function( func ) {
3486                 var tuples = [
3487
3488                                 // action, add listener, callbacks,
3489                                 // ... .then handlers, argument index, [final state]
3490                                 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3491                                         jQuery.Callbacks( "memory" ), 2 ],
3492                                 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3493                                         jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3494                                 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3495                                         jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3496                         ],
3497                         state = "pending",
3498                         promise = {
3499                                 state: function() {
3500                                         return state;
3501                                 },
3502                                 always: function() {
3503                                         deferred.done( arguments ).fail( arguments );
3504                                         return this;
3505                                 },
3506                                 "catch": function( fn ) {
3507                                         return promise.then( null, fn );
3508                                 },
3509
3510                                 // Keep pipe for back-compat
3511                                 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3512                                         var fns = arguments;
3513
3514                                         return jQuery.Deferred( function( newDefer ) {
3515                                                 jQuery.each( tuples, function( i, tuple ) {
3516
3517                                                         // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3518                                                         var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3519
3520                                                         // deferred.progress(function() { bind to newDefer or newDefer.notify })
3521                                                         // deferred.done(function() { bind to newDefer or newDefer.resolve })
3522                                                         // deferred.fail(function() { bind to newDefer or newDefer.reject })
3523                                                         deferred[ tuple[ 1 ] ]( function() {
3524                                                                 var returned = fn && fn.apply( this, arguments );
3525                                                                 if ( returned && isFunction( returned.promise ) ) {
3526                                                                         returned.promise()
3527                                                                                 .progress( newDefer.notify )
3528                                                                                 .done( newDefer.resolve )
3529                                                                                 .fail( newDefer.reject );
3530                                                                 } else {
3531                                                                         newDefer[ tuple[ 0 ] + "With" ](
3532                                                                                 this,
3533                                                                                 fn ? [ returned ] : arguments
3534                                                                         );
3535                                                                 }
3536                                                         } );
3537                                                 } );
3538                                                 fns = null;
3539                                         } ).promise();
3540                                 },
3541                                 then: function( onFulfilled, onRejected, onProgress ) {
3542                                         var maxDepth = 0;
3543                                         function resolve( depth, deferred, handler, special ) {
3544                                                 return function() {
3545                                                         var that = this,
3546                                                                 args = arguments,
3547                                                                 mightThrow = function() {
3548                                                                         var returned, then;
3549
3550                                                                         // Support: Promises/A+ section 2.3.3.3.3
3551                                                                         // https://promisesaplus.com/#point-59
3552                                                                         // Ignore double-resolution attempts
3553                                                                         if ( depth < maxDepth ) {
3554                                                                                 return;
3555                                                                         }
3556
3557                                                                         returned = handler.apply( that, args );
3558
3559                                                                         // Support: Promises/A+ section 2.3.1
3560                                                                         // https://promisesaplus.com/#point-48
3561                                                                         if ( returned === deferred.promise() ) {
3562                                                                                 throw new TypeError( "Thenable self-resolution" );
3563                                                                         }
3564
3565                                                                         // Support: Promises/A+ sections 2.3.3.1, 3.5
3566                                                                         // https://promisesaplus.com/#point-54
3567                                                                         // https://promisesaplus.com/#point-75
3568                                                                         // Retrieve `then` only once
3569                                                                         then = returned &&
3570
3571                                                                                 // Support: Promises/A+ section 2.3.4
3572                                                                                 // https://promisesaplus.com/#point-64
3573                                                                                 // Only check objects and functions for thenability
3574                                                                                 ( typeof returned === "object" ||
3575                                                                                         typeof returned === "function" ) &&
3576                                                                                 returned.then;
3577
3578                                                                         // Handle a returned thenable
3579                                                                         if ( isFunction( then ) ) {
3580
3581                                                                                 // Special processors (notify) just wait for resolution
3582                                                                                 if ( special ) {
3583                                                                                         then.call(
3584                                                                                                 returned,
3585                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3586                                                                                                 resolve( maxDepth, deferred, Thrower, special )
3587                                                                                         );
3588
3589                                                                                 // Normal processors (resolve) also hook into progress
3590                                                                                 } else {
3591
3592                                                                                         // ...and disregard older resolution values
3593                                                                                         maxDepth++;
3594
3595                                                                                         then.call(
3596                                                                                                 returned,
3597                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3598                                                                                                 resolve( maxDepth, deferred, Thrower, special ),
3599                                                                                                 resolve( maxDepth, deferred, Identity,
3600                                                                                                         deferred.notifyWith )
3601                                                                                         );
3602                                                                                 }
3603
3604                                                                         // Handle all other returned values
3605                                                                         } else {
3606
3607                                                                                 // Only substitute handlers pass on context
3608                                                                                 // and multiple values (non-spec behavior)
3609                                                                                 if ( handler !== Identity ) {
3610                                                                                         that = undefined;
3611                                                                                         args = [ returned ];
3612                                                                                 }
3613
3614                                                                                 // Process the value(s)
3615                                                                                 // Default process is resolve
3616                                                                                 ( special || deferred.resolveWith )( that, args );
3617                                                                         }
3618                                                                 },
3619
3620                                                                 // Only normal processors (resolve) catch and reject exceptions
3621                                                                 process = special ?
3622                                                                         mightThrow :
3623                                                                         function() {
3624                                                                                 try {
3625                                                                                         mightThrow();
3626                                                                                 } catch ( e ) {
3627
3628                                                                                         if ( jQuery.Deferred.exceptionHook ) {
3629                                                                                                 jQuery.Deferred.exceptionHook( e,
3630                                                                                                         process.stackTrace );
3631                                                                                         }
3632
3633                                                                                         // Support: Promises/A+ section 2.3.3.3.4.1
3634                                                                                         // https://promisesaplus.com/#point-61
3635                                                                                         // Ignore post-resolution exceptions
3636                                                                                         if ( depth + 1 >= maxDepth ) {
3637
3638                                                                                                 // Only substitute handlers pass on context
3639                                                                                                 // and multiple values (non-spec behavior)
3640                                                                                                 if ( handler !== Thrower ) {
3641                                                                                                         that = undefined;
3642                                                                                                         args = [ e ];
3643                                                                                                 }
3644
3645                                                                                                 deferred.rejectWith( that, args );
3646                                                                                         }
3647                                                                                 }
3648                                                                         };
3649
3650                                                         // Support: Promises/A+ section 2.3.3.3.1
3651                                                         // https://promisesaplus.com/#point-57
3652                                                         // Re-resolve promises immediately to dodge false rejection from
3653                                                         // subsequent errors
3654                                                         if ( depth ) {
3655                                                                 process();
3656                                                         } else {
3657
3658                                                                 // Call an optional hook to record the stack, in case of exception
3659                                                                 // since it's otherwise lost when execution goes async
3660                                                                 if ( jQuery.Deferred.getStackHook ) {
3661                                                                         process.stackTrace = jQuery.Deferred.getStackHook();
3662                                                                 }
3663                                                                 window.setTimeout( process );
3664                                                         }
3665                                                 };
3666                                         }
3667
3668                                         return jQuery.Deferred( function( newDefer ) {
3669
3670                                                 // progress_handlers.add( ... )
3671                                                 tuples[ 0 ][ 3 ].add(
3672                                                         resolve(
3673                                                                 0,
3674                                                                 newDefer,
3675                                                                 isFunction( onProgress ) ?
3676                                                                         onProgress :
3677                                                                         Identity,
3678                                                                 newDefer.notifyWith
3679                                                         )
3680                                                 );
3681
3682                                                 // fulfilled_handlers.add( ... )
3683                                                 tuples[ 1 ][ 3 ].add(
3684                                                         resolve(
3685                                                                 0,
3686                                                                 newDefer,
3687                                                                 isFunction( onFulfilled ) ?
3688                                                                         onFulfilled :
3689                                                                         Identity
3690                                                         )
3691                                                 );
3692
3693                                                 // rejected_handlers.add( ... )
3694                                                 tuples[ 2 ][ 3 ].add(
3695                                                         resolve(
3696                                                                 0,
3697                                                                 newDefer,
3698                                                                 isFunction( onRejected ) ?
3699                                                                         onRejected :
3700                                                                         Thrower
3701                                                         )
3702                                                 );
3703                                         } ).promise();
3704                                 },
3705
3706                                 // Get a promise for this deferred
3707                                 // If obj is provided, the promise aspect is added to the object
3708                                 promise: function( obj ) {
3709                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3710                                 }
3711                         },
3712                         deferred = {};
3713
3714                 // Add list-specific methods
3715                 jQuery.each( tuples, function( i, tuple ) {
3716                         var list = tuple[ 2 ],
3717                                 stateString = tuple[ 5 ];
3718
3719                         // promise.progress = list.add
3720                         // promise.done = list.add
3721                         // promise.fail = list.add
3722                         promise[ tuple[ 1 ] ] = list.add;
3723
3724                         // Handle state
3725                         if ( stateString ) {
3726                                 list.add(
3727                                         function() {
3728
3729                                                 // state = "resolved" (i.e., fulfilled)
3730                                                 // state = "rejected"
3731                                                 state = stateString;
3732                                         },
3733
3734                                         // rejected_callbacks.disable
3735                                         // fulfilled_callbacks.disable
3736                                         tuples[ 3 - i ][ 2 ].disable,
3737
3738                                         // rejected_handlers.disable
3739                                         // fulfilled_handlers.disable
3740                                         tuples[ 3 - i ][ 3 ].disable,
3741
3742                                         // progress_callbacks.lock
3743                                         tuples[ 0 ][ 2 ].lock,
3744
3745                                         // progress_handlers.lock
3746                                         tuples[ 0 ][ 3 ].lock
3747                                 );
3748                         }
3749
3750                         // progress_handlers.fire
3751                         // fulfilled_handlers.fire
3752                         // rejected_handlers.fire
3753                         list.add( tuple[ 3 ].fire );
3754
3755                         // deferred.notify = function() { deferred.notifyWith(...) }
3756                         // deferred.resolve = function() { deferred.resolveWith(...) }
3757                         // deferred.reject = function() { deferred.rejectWith(...) }
3758                         deferred[ tuple[ 0 ] ] = function() {
3759                                 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3760                                 return this;
3761                         };
3762
3763                         // deferred.notifyWith = list.fireWith
3764                         // deferred.resolveWith = list.fireWith
3765                         // deferred.rejectWith = list.fireWith
3766                         deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3767                 } );
3768
3769                 // Make the deferred a promise
3770                 promise.promise( deferred );
3771
3772                 // Call given func if any
3773                 if ( func ) {
3774                         func.call( deferred, deferred );
3775                 }
3776
3777                 // All done!
3778                 return deferred;
3779         },
3780
3781         // Deferred helper
3782         when: function( singleValue ) {
3783                 var
3784
3785                         // count of uncompleted subordinates
3786                         remaining = arguments.length,
3787
3788                         // count of unprocessed arguments
3789                         i = remaining,
3790
3791                         // subordinate fulfillment data
3792                         resolveContexts = Array( i ),
3793                         resolveValues = slice.call( arguments ),
3794
3795                         // the master Deferred
3796                         master = jQuery.Deferred(),
3797
3798                         // subordinate callback factory
3799                         updateFunc = function( i ) {
3800                                 return function( value ) {
3801                                         resolveContexts[ i ] = this;
3802                                         resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3803                                         if ( !( --remaining ) ) {
3804                                                 master.resolveWith( resolveContexts, resolveValues );
3805                                         }
3806                                 };
3807                         };
3808
3809                 // Single- and empty arguments are adopted like Promise.resolve
3810                 if ( remaining <= 1 ) {
3811                         adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3812                                 !remaining );
3813
3814                         // Use .then() to unwrap secondary thenables (cf. gh-3000)
3815                         if ( master.state() === "pending" ||
3816                                 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3817
3818                                 return master.then();
3819                         }
3820                 }
3821
3822                 // Multiple arguments are aggregated like Promise.all array elements
3823                 while ( i-- ) {
3824                         adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3825                 }
3826
3827                 return master.promise();
3828         }
3829 } );
3830
3831
3832 // These usually indicate a programmer mistake during development,
3833 // warn about them ASAP rather than swallowing them by default.
3834 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3835
3836 jQuery.Deferred.exceptionHook = function( error, stack ) {
3837
3838         // Support: IE 8 - 9 only
3839         // Console exists when dev tools are open, which can happen at any time
3840         if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3841                 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3842         }
3843 };
3844
3845
3846
3847
3848 jQuery.readyException = function( error ) {
3849         window.setTimeout( function() {
3850                 throw error;
3851         } );
3852 };
3853
3854
3855
3856
3857 // The deferred used on DOM ready
3858 var readyList = jQuery.Deferred();
3859
3860 jQuery.fn.ready = function( fn ) {
3861
3862         readyList
3863                 .then( fn )
3864
3865                 // Wrap jQuery.readyException in a function so that the lookup
3866                 // happens at the time of error handling instead of callback
3867                 // registration.
3868                 .catch( function( error ) {
3869                         jQuery.readyException( error );
3870                 } );
3871
3872         return this;
3873 };
3874
3875 jQuery.extend( {
3876
3877         // Is the DOM ready to be used? Set to true once it occurs.
3878         isReady: false,
3879
3880         // A counter to track how many items to wait for before
3881         // the ready event fires. See #6781
3882         readyWait: 1,
3883
3884         // Handle when the DOM is ready
3885         ready: function( wait ) {
3886
3887                 // Abort if there are pending holds or we're already ready
3888                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3889                         return;
3890                 }
3891
3892                 // Remember that the DOM is ready
3893                 jQuery.isReady = true;
3894
3895                 // If a normal DOM Ready event fired, decrement, and wait if need be
3896                 if ( wait !== true && --jQuery.readyWait > 0 ) {
3897                         return;
3898                 }
3899
3900                 // If there are functions bound, to execute
3901                 readyList.resolveWith( document, [ jQuery ] );
3902         }
3903 } );
3904
3905 jQuery.ready.then = readyList.then;
3906
3907 // The ready event handler and self cleanup method
3908 function completed() {
3909         document.removeEventListener( "DOMContentLoaded", completed );
3910         window.removeEventListener( "load", completed );
3911         jQuery.ready();
3912 }
3913
3914 // Catch cases where $(document).ready() is called
3915 // after the browser event has already occurred.
3916 // Support: IE <=9 - 10 only
3917 // Older IE sometimes signals "interactive" too soon
3918 if ( document.readyState === "complete" ||
3919         ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3920
3921         // Handle it asynchronously to allow scripts the opportunity to delay ready
3922         window.setTimeout( jQuery.ready );
3923
3924 } else {
3925
3926         // Use the handy event callback
3927         document.addEventListener( "DOMContentLoaded", completed );
3928
3929         // A fallback to window.onload, that will always work
3930         window.addEventListener( "load", completed );
3931 }
3932
3933
3934
3935
3936 // Multifunctional method to get and set values of a collection
3937 // The value/s can optionally be executed if it's a function
3938 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3939         var i = 0,
3940                 len = elems.length,
3941                 bulk = key == null;
3942
3943         // Sets many values
3944         if ( toType( key ) === "object" ) {
3945                 chainable = true;
3946                 for ( i in key ) {
3947                         access( elems, fn, i, key[ i ], true, emptyGet, raw );
3948                 }
3949
3950         // Sets one value
3951         } else if ( value !== undefined ) {
3952                 chainable = true;
3953
3954                 if ( !isFunction( value ) ) {
3955                         raw = true;
3956                 }
3957
3958                 if ( bulk ) {
3959
3960                         // Bulk operations run against the entire set
3961                         if ( raw ) {
3962                                 fn.call( elems, value );
3963                                 fn = null;
3964
3965                         // ...except when executing function values
3966                         } else {
3967                                 bulk = fn;
3968                                 fn = function( elem, key, value ) {
3969                                         return bulk.call( jQuery( elem ), value );
3970                                 };
3971                         }
3972                 }
3973
3974                 if ( fn ) {
3975                         for ( ; i < len; i++ ) {
3976                                 fn(
3977                                         elems[ i ], key, raw ?
3978                                         value :
3979                                         value.call( elems[ i ], i, fn( elems[ i ], key ) )
3980                                 );
3981                         }
3982                 }
3983         }
3984
3985         if ( chainable ) {
3986                 return elems;
3987         }
3988
3989         // Gets
3990         if ( bulk ) {
3991                 return fn.call( elems );
3992         }
3993
3994         return len ? fn( elems[ 0 ], key ) : emptyGet;
3995 };
3996
3997
3998 // Matches dashed string for camelizing
3999 var rmsPrefix = /^-ms-/,
4000         rdashAlpha = /-([a-z])/g;
4001
4002 // Used by camelCase as callback to replace()
4003 function fcamelCase( all, letter ) {
4004         return letter.toUpperCase();
4005 }
4006
4007 // Convert dashed to camelCase; used by the css and data modules
4008 // Support: IE <=9 - 11, Edge 12 - 15
4009 // Microsoft forgot to hump their vendor prefix (#9572)
4010 function camelCase( string ) {
4011         return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4012 }
4013 var acceptData = function( owner ) {
4014
4015         // Accepts only:
4016         //  - Node
4017         //    - Node.ELEMENT_NODE
4018         //    - Node.DOCUMENT_NODE
4019         //  - Object
4020         //    - Any
4021         return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4022 };
4023
4024
4025
4026
4027 function Data() {
4028         this.expando = jQuery.expando + Data.uid++;
4029 }
4030
4031 Data.uid = 1;
4032
4033 Data.prototype = {
4034
4035         cache: function( owner ) {
4036
4037                 // Check if the owner object already has a cache
4038                 var value = owner[ this.expando ];
4039
4040                 // If not, create one
4041                 if ( !value ) {
4042                         value = {};
4043
4044                         // We can accept data for non-element nodes in modern browsers,
4045                         // but we should not, see #8335.
4046                         // Always return an empty object.
4047                         if ( acceptData( owner ) ) {
4048
4049                                 // If it is a node unlikely to be stringify-ed or looped over
4050                                 // use plain assignment
4051                                 if ( owner.nodeType ) {
4052                                         owner[ this.expando ] = value;
4053
4054                                 // Otherwise secure it in a non-enumerable property
4055                                 // configurable must be true to allow the property to be
4056                                 // deleted when data is removed
4057                                 } else {
4058                                         Object.defineProperty( owner, this.expando, {
4059                                                 value: value,
4060                                                 configurable: true
4061                                         } );
4062                                 }
4063                         }
4064                 }
4065
4066                 return value;
4067         },
4068         set: function( owner, data, value ) {
4069                 var prop,
4070                         cache = this.cache( owner );
4071
4072                 // Handle: [ owner, key, value ] args
4073                 // Always use camelCase key (gh-2257)
4074                 if ( typeof data === "string" ) {
4075                         cache[ camelCase( data ) ] = value;
4076
4077                 // Handle: [ owner, { properties } ] args
4078                 } else {
4079
4080                         // Copy the properties one-by-one to the cache object
4081                         for ( prop in data ) {
4082                                 cache[ camelCase( prop ) ] = data[ prop ];
4083                         }
4084                 }
4085                 return cache;
4086         },
4087         get: function( owner, key ) {
4088                 return key === undefined ?
4089                         this.cache( owner ) :
4090
4091                         // Always use camelCase key (gh-2257)
4092                         owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4093         },
4094         access: function( owner, key, value ) {
4095
4096                 // In cases where either:
4097                 //
4098                 //   1. No key was specified
4099                 //   2. A string key was specified, but no value provided
4100                 //
4101                 // Take the "read" path and allow the get method to determine
4102                 // which value to return, respectively either:
4103                 //
4104                 //   1. The entire cache object
4105                 //   2. The data stored at the key
4106                 //
4107                 if ( key === undefined ||
4108                                 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4109
4110                         return this.get( owner, key );
4111                 }
4112
4113                 // When the key is not a string, or both a key and value
4114                 // are specified, set or extend (existing objects) with either:
4115                 //
4116                 //   1. An object of properties
4117                 //   2. A key and value
4118                 //
4119                 this.set( owner, key, value );
4120
4121                 // Since the "set" path can have two possible entry points
4122                 // return the expected data based on which path was taken[*]
4123                 return value !== undefined ? value : key;
4124         },
4125         remove: function( owner, key ) {
4126                 var i,
4127                         cache = owner[ this.expando ];
4128
4129                 if ( cache === undefined ) {
4130                         return;
4131                 }
4132
4133                 if ( key !== undefined ) {
4134
4135                         // Support array or space separated string of keys
4136                         if ( Array.isArray( key ) ) {
4137
4138                                 // If key is an array of keys...
4139                                 // We always set camelCase keys, so remove that.
4140                                 key = key.map( camelCase );
4141                         } else {
4142                                 key = camelCase( key );
4143
4144                                 // If a key with the spaces exists, use it.
4145                                 // Otherwise, create an array by matching non-whitespace
4146                                 key = key in cache ?
4147                                         [ key ] :
4148                                         ( key.match( rnothtmlwhite ) || [] );
4149                         }
4150
4151                         i = key.length;
4152
4153                         while ( i-- ) {
4154                                 delete cache[ key[ i ] ];
4155                         }
4156                 }
4157
4158                 // Remove the expando if there's no more data
4159                 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4160
4161                         // Support: Chrome <=35 - 45
4162                         // Webkit & Blink performance suffers when deleting properties
4163                         // from DOM nodes, so set to undefined instead
4164                         // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4165                         if ( owner.nodeType ) {
4166                                 owner[ this.expando ] = undefined;
4167                         } else {
4168                                 delete owner[ this.expando ];
4169                         }
4170                 }
4171         },
4172         hasData: function( owner ) {
4173                 var cache = owner[ this.expando ];
4174                 return cache !== undefined && !jQuery.isEmptyObject( cache );
4175         }
4176 };
4177 var dataPriv = new Data();
4178
4179 var dataUser = new Data();
4180
4181
4182
4183 //      Implementation Summary
4184 //
4185 //      1. Enforce API surface and semantic compatibility with 1.9.x branch
4186 //      2. Improve the module's maintainability by reducing the storage
4187 //              paths to a single mechanism.
4188 //      3. Use the same single mechanism to support "private" and "user" data.
4189 //      4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4190 //      5. Avoid exposing implementation details on user objects (eg. expando properties)
4191 //      6. Provide a clear path for implementation upgrade to WeakMap in 2014
4192
4193 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4194         rmultiDash = /[A-Z]/g;
4195
4196 function getData( data ) {
4197         if ( data === "true" ) {
4198                 return true;
4199         }
4200
4201         if ( data === "false" ) {
4202                 return false;
4203         }
4204
4205         if ( data === "null" ) {
4206                 return null;
4207         }
4208
4209         // Only convert to a number if it doesn't change the string
4210         if ( data === +data + "" ) {
4211                 return +data;
4212         }
4213
4214         if ( rbrace.test( data ) ) {
4215                 return JSON.parse( data );
4216         }
4217
4218         return data;
4219 }
4220
4221 function dataAttr( elem, key, data ) {
4222         var name;
4223
4224         // If nothing was found internally, try to fetch any
4225         // data from the HTML5 data-* attribute
4226         if ( data === undefined && elem.nodeType === 1 ) {
4227                 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4228                 data = elem.getAttribute( name );
4229
4230                 if ( typeof data === "string" ) {
4231                         try {
4232                                 data = getData( data );
4233                         } catch ( e ) {}
4234
4235                         // Make sure we set the data so it isn't changed later
4236                         dataUser.set( elem, key, data );
4237                 } else {
4238                         data = undefined;
4239                 }
4240         }
4241         return data;
4242 }
4243
4244 jQuery.extend( {
4245         hasData: function( elem ) {
4246                 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4247         },
4248
4249         data: function( elem, name, data ) {
4250                 return dataUser.access( elem, name, data );
4251         },
4252
4253         removeData: function( elem, name ) {
4254                 dataUser.remove( elem, name );
4255         },
4256
4257         // TODO: Now that all calls to _data and _removeData have been replaced
4258         // with direct calls to dataPriv methods, these can be deprecated.
4259         _data: function( elem, name, data ) {
4260                 return dataPriv.access( elem, name, data );
4261         },
4262
4263         _removeData: function( elem, name ) {
4264                 dataPriv.remove( elem, name );
4265         }
4266 } );
4267
4268 jQuery.fn.extend( {
4269         data: function( key, value ) {
4270                 var i, name, data,
4271                         elem = this[ 0 ],
4272                         attrs = elem && elem.attributes;
4273
4274                 // Gets all values
4275                 if ( key === undefined ) {
4276                         if ( this.length ) {
4277                                 data = dataUser.get( elem );
4278
4279                                 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4280                                         i = attrs.length;
4281                                         while ( i-- ) {
4282
4283                                                 // Support: IE 11 only
4284                                                 // The attrs elements can be null (#14894)
4285                                                 if ( attrs[ i ] ) {
4286                                                         name = attrs[ i ].name;
4287                                                         if ( name.indexOf( "data-" ) === 0 ) {
4288                                                                 name = camelCase( name.slice( 5 ) );
4289                                                                 dataAttr( elem, name, data[ name ] );
4290                                                         }
4291                                                 }
4292                                         }
4293                                         dataPriv.set( elem, "hasDataAttrs", true );
4294                                 }
4295                         }
4296
4297                         return data;
4298                 }
4299
4300                 // Sets multiple values
4301                 if ( typeof key === "object" ) {
4302                         return this.each( function() {
4303                                 dataUser.set( this, key );
4304                         } );
4305                 }
4306
4307                 return access( this, function( value ) {
4308                         var data;
4309
4310                         // The calling jQuery object (element matches) is not empty
4311                         // (and therefore has an element appears at this[ 0 ]) and the
4312                         // `value` parameter was not undefined. An empty jQuery object
4313                         // will result in `undefined` for elem = this[ 0 ] which will
4314                         // throw an exception if an attempt to read a data cache is made.
4315                         if ( elem && value === undefined ) {
4316
4317                                 // Attempt to get data from the cache
4318                                 // The key will always be camelCased in Data
4319                                 data = dataUser.get( elem, key );
4320                                 if ( data !== undefined ) {
4321                                         return data;
4322                                 }
4323
4324                                 // Attempt to "discover" the data in
4325                                 // HTML5 custom data-* attrs
4326                                 data = dataAttr( elem, key );
4327                                 if ( data !== undefined ) {
4328                                         return data;
4329                                 }
4330
4331                                 // We tried really hard, but the data doesn't exist.
4332                                 return;
4333                         }
4334
4335                         // Set the data...
4336                         this.each( function() {
4337
4338                                 // We always store the camelCased key
4339                                 dataUser.set( this, key, value );
4340                         } );
4341                 }, null, value, arguments.length > 1, null, true );
4342         },
4343
4344         removeData: function( key ) {
4345                 return this.each( function() {
4346                         dataUser.remove( this, key );
4347                 } );
4348         }
4349 } );
4350
4351
4352 jQuery.extend( {
4353         queue: function( elem, type, data ) {
4354                 var queue;
4355
4356                 if ( elem ) {
4357                         type = ( type || "fx" ) + "queue";
4358                         queue = dataPriv.get( elem, type );
4359
4360                         // Speed up dequeue by getting out quickly if this is just a lookup
4361                         if ( data ) {
4362                                 if ( !queue || Array.isArray( data ) ) {
4363                                         queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4364                                 } else {
4365                                         queue.push( data );
4366                                 }
4367                         }
4368                         return queue || [];
4369                 }
4370         },
4371
4372         dequeue: function( elem, type ) {
4373                 type = type || "fx";
4374
4375                 var queue = jQuery.queue( elem, type ),
4376                         startLength = queue.length,
4377                         fn = queue.shift(),
4378                         hooks = jQuery._queueHooks( elem, type ),
4379                         next = function() {
4380                                 jQuery.dequeue( elem, type );
4381                         };
4382
4383                 // If the fx queue is dequeued, always remove the progress sentinel
4384                 if ( fn === "inprogress" ) {
4385                         fn = queue.shift();
4386                         startLength--;
4387                 }
4388
4389                 if ( fn ) {
4390
4391                         // Add a progress sentinel to prevent the fx queue from being
4392                         // automatically dequeued
4393                         if ( type === "fx" ) {
4394                                 queue.unshift( "inprogress" );
4395                         }
4396
4397                         // Clear up the last queue stop function
4398                         delete hooks.stop;
4399                         fn.call( elem, next, hooks );
4400                 }
4401
4402                 if ( !startLength && hooks ) {
4403                         hooks.empty.fire();
4404                 }
4405         },
4406
4407         // Not public - generate a queueHooks object, or return the current one
4408         _queueHooks: function( elem, type ) {
4409                 var key = type + "queueHooks";
4410                 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4411                         empty: jQuery.Callbacks( "once memory" ).add( function() {
4412                                 dataPriv.remove( elem, [ type + "queue", key ] );
4413                         } )
4414                 } );
4415         }
4416 } );
4417
4418 jQuery.fn.extend( {
4419         queue: function( type, data ) {
4420                 var setter = 2;
4421
4422                 if ( typeof type !== "string" ) {
4423                         data = type;
4424                         type = "fx";
4425                         setter--;
4426                 }
4427
4428                 if ( arguments.length < setter ) {
4429                         return jQuery.queue( this[ 0 ], type );
4430                 }
4431
4432                 return data === undefined ?
4433                         this :
4434                         this.each( function() {
4435                                 var queue = jQuery.queue( this, type, data );
4436
4437                                 // Ensure a hooks for this queue
4438                                 jQuery._queueHooks( this, type );
4439
4440                                 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4441                                         jQuery.dequeue( this, type );
4442                                 }
4443                         } );
4444         },
4445         dequeue: function( type ) {
4446                 return this.each( function() {
4447                         jQuery.dequeue( this, type );
4448                 } );
4449         },
4450         clearQueue: function( type ) {
4451                 return this.queue( type || "fx", [] );
4452         },
4453
4454         // Get a promise resolved when queues of a certain type
4455         // are emptied (fx is the type by default)
4456         promise: function( type, obj ) {
4457                 var tmp,
4458                         count = 1,
4459                         defer = jQuery.Deferred(),
4460                         elements = this,
4461                         i = this.length,
4462                         resolve = function() {
4463                                 if ( !( --count ) ) {
4464                                         defer.resolveWith( elements, [ elements ] );
4465                                 }
4466                         };
4467
4468                 if ( typeof type !== "string" ) {
4469                         obj = type;
4470                         type = undefined;
4471                 }
4472                 type = type || "fx";
4473
4474                 while ( i-- ) {
4475                         tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4476                         if ( tmp && tmp.empty ) {
4477                                 count++;
4478                                 tmp.empty.add( resolve );
4479                         }
4480                 }
4481                 resolve();
4482                 return defer.promise( obj );
4483         }
4484 } );
4485 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4486
4487 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4488
4489
4490 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4491
4492 var documentElement = document.documentElement;
4493
4494
4495
4496         var isAttached = function( elem ) {
4497                         return jQuery.contains( elem.ownerDocument, elem );
4498                 },
4499                 composed = { composed: true };
4500
4501         // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4502         // Check attachment across shadow DOM boundaries when possible (gh-3504)
4503         // Support: iOS 10.0-10.2 only
4504         // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4505         // leading to errors. We need to check for `getRootNode`.
4506         if ( documentElement.getRootNode ) {
4507                 isAttached = function( elem ) {
4508                         return jQuery.contains( elem.ownerDocument, elem ) ||
4509                                 elem.getRootNode( composed ) === elem.ownerDocument;
4510                 };
4511         }
4512 var isHiddenWithinTree = function( elem, el ) {
4513
4514                 // isHiddenWithinTree might be called from jQuery#filter function;
4515                 // in that case, element will be second argument
4516                 elem = el || elem;
4517
4518                 // Inline style trumps all
4519                 return elem.style.display === "none" ||
4520                         elem.style.display === "" &&
4521
4522                         // Otherwise, check computed style
4523                         // Support: Firefox <=43 - 45
4524                         // Disconnected elements can have computed display: none, so first confirm that elem is
4525                         // in the document.
4526                         isAttached( elem ) &&
4527
4528                         jQuery.css( elem, "display" ) === "none";
4529         };
4530
4531 var swap = function( elem, options, callback, args ) {
4532         var ret, name,
4533                 old = {};
4534
4535         // Remember the old values, and insert the new ones
4536         for ( name in options ) {
4537                 old[ name ] = elem.style[ name ];
4538                 elem.style[ name ] = options[ name ];
4539         }
4540
4541         ret = callback.apply( elem, args || [] );
4542
4543         // Revert the old values
4544         for ( name in options ) {
4545                 elem.style[ name ] = old[ name ];
4546         }
4547
4548         return ret;
4549 };
4550
4551
4552
4553
4554 function adjustCSS( elem, prop, valueParts, tween ) {
4555         var adjusted, scale,
4556                 maxIterations = 20,
4557                 currentValue = tween ?
4558                         function() {
4559                                 return tween.cur();
4560                         } :
4561                         function() {
4562                                 return jQuery.css( elem, prop, "" );
4563                         },
4564                 initial = currentValue(),
4565                 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4566
4567                 // Starting value computation is required for potential unit mismatches
4568                 initialInUnit = elem.nodeType &&
4569                         ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4570                         rcssNum.exec( jQuery.css( elem, prop ) );
4571
4572         if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4573
4574                 // Support: Firefox <=54
4575                 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4576                 initial = initial / 2;
4577
4578                 // Trust units reported by jQuery.css
4579                 unit = unit || initialInUnit[ 3 ];
4580
4581                 // Iteratively approximate from a nonzero starting point
4582                 initialInUnit = +initial || 1;
4583
4584                 while ( maxIterations-- ) {
4585
4586                         // Evaluate and update our best guess (doubling guesses that zero out).
4587                         // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4588                         jQuery.style( elem, prop, initialInUnit + unit );
4589                         if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4590                                 maxIterations = 0;
4591                         }
4592                         initialInUnit = initialInUnit / scale;
4593
4594                 }
4595
4596                 initialInUnit = initialInUnit * 2;
4597                 jQuery.style( elem, prop, initialInUnit + unit );
4598
4599                 // Make sure we update the tween properties later on
4600                 valueParts = valueParts || [];
4601         }
4602
4603         if ( valueParts ) {
4604                 initialInUnit = +initialInUnit || +initial || 0;
4605
4606                 // Apply relative offset (+=/-=) if specified
4607                 adjusted = valueParts[ 1 ] ?
4608                         initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4609                         +valueParts[ 2 ];
4610                 if ( tween ) {
4611                         tween.unit = unit;
4612                         tween.start = initialInUnit;
4613                         tween.end = adjusted;
4614                 }
4615         }
4616         return adjusted;
4617 }
4618
4619
4620 var defaultDisplayMap = {};
4621
4622 function getDefaultDisplay( elem ) {
4623         var temp,
4624                 doc = elem.ownerDocument,
4625                 nodeName = elem.nodeName,
4626                 display = defaultDisplayMap[ nodeName ];
4627
4628         if ( display ) {
4629                 return display;
4630         }
4631
4632         temp = doc.body.appendChild( doc.createElement( nodeName ) );
4633         display = jQuery.css( temp, "display" );
4634
4635         temp.parentNode.removeChild( temp );
4636
4637         if ( display === "none" ) {
4638                 display = "block";
4639         }
4640         defaultDisplayMap[ nodeName ] = display;
4641
4642         return display;
4643 }
4644
4645 function showHide( elements, show ) {
4646         var display, elem,
4647                 values = [],
4648                 index = 0,
4649                 length = elements.length;
4650
4651         // Determine new display value for elements that need to change
4652         for ( ; index < length; index++ ) {
4653                 elem = elements[ index ];
4654                 if ( !elem.style ) {
4655                         continue;
4656                 }
4657
4658                 display = elem.style.display;
4659                 if ( show ) {
4660
4661                         // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4662                         // check is required in this first loop unless we have a nonempty display value (either
4663                         // inline or about-to-be-restored)
4664                         if ( display === "none" ) {
4665                                 values[ index ] = dataPriv.get( elem, "display" ) || null;
4666                                 if ( !values[ index ] ) {
4667                                         elem.style.display = "";
4668                                 }
4669                         }
4670                         if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4671                                 values[ index ] = getDefaultDisplay( elem );
4672                         }
4673                 } else {
4674                         if ( display !== "none" ) {
4675                                 values[ index ] = "none";
4676
4677                                 // Remember what we're overwriting
4678                                 dataPriv.set( elem, "display", display );
4679                         }
4680                 }
4681         }
4682
4683         // Set the display of the elements in a second loop to avoid constant reflow
4684         for ( index = 0; index < length; index++ ) {
4685                 if ( values[ index ] != null ) {
4686                         elements[ index ].style.display = values[ index ];
4687                 }
4688         }
4689
4690         return elements;
4691 }
4692
4693 jQuery.fn.extend( {
4694         show: function() {
4695                 return showHide( this, true );
4696         },
4697         hide: function() {
4698                 return showHide( this );
4699         },
4700         toggle: function( state ) {
4701                 if ( typeof state === "boolean" ) {
4702                         return state ? this.show() : this.hide();
4703                 }
4704
4705                 return this.each( function() {
4706                         if ( isHiddenWithinTree( this ) ) {
4707                                 jQuery( this ).show();
4708                         } else {
4709                                 jQuery( this ).hide();
4710                         }
4711                 } );
4712         }
4713 } );
4714 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4715
4716 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4717
4718 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4719
4720
4721
4722 // We have to close these tags to support XHTML (#13200)
4723 var wrapMap = {
4724
4725         // Support: IE <=9 only
4726         option: [ 1, "<select multiple='multiple'>", "</select>" ],
4727
4728         // XHTML parsers do not magically insert elements in the
4729         // same way that tag soup parsers do. So we cannot shorten
4730         // this by omitting <tbody> or other required elements.
4731         thead: [ 1, "<table>", "</table>" ],
4732         col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4733         tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4734         td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4735
4736         _default: [ 0, "", "" ]
4737 };
4738
4739 // Support: IE <=9 only
4740 wrapMap.optgroup = wrapMap.option;
4741
4742 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4743 wrapMap.th = wrapMap.td;
4744
4745
4746 function getAll( context, tag ) {
4747
4748         // Support: IE <=9 - 11 only
4749         // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4750         var ret;
4751
4752         if ( typeof context.getElementsByTagName !== "undefined" ) {
4753                 ret = context.getElementsByTagName( tag || "*" );
4754
4755         } else if ( typeof context.querySelectorAll !== "undefined" ) {
4756                 ret = context.querySelectorAll( tag || "*" );
4757
4758         } else {
4759                 ret = [];
4760         }
4761
4762         if ( tag === undefined || tag && nodeName( context, tag ) ) {
4763                 return jQuery.merge( [ context ], ret );
4764         }
4765
4766         return ret;
4767 }
4768
4769
4770 // Mark scripts as having already been evaluated
4771 function setGlobalEval( elems, refElements ) {
4772         var i = 0,
4773                 l = elems.length;
4774
4775         for ( ; i < l; i++ ) {
4776                 dataPriv.set(
4777                         elems[ i ],
4778                         "globalEval",
4779                         !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4780                 );
4781         }
4782 }
4783
4784
4785 var rhtml = /<|&#?\w+;/;
4786
4787 function buildFragment( elems, context, scripts, selection, ignored ) {
4788         var elem, tmp, tag, wrap, attached, j,
4789                 fragment = context.createDocumentFragment(),
4790                 nodes = [],
4791                 i = 0,
4792                 l = elems.length;
4793
4794         for ( ; i < l; i++ ) {
4795                 elem = elems[ i ];
4796
4797                 if ( elem || elem === 0 ) {
4798
4799                         // Add nodes directly
4800                         if ( toType( elem ) === "object" ) {
4801
4802                                 // Support: Android <=4.0 only, PhantomJS 1 only
4803                                 // push.apply(_, arraylike) throws on ancient WebKit
4804                                 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4805
4806                         // Convert non-html into a text node
4807                         } else if ( !rhtml.test( elem ) ) {
4808                                 nodes.push( context.createTextNode( elem ) );
4809
4810                         // Convert html into DOM nodes
4811                         } else {
4812                                 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4813
4814                                 // Deserialize a standard representation
4815                                 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4816                                 wrap = wrapMap[ tag ] || wrapMap._default;
4817                                 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4818
4819                                 // Descend through wrappers to the right content
4820                                 j = wrap[ 0 ];
4821                                 while ( j-- ) {
4822                                         tmp = tmp.lastChild;
4823                                 }
4824
4825                                 // Support: Android <=4.0 only, PhantomJS 1 only
4826                                 // push.apply(_, arraylike) throws on ancient WebKit
4827                                 jQuery.merge( nodes, tmp.childNodes );
4828
4829                                 // Remember the top-level container
4830                                 tmp = fragment.firstChild;
4831
4832                                 // Ensure the created nodes are orphaned (#12392)
4833                                 tmp.textContent = "";
4834                         }
4835                 }
4836         }
4837
4838         // Remove wrapper from fragment
4839         fragment.textContent = "";
4840
4841         i = 0;
4842         while ( ( elem = nodes[ i++ ] ) ) {
4843
4844                 // Skip elements already in the context collection (trac-4087)
4845                 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4846                         if ( ignored ) {
4847                                 ignored.push( elem );
4848                         }
4849                         continue;
4850                 }
4851
4852                 attached = isAttached( elem );
4853
4854                 // Append to fragment
4855                 tmp = getAll( fragment.appendChild( elem ), "script" );
4856
4857                 // Preserve script evaluation history
4858                 if ( attached ) {
4859                         setGlobalEval( tmp );
4860                 }
4861
4862                 // Capture executables
4863                 if ( scripts ) {
4864                         j = 0;
4865                         while ( ( elem = tmp[ j++ ] ) ) {
4866                                 if ( rscriptType.test( elem.type || "" ) ) {
4867                                         scripts.push( elem );
4868                                 }
4869                         }
4870                 }
4871         }
4872
4873         return fragment;
4874 }
4875
4876
4877 ( function() {
4878         var fragment = document.createDocumentFragment(),
4879                 div = fragment.appendChild( document.createElement( "div" ) ),
4880                 input = document.createElement( "input" );
4881
4882         // Support: Android 4.0 - 4.3 only
4883         // Check state lost if the name is set (#11217)
4884         // Support: Windows Web Apps (WWA)
4885         // `name` and `type` must use .setAttribute for WWA (#14901)
4886         input.setAttribute( "type", "radio" );
4887         input.setAttribute( "checked", "checked" );
4888         input.setAttribute( "name", "t" );
4889
4890         div.appendChild( input );
4891
4892         // Support: Android <=4.1 only
4893         // Older WebKit doesn't clone checked state correctly in fragments
4894         support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4895
4896         // Support: IE <=11 only
4897         // Make sure textarea (and checkbox) defaultValue is properly cloned
4898         div.innerHTML = "<textarea>x</textarea>";
4899         support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4900 } )();
4901
4902
4903 var
4904         rkeyEvent = /^key/,
4905         rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4906         rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4907
4908 function returnTrue() {
4909         return true;
4910 }
4911
4912 function returnFalse() {
4913         return false;
4914 }
4915
4916 // Support: IE <=9 - 11+
4917 // focus() and blur() are asynchronous, except when they are no-op.
4918 // So expect focus to be synchronous when the element is already active,
4919 // and blur to be synchronous when the element is not already active.
4920 // (focus and blur are always synchronous in other supported browsers,
4921 // this just defines when we can count on it).
4922 function expectSync( elem, type ) {
4923         return ( elem === safeActiveElement() ) === ( type === "focus" );
4924 }
4925
4926 // Support: IE <=9 only
4927 // Accessing document.activeElement can throw unexpectedly
4928 // https://bugs.jquery.com/ticket/13393
4929 function safeActiveElement() {
4930         try {
4931                 return document.activeElement;
4932         } catch ( err ) { }
4933 }
4934
4935 function on( elem, types, selector, data, fn, one ) {
4936         var origFn, type;
4937
4938         // Types can be a map of types/handlers
4939         if ( typeof types === "object" ) {
4940
4941                 // ( types-Object, selector, data )
4942                 if ( typeof selector !== "string" ) {
4943
4944                         // ( types-Object, data )
4945                         data = data || selector;
4946                         selector = undefined;
4947                 }
4948                 for ( type in types ) {
4949                         on( elem, type, selector, data, types[ type ], one );
4950                 }
4951                 return elem;
4952         }
4953
4954         if ( data == null && fn == null ) {
4955
4956                 // ( types, fn )
4957                 fn = selector;
4958                 data = selector = undefined;
4959         } else if ( fn == null ) {
4960                 if ( typeof selector === "string" ) {
4961
4962                         // ( types, selector, fn )
4963                         fn = data;
4964                         data = undefined;
4965                 } else {
4966
4967                         // ( types, data, fn )
4968                         fn = data;
4969                         data = selector;
4970                         selector = undefined;
4971                 }
4972         }
4973         if ( fn === false ) {
4974                 fn = returnFalse;
4975         } else if ( !fn ) {
4976                 return elem;
4977         }
4978
4979         if ( one === 1 ) {
4980                 origFn = fn;
4981                 fn = function( event ) {
4982
4983                         // Can use an empty set, since event contains the info
4984                         jQuery().off( event );
4985                         return origFn.apply( this, arguments );
4986                 };
4987
4988                 // Use same guid so caller can remove using origFn
4989                 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4990         }
4991         return elem.each( function() {
4992                 jQuery.event.add( this, types, fn, data, selector );
4993         } );
4994 }
4995
4996 /*
4997  * Helper functions for managing events -- not part of the public interface.
4998  * Props to Dean Edwards' addEvent library for many of the ideas.
4999  */
5000 jQuery.event = {
5001
5002         global: {},
5003
5004         add: function( elem, types, handler, data, selector ) {
5005
5006                 var handleObjIn, eventHandle, tmp,
5007                         events, t, handleObj,
5008                         special, handlers, type, namespaces, origType,
5009                         elemData = dataPriv.get( elem );
5010
5011                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
5012                 if ( !elemData ) {
5013                         return;
5014                 }
5015
5016                 // Caller can pass in an object of custom data in lieu of the handler
5017                 if ( handler.handler ) {
5018                         handleObjIn = handler;
5019                         handler = handleObjIn.handler;
5020                         selector = handleObjIn.selector;
5021                 }
5022
5023                 // Ensure that invalid selectors throw exceptions at attach time
5024                 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5025                 if ( selector ) {
5026                         jQuery.find.matchesSelector( documentElement, selector );
5027                 }
5028
5029                 // Make sure that the handler has a unique ID, used to find/remove it later
5030                 if ( !handler.guid ) {
5031                         handler.guid = jQuery.guid++;
5032                 }
5033
5034                 // Init the element's event structure and main handler, if this is the first
5035                 if ( !( events = elemData.events ) ) {
5036                         events = elemData.events = {};
5037                 }
5038                 if ( !( eventHandle = elemData.handle ) ) {
5039                         eventHandle = elemData.handle = function( e ) {
5040
5041                                 // Discard the second event of a jQuery.event.trigger() and
5042                                 // when an event is called after a page has unloaded
5043                                 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5044                                         jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5045                         };
5046                 }
5047
5048                 // Handle multiple events separated by a space
5049                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5050                 t = types.length;
5051                 while ( t-- ) {
5052                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5053                         type = origType = tmp[ 1 ];
5054                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5055
5056                         // There *must* be a type, no attaching namespace-only handlers
5057                         if ( !type ) {
5058                                 continue;
5059                         }
5060
5061                         // If event changes its type, use the special event handlers for the changed type
5062                         special = jQuery.event.special[ type ] || {};
5063
5064                         // If selector defined, determine special event api type, otherwise given type
5065                         type = ( selector ? special.delegateType : special.bindType ) || type;
5066
5067                         // Update special based on newly reset type
5068                         special = jQuery.event.special[ type ] || {};
5069
5070                         // handleObj is passed to all event handlers
5071                         handleObj = jQuery.extend( {
5072                                 type: type,
5073                                 origType: origType,
5074                                 data: data,
5075                                 handler: handler,
5076                                 guid: handler.guid,
5077                                 selector: selector,
5078                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5079                                 namespace: namespaces.join( "." )
5080                         }, handleObjIn );
5081
5082                         // Init the event handler queue if we're the first
5083                         if ( !( handlers = events[ type ] ) ) {
5084                                 handlers = events[ type ] = [];
5085                                 handlers.delegateCount = 0;
5086
5087                                 // Only use addEventListener if the special events handler returns false
5088                                 if ( !special.setup ||
5089                                         special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5090
5091                                         if ( elem.addEventListener ) {
5092                                                 elem.addEventListener( type, eventHandle );
5093                                         }
5094                                 }
5095                         }
5096
5097                         if ( special.add ) {
5098                                 special.add.call( elem, handleObj );
5099
5100                                 if ( !handleObj.handler.guid ) {
5101                                         handleObj.handler.guid = handler.guid;
5102                                 }
5103                         }
5104
5105                         // Add to the element's handler list, delegates in front
5106                         if ( selector ) {
5107                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
5108                         } else {
5109                                 handlers.push( handleObj );
5110                         }
5111
5112                         // Keep track of which events have ever been used, for event optimization
5113                         jQuery.event.global[ type ] = true;
5114                 }
5115
5116         },
5117
5118         // Detach an event or set of events from an element
5119         remove: function( elem, types, handler, selector, mappedTypes ) {
5120
5121                 var j, origCount, tmp,
5122                         events, t, handleObj,
5123                         special, handlers, type, namespaces, origType,
5124                         elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5125
5126                 if ( !elemData || !( events = elemData.events ) ) {
5127                         return;
5128                 }
5129
5130                 // Once for each type.namespace in types; type may be omitted
5131                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5132                 t = types.length;
5133                 while ( t-- ) {
5134                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5135                         type = origType = tmp[ 1 ];
5136                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5137
5138                         // Unbind all events (on this namespace, if provided) for the element
5139                         if ( !type ) {
5140                                 for ( type in events ) {
5141                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5142                                 }
5143                                 continue;
5144                         }
5145
5146                         special = jQuery.event.special[ type ] || {};
5147                         type = ( selector ? special.delegateType : special.bindType ) || type;
5148                         handlers = events[ type ] || [];
5149                         tmp = tmp[ 2 ] &&
5150                                 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5151
5152                         // Remove matching events
5153                         origCount = j = handlers.length;
5154                         while ( j-- ) {
5155                                 handleObj = handlers[ j ];
5156
5157                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
5158                                         ( !handler || handler.guid === handleObj.guid ) &&
5159                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
5160                                         ( !selector || selector === handleObj.selector ||
5161                                                 selector === "**" && handleObj.selector ) ) {
5162                                         handlers.splice( j, 1 );
5163
5164                                         if ( handleObj.selector ) {
5165                                                 handlers.delegateCount--;
5166                                         }
5167                                         if ( special.remove ) {
5168                                                 special.remove.call( elem, handleObj );
5169                                         }
5170                                 }
5171                         }
5172
5173                         // Remove generic event handler if we removed something and no more handlers exist
5174                         // (avoids potential for endless recursion during removal of special event handlers)
5175                         if ( origCount && !handlers.length ) {
5176                                 if ( !special.teardown ||
5177                                         special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5178
5179                                         jQuery.removeEvent( elem, type, elemData.handle );
5180                                 }
5181
5182                                 delete events[ type ];
5183                         }
5184                 }
5185
5186                 // Remove data and the expando if it's no longer used
5187                 if ( jQuery.isEmptyObject( events ) ) {
5188                         dataPriv.remove( elem, "handle events" );
5189                 }
5190         },
5191
5192         dispatch: function( nativeEvent ) {
5193
5194                 // Make a writable jQuery.Event from the native event object
5195                 var event = jQuery.event.fix( nativeEvent );
5196
5197                 var i, j, ret, matched, handleObj, handlerQueue,
5198                         args = new Array( arguments.length ),
5199                         handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5200                         special = jQuery.event.special[ event.type ] || {};
5201
5202                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5203                 args[ 0 ] = event;
5204
5205                 for ( i = 1; i < arguments.length; i++ ) {
5206                         args[ i ] = arguments[ i ];
5207                 }
5208
5209                 event.delegateTarget = this;
5210
5211                 // Call the preDispatch hook for the mapped type, and let it bail if desired
5212                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5213                         return;
5214                 }
5215
5216                 // Determine handlers
5217                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5218
5219                 // Run delegates first; they may want to stop propagation beneath us
5220                 i = 0;
5221                 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5222                         event.currentTarget = matched.elem;
5223
5224                         j = 0;
5225                         while ( ( handleObj = matched.handlers[ j++ ] ) &&
5226                                 !event.isImmediatePropagationStopped() ) {
5227
5228                                 // If the event is namespaced, then each handler is only invoked if it is
5229                                 // specially universal or its namespaces are a superset of the event's.
5230                                 if ( !event.rnamespace || handleObj.namespace === false ||
5231                                         event.rnamespace.test( handleObj.namespace ) ) {
5232
5233                                         event.handleObj = handleObj;
5234                                         event.data = handleObj.data;
5235
5236                                         ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5237                                                 handleObj.handler ).apply( matched.elem, args );
5238
5239                                         if ( ret !== undefined ) {
5240                                                 if ( ( event.result = ret ) === false ) {
5241                                                         event.preventDefault();
5242                                                         event.stopPropagation();
5243                                                 }
5244                                         }
5245                                 }
5246                         }
5247                 }
5248
5249                 // Call the postDispatch hook for the mapped type
5250                 if ( special.postDispatch ) {
5251                         special.postDispatch.call( this, event );
5252                 }
5253
5254                 return event.result;
5255         },
5256
5257         handlers: function( event, handlers ) {
5258                 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5259                         handlerQueue = [],
5260                         delegateCount = handlers.delegateCount,
5261                         cur = event.target;
5262
5263                 // Find delegate handlers
5264                 if ( delegateCount &&
5265
5266                         // Support: IE <=9
5267                         // Black-hole SVG <use> instance trees (trac-13180)
5268                         cur.nodeType &&
5269
5270                         // Support: Firefox <=42
5271                         // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5272                         // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5273                         // Support: IE 11 only
5274                         // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5275                         !( event.type === "click" && event.button >= 1 ) ) {
5276
5277                         for ( ; cur !== this; cur = cur.parentNode || this ) {
5278
5279                                 // Don't check non-elements (#13208)
5280                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5281                                 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5282                                         matchedHandlers = [];
5283                                         matchedSelectors = {};
5284                                         for ( i = 0; i < delegateCount; i++ ) {
5285                                                 handleObj = handlers[ i ];
5286
5287                                                 // Don't conflict with Object.prototype properties (#13203)
5288                                                 sel = handleObj.selector + " ";
5289
5290                                                 if ( matchedSelectors[ sel ] === undefined ) {
5291                                                         matchedSelectors[ sel ] = handleObj.needsContext ?
5292                                                                 jQuery( sel, this ).index( cur ) > -1 :
5293                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
5294                                                 }
5295                                                 if ( matchedSelectors[ sel ] ) {
5296                                                         matchedHandlers.push( handleObj );
5297                                                 }
5298                                         }
5299                                         if ( matchedHandlers.length ) {
5300                                                 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5301                                         }
5302                                 }
5303                         }
5304                 }
5305
5306                 // Add the remaining (directly-bound) handlers
5307                 cur = this;
5308                 if ( delegateCount < handlers.length ) {
5309                         handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5310                 }
5311
5312                 return handlerQueue;
5313         },
5314
5315         addProp: function( name, hook ) {
5316                 Object.defineProperty( jQuery.Event.prototype, name, {
5317                         enumerable: true,
5318                         configurable: true,
5319
5320                         get: isFunction( hook ) ?
5321                                 function() {
5322                                         if ( this.originalEvent ) {
5323                                                         return hook( this.originalEvent );
5324                                         }
5325                                 } :
5326                                 function() {
5327                                         if ( this.originalEvent ) {
5328                                                         return this.originalEvent[ name ];
5329                                         }
5330                                 },
5331
5332                         set: function( value ) {
5333                                 Object.defineProperty( this, name, {
5334                                         enumerable: true,
5335                                         configurable: true,
5336                                         writable: true,
5337                                         value: value
5338                                 } );
5339                         }
5340                 } );
5341         },
5342
5343         fix: function( originalEvent ) {
5344                 return originalEvent[ jQuery.expando ] ?
5345                         originalEvent :
5346                         new jQuery.Event( originalEvent );
5347         },
5348
5349         special: {
5350                 load: {
5351
5352                         // Prevent triggered image.load events from bubbling to window.load
5353                         noBubble: true
5354                 },
5355                 click: {
5356
5357                         // Utilize native event to ensure correct state for checkable inputs
5358                         setup: function( data ) {
5359
5360                                 // For mutual compressibility with _default, replace `this` access with a local var.
5361                                 // `|| data` is dead code meant only to preserve the variable through minification.
5362                                 var el = this || data;
5363
5364                                 // Claim the first handler
5365                                 if ( rcheckableType.test( el.type ) &&
5366                                         el.click && nodeName( el, "input" ) ) {
5367
5368                                         // dataPriv.set( el, "click", ... )
5369                                         leverageNative( el, "click", returnTrue );
5370                                 }
5371
5372                                 // Return false to allow normal processing in the caller
5373                                 return false;
5374                         },
5375                         trigger: function( data ) {
5376
5377                                 // For mutual compressibility with _default, replace `this` access with a local var.
5378                                 // `|| data` is dead code meant only to preserve the variable through minification.
5379                                 var el = this || data;
5380
5381                                 // Force setup before triggering a click
5382                                 if ( rcheckableType.test( el.type ) &&
5383                                         el.click && nodeName( el, "input" ) ) {
5384
5385                                         leverageNative( el, "click" );
5386                                 }
5387
5388                                 // Return non-false to allow normal event-path propagation
5389                                 return true;
5390                         },
5391
5392                         // For cross-browser consistency, suppress native .click() on links
5393                         // Also prevent it if we're currently inside a leveraged native-event stack
5394                         _default: function( event ) {
5395                                 var target = event.target;
5396                                 return rcheckableType.test( target.type ) &&
5397                                         target.click && nodeName( target, "input" ) &&
5398                                         dataPriv.get( target, "click" ) ||
5399                                         nodeName( target, "a" );
5400                         }
5401                 },
5402
5403                 beforeunload: {
5404                         postDispatch: function( event ) {
5405
5406                                 // Support: Firefox 20+
5407                                 // Firefox doesn't alert if the returnValue field is not set.
5408                                 if ( event.result !== undefined && event.originalEvent ) {
5409                                         event.originalEvent.returnValue = event.result;
5410                                 }
5411                         }
5412                 }
5413         }
5414 };
5415
5416 // Ensure the presence of an event listener that handles manually-triggered
5417 // synthetic events by interrupting progress until reinvoked in response to
5418 // *native* events that it fires directly, ensuring that state changes have
5419 // already occurred before other listeners are invoked.
5420 function leverageNative( el, type, expectSync ) {
5421
5422         // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5423         if ( !expectSync ) {
5424                 if ( dataPriv.get( el, type ) === undefined ) {
5425                         jQuery.event.add( el, type, returnTrue );
5426                 }
5427                 return;
5428         }
5429
5430         // Register the controller as a special universal handler for all event namespaces
5431         dataPriv.set( el, type, false );
5432         jQuery.event.add( el, type, {
5433                 namespace: false,
5434                 handler: function( event ) {
5435                         var notAsync, result,
5436                                 saved = dataPriv.get( this, type );
5437
5438                         if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5439
5440                                 // Interrupt processing of the outer synthetic .trigger()ed event
5441                                 // Saved data should be false in such cases, but might be a leftover capture object
5442                                 // from an async native handler (gh-4350)
5443                                 if ( !saved.length ) {
5444
5445                                         // Store arguments for use when handling the inner native event
5446                                         // There will always be at least one argument (an event object), so this array
5447                                         // will not be confused with a leftover capture object.
5448                                         saved = slice.call( arguments );
5449                                         dataPriv.set( this, type, saved );
5450
5451                                         // Trigger the native event and capture its result
5452                                         // Support: IE <=9 - 11+
5453                                         // focus() and blur() are asynchronous
5454                                         notAsync = expectSync( this, type );
5455                                         this[ type ]();
5456                                         result = dataPriv.get( this, type );
5457                                         if ( saved !== result || notAsync ) {
5458                                                 dataPriv.set( this, type, false );
5459                                         } else {
5460                                                 result = {};
5461                                         }
5462                                         if ( saved !== result ) {
5463
5464                                                 // Cancel the outer synthetic event
5465                                                 event.stopImmediatePropagation();
5466                                                 event.preventDefault();
5467                                                 return result.value;
5468                                         }
5469
5470                                 // If this is an inner synthetic event for an event with a bubbling surrogate
5471                                 // (focus or blur), assume that the surrogate already propagated from triggering the
5472                                 // native event and prevent that from happening again here.
5473                                 // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5474                                 // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5475                                 // less bad than duplication.
5476                                 } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5477                                         event.stopPropagation();
5478                                 }
5479
5480                         // If this is a native event triggered above, everything is now in order
5481                         // Fire an inner synthetic event with the original arguments
5482                         } else if ( saved.length ) {
5483
5484                                 // ...and capture the result
5485                                 dataPriv.set( this, type, {
5486                                         value: jQuery.event.trigger(
5487
5488                                                 // Support: IE <=9 - 11+
5489                                                 // Extend with the prototype to reset the above stopImmediatePropagation()
5490                                                 jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5491                                                 saved.slice( 1 ),
5492                                                 this
5493                                         )
5494                                 } );
5495
5496                                 // Abort handling of the native event
5497                                 event.stopImmediatePropagation();
5498                         }
5499                 }
5500         } );
5501 }
5502
5503 jQuery.removeEvent = function( elem, type, handle ) {
5504
5505         // This "if" is needed for plain objects
5506         if ( elem.removeEventListener ) {
5507                 elem.removeEventListener( type, handle );
5508         }
5509 };
5510
5511 jQuery.Event = function( src, props ) {
5512
5513         // Allow instantiation without the 'new' keyword
5514         if ( !( this instanceof jQuery.Event ) ) {
5515                 return new jQuery.Event( src, props );
5516         }
5517
5518         // Event object
5519         if ( src && src.type ) {
5520                 this.originalEvent = src;
5521                 this.type = src.type;
5522
5523                 // Events bubbling up the document may have been marked as prevented
5524                 // by a handler lower down the tree; reflect the correct value.
5525                 this.isDefaultPrevented = src.defaultPrevented ||
5526                                 src.defaultPrevented === undefined &&
5527
5528                                 // Support: Android <=2.3 only
5529                                 src.returnValue === false ?
5530                         returnTrue :
5531                         returnFalse;
5532
5533                 // Create target properties
5534                 // Support: Safari <=6 - 7 only
5535                 // Target should not be a text node (#504, #13143)
5536                 this.target = ( src.target && src.target.nodeType === 3 ) ?
5537                         src.target.parentNode :
5538                         src.target;
5539
5540                 this.currentTarget = src.currentTarget;
5541                 this.relatedTarget = src.relatedTarget;
5542
5543         // Event type
5544         } else {
5545                 this.type = src;
5546         }
5547
5548         // Put explicitly provided properties onto the event object
5549         if ( props ) {
5550                 jQuery.extend( this, props );
5551         }
5552
5553         // Create a timestamp if incoming event doesn't have one
5554         this.timeStamp = src && src.timeStamp || Date.now();
5555
5556         // Mark it as fixed
5557         this[ jQuery.expando ] = true;
5558 };
5559
5560 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5561 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5562 jQuery.Event.prototype = {
5563         constructor: jQuery.Event,
5564         isDefaultPrevented: returnFalse,
5565         isPropagationStopped: returnFalse,
5566         isImmediatePropagationStopped: returnFalse,
5567         isSimulated: false,
5568
5569         preventDefault: function() {
5570                 var e = this.originalEvent;
5571
5572                 this.isDefaultPrevented = returnTrue;
5573
5574                 if ( e && !this.isSimulated ) {
5575                         e.preventDefault();
5576                 }
5577         },
5578         stopPropagation: function() {
5579                 var e = this.originalEvent;
5580
5581                 this.isPropagationStopped = returnTrue;
5582
5583                 if ( e && !this.isSimulated ) {
5584                         e.stopPropagation();
5585                 }
5586         },
5587         stopImmediatePropagation: function() {
5588                 var e = this.originalEvent;
5589
5590                 this.isImmediatePropagationStopped = returnTrue;
5591
5592                 if ( e && !this.isSimulated ) {
5593                         e.stopImmediatePropagation();
5594                 }
5595
5596                 this.stopPropagation();
5597         }
5598 };
5599
5600 // Includes all common event props including KeyEvent and MouseEvent specific props
5601 jQuery.each( {
5602         altKey: true,
5603         bubbles: true,
5604         cancelable: true,
5605         changedTouches: true,
5606         ctrlKey: true,
5607         detail: true,
5608         eventPhase: true,
5609         metaKey: true,
5610         pageX: true,
5611         pageY: true,
5612         shiftKey: true,
5613         view: true,
5614         "char": true,
5615         code: true,
5616         charCode: true,
5617         key: true,
5618         keyCode: true,
5619         button: true,
5620         buttons: true,
5621         clientX: true,
5622         clientY: true,
5623         offsetX: true,
5624         offsetY: true,
5625         pointerId: true,
5626         pointerType: true,
5627         screenX: true,
5628         screenY: true,
5629         targetTouches: true,
5630         toElement: true,
5631         touches: true,
5632
5633         which: function( event ) {
5634                 var button = event.button;
5635
5636                 // Add which for key events
5637                 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5638                         return event.charCode != null ? event.charCode : event.keyCode;
5639                 }
5640
5641                 // Add which for click: 1 === left; 2 === middle; 3 === right
5642                 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5643                         if ( button & 1 ) {
5644                                 return 1;
5645                         }
5646
5647                         if ( button & 2 ) {
5648                                 return 3;
5649                         }
5650
5651                         if ( button & 4 ) {
5652                                 return 2;
5653                         }
5654
5655                         return 0;
5656                 }
5657
5658                 return event.which;
5659         }
5660 }, jQuery.event.addProp );
5661
5662 jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5663         jQuery.event.special[ type ] = {
5664
5665                 // Utilize native event if possible so blur/focus sequence is correct
5666                 setup: function() {
5667
5668                         // Claim the first handler
5669                         // dataPriv.set( this, "focus", ... )
5670                         // dataPriv.set( this, "blur", ... )
5671                         leverageNative( this, type, expectSync );
5672
5673                         // Return false to allow normal processing in the caller
5674                         return false;
5675                 },
5676                 trigger: function() {
5677
5678                         // Force setup before trigger
5679                         leverageNative( this, type );
5680
5681                         // Return non-false to allow normal event-path propagation
5682                         return true;
5683                 },
5684
5685                 delegateType: delegateType
5686         };
5687 } );
5688
5689 // Create mouseenter/leave events using mouseover/out and event-time checks
5690 // so that event delegation works in jQuery.
5691 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5692 //
5693 // Support: Safari 7 only
5694 // Safari sends mouseenter too often; see:
5695 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5696 // for the description of the bug (it existed in older Chrome versions as well).
5697 jQuery.each( {
5698         mouseenter: "mouseover",
5699         mouseleave: "mouseout",
5700         pointerenter: "pointerover",
5701         pointerleave: "pointerout"
5702 }, function( orig, fix ) {
5703         jQuery.event.special[ orig ] = {
5704                 delegateType: fix,
5705                 bindType: fix,
5706
5707                 handle: function( event ) {
5708                         var ret,
5709                                 target = this,
5710                                 related = event.relatedTarget,
5711                                 handleObj = event.handleObj;
5712
5713                         // For mouseenter/leave call the handler if related is outside the target.
5714                         // NB: No relatedTarget if the mouse left/entered the browser window
5715                         if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5716                                 event.type = handleObj.origType;
5717                                 ret = handleObj.handler.apply( this, arguments );
5718                                 event.type = fix;
5719                         }
5720                         return ret;
5721                 }
5722         };
5723 } );
5724
5725 jQuery.fn.extend( {
5726
5727         on: function( types, selector, data, fn ) {
5728                 return on( this, types, selector, data, fn );
5729         },
5730         one: function( types, selector, data, fn ) {
5731                 return on( this, types, selector, data, fn, 1 );
5732         },
5733         off: function( types, selector, fn ) {
5734                 var handleObj, type;
5735                 if ( types && types.preventDefault && types.handleObj ) {
5736
5737                         // ( event )  dispatched jQuery.Event
5738                         handleObj = types.handleObj;
5739                         jQuery( types.delegateTarget ).off(
5740                                 handleObj.namespace ?
5741                                         handleObj.origType + "." + handleObj.namespace :
5742                                         handleObj.origType,
5743                                 handleObj.selector,
5744                                 handleObj.handler
5745                         );
5746                         return this;
5747                 }
5748                 if ( typeof types === "object" ) {
5749
5750                         // ( types-object [, selector] )
5751                         for ( type in types ) {
5752                                 this.off( type, selector, types[ type ] );
5753                         }
5754                         return this;
5755                 }
5756                 if ( selector === false || typeof selector === "function" ) {
5757
5758                         // ( types [, fn] )
5759                         fn = selector;
5760                         selector = undefined;
5761                 }
5762                 if ( fn === false ) {
5763                         fn = returnFalse;
5764                 }
5765                 return this.each( function() {
5766                         jQuery.event.remove( this, types, fn, selector );
5767                 } );
5768         }
5769 } );
5770
5771
5772 var
5773
5774         /* eslint-disable max-len */
5775
5776         // See https://github.com/eslint/eslint/issues/3229
5777         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5778
5779         /* eslint-enable */
5780
5781         // Support: IE <=10 - 11, Edge 12 - 13 only
5782         // In IE/Edge using regex groups here causes severe slowdowns.
5783         // See https://connect.microsoft.com/IE/feedback/details/1736512/
5784         rnoInnerhtml = /<script|<style|<link/i,
5785
5786         // checked="checked" or checked
5787         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5788         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5789
5790 // Prefer a tbody over its parent table for containing new rows
5791 function manipulationTarget( elem, content ) {
5792         if ( nodeName( elem, "table" ) &&
5793                 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5794
5795                 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5796         }
5797
5798         return elem;
5799 }
5800
5801 // Replace/restore the type attribute of script elements for safe DOM manipulation
5802 function disableScript( elem ) {
5803         elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5804         return elem;
5805 }
5806 function restoreScript( elem ) {
5807         if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5808                 elem.type = elem.type.slice( 5 );
5809         } else {
5810                 elem.removeAttribute( "type" );
5811         }
5812
5813         return elem;
5814 }
5815
5816 function cloneCopyEvent( src, dest ) {
5817         var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5818
5819         if ( dest.nodeType !== 1 ) {
5820                 return;
5821         }
5822
5823         // 1. Copy private data: events, handlers, etc.
5824         if ( dataPriv.hasData( src ) ) {
5825                 pdataOld = dataPriv.access( src );
5826                 pdataCur = dataPriv.set( dest, pdataOld );
5827                 events = pdataOld.events;
5828
5829                 if ( events ) {
5830                         delete pdataCur.handle;
5831                         pdataCur.events = {};
5832
5833                         for ( type in events ) {
5834                                 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5835                                         jQuery.event.add( dest, type, events[ type ][ i ] );
5836                                 }
5837                         }
5838                 }
5839         }
5840
5841         // 2. Copy user data
5842         if ( dataUser.hasData( src ) ) {
5843                 udataOld = dataUser.access( src );
5844                 udataCur = jQuery.extend( {}, udataOld );
5845
5846                 dataUser.set( dest, udataCur );
5847         }
5848 }
5849
5850 // Fix IE bugs, see support tests
5851 function fixInput( src, dest ) {
5852         var nodeName = dest.nodeName.toLowerCase();
5853
5854         // Fails to persist the checked state of a cloned checkbox or radio button.
5855         if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5856                 dest.checked = src.checked;
5857
5858         // Fails to return the selected option to the default selected state when cloning options
5859         } else if ( nodeName === "input" || nodeName === "textarea" ) {
5860                 dest.defaultValue = src.defaultValue;
5861         }
5862 }
5863
5864 function domManip( collection, args, callback, ignored ) {
5865
5866         // Flatten any nested arrays
5867         args = concat.apply( [], args );
5868
5869         var fragment, first, scripts, hasScripts, node, doc,
5870                 i = 0,
5871                 l = collection.length,
5872                 iNoClone = l - 1,
5873                 value = args[ 0 ],
5874                 valueIsFunction = isFunction( value );
5875
5876         // We can't cloneNode fragments that contain checked, in WebKit
5877         if ( valueIsFunction ||
5878                         ( l > 1 && typeof value === "string" &&
5879                                 !support.checkClone && rchecked.test( value ) ) ) {
5880                 return collection.each( function( index ) {
5881                         var self = collection.eq( index );
5882                         if ( valueIsFunction ) {
5883                                 args[ 0 ] = value.call( this, index, self.html() );
5884                         }
5885                         domManip( self, args, callback, ignored );
5886                 } );
5887         }
5888
5889         if ( l ) {
5890                 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5891                 first = fragment.firstChild;
5892
5893                 if ( fragment.childNodes.length === 1 ) {
5894                         fragment = first;
5895                 }
5896
5897                 // Require either new content or an interest in ignored elements to invoke the callback
5898                 if ( first || ignored ) {
5899                         scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5900                         hasScripts = scripts.length;
5901
5902                         // Use the original fragment for the last item
5903                         // instead of the first because it can end up
5904                         // being emptied incorrectly in certain situations (#8070).
5905                         for ( ; i < l; i++ ) {
5906                                 node = fragment;
5907
5908                                 if ( i !== iNoClone ) {
5909                                         node = jQuery.clone( node, true, true );
5910
5911                                         // Keep references to cloned scripts for later restoration
5912                                         if ( hasScripts ) {
5913
5914                                                 // Support: Android <=4.0 only, PhantomJS 1 only
5915                                                 // push.apply(_, arraylike) throws on ancient WebKit
5916                                                 jQuery.merge( scripts, getAll( node, "script" ) );
5917                                         }
5918                                 }
5919
5920                                 callback.call( collection[ i ], node, i );
5921                         }
5922
5923                         if ( hasScripts ) {
5924                                 doc = scripts[ scripts.length - 1 ].ownerDocument;
5925
5926                                 // Reenable scripts
5927                                 jQuery.map( scripts, restoreScript );
5928
5929                                 // Evaluate executable scripts on first document insertion
5930                                 for ( i = 0; i < hasScripts; i++ ) {
5931                                         node = scripts[ i ];
5932                                         if ( rscriptType.test( node.type || "" ) &&
5933                                                 !dataPriv.access( node, "globalEval" ) &&
5934                                                 jQuery.contains( doc, node ) ) {
5935
5936                                                 if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
5937
5938                                                         // Optional AJAX dependency, but won't run scripts if not present
5939                                                         if ( jQuery._evalUrl && !node.noModule ) {
5940                                                                 jQuery._evalUrl( node.src, {
5941                                                                         nonce: node.nonce || node.getAttribute( "nonce" )
5942                                                                 } );
5943                                                         }
5944                                                 } else {
5945                                                         DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
5946                                                 }
5947                                         }
5948                                 }
5949                         }
5950                 }
5951         }
5952
5953         return collection;
5954 }
5955
5956 function remove( elem, selector, keepData ) {
5957         var node,
5958                 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5959                 i = 0;
5960
5961         for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5962                 if ( !keepData && node.nodeType === 1 ) {
5963                         jQuery.cleanData( getAll( node ) );
5964                 }
5965
5966                 if ( node.parentNode ) {
5967                         if ( keepData && isAttached( node ) ) {
5968                                 setGlobalEval( getAll( node, "script" ) );
5969                         }
5970                         node.parentNode.removeChild( node );
5971                 }
5972         }
5973
5974         return elem;
5975 }
5976
5977 jQuery.extend( {
5978         htmlPrefilter: function( html ) {
5979                 return html.replace( rxhtmlTag, "<$1></$2>" );
5980         },
5981
5982         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5983                 var i, l, srcElements, destElements,
5984                         clone = elem.cloneNode( true ),
5985                         inPage = isAttached( elem );
5986
5987                 // Fix IE cloning issues
5988                 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5989                                 !jQuery.isXMLDoc( elem ) ) {
5990
5991                         // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5992                         destElements = getAll( clone );
5993                         srcElements = getAll( elem );
5994
5995                         for ( i = 0, l = srcElements.length; i < l; i++ ) {
5996                                 fixInput( srcElements[ i ], destElements[ i ] );
5997                         }
5998                 }
5999
6000                 // Copy the events from the original to the clone
6001                 if ( dataAndEvents ) {
6002                         if ( deepDataAndEvents ) {
6003                                 srcElements = srcElements || getAll( elem );
6004                                 destElements = destElements || getAll( clone );
6005
6006                                 for ( i = 0, l = srcElements.length; i < l; i++ ) {
6007                                         cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6008                                 }
6009                         } else {
6010                                 cloneCopyEvent( elem, clone );
6011                         }
6012                 }
6013
6014                 // Preserve script evaluation history
6015                 destElements = getAll( clone, "script" );
6016                 if ( destElements.length > 0 ) {
6017                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6018                 }
6019
6020                 // Return the cloned set
6021                 return clone;
6022         },
6023
6024         cleanData: function( elems ) {
6025                 var data, elem, type,
6026                         special = jQuery.event.special,
6027                         i = 0;
6028
6029                 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6030                         if ( acceptData( elem ) ) {
6031                                 if ( ( data = elem[ dataPriv.expando ] ) ) {
6032                                         if ( data.events ) {
6033                                                 for ( type in data.events ) {
6034                                                         if ( special[ type ] ) {
6035                                                                 jQuery.event.remove( elem, type );
6036
6037                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
6038                                                         } else {
6039                                                                 jQuery.removeEvent( elem, type, data.handle );
6040                                                         }
6041                                                 }
6042                                         }
6043
6044                                         // Support: Chrome <=35 - 45+
6045                                         // Assign undefined instead of using delete, see Data#remove
6046                                         elem[ dataPriv.expando ] = undefined;
6047                                 }
6048                                 if ( elem[ dataUser.expando ] ) {
6049
6050                                         // Support: Chrome <=35 - 45+
6051                                         // Assign undefined instead of using delete, see Data#remove
6052                                         elem[ dataUser.expando ] = undefined;
6053                                 }
6054                         }
6055                 }
6056         }
6057 } );
6058
6059 jQuery.fn.extend( {
6060         detach: function( selector ) {
6061                 return remove( this, selector, true );
6062         },
6063
6064         remove: function( selector ) {
6065                 return remove( this, selector );
6066         },
6067
6068         text: function( value ) {
6069                 return access( this, function( value ) {
6070                         return value === undefined ?
6071                                 jQuery.text( this ) :
6072                                 this.empty().each( function() {
6073                                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6074                                                 this.textContent = value;
6075                                         }
6076                                 } );
6077                 }, null, value, arguments.length );
6078         },
6079
6080         append: function() {
6081                 return domManip( this, arguments, function( elem ) {
6082                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6083                                 var target = manipulationTarget( this, elem );
6084                                 target.appendChild( elem );
6085                         }
6086                 } );
6087         },
6088
6089         prepend: function() {
6090                 return domManip( this, arguments, function( elem ) {
6091                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6092                                 var target = manipulationTarget( this, elem );
6093                                 target.insertBefore( elem, target.firstChild );
6094                         }
6095                 } );
6096         },
6097
6098         before: function() {
6099                 return domManip( this, arguments, function( elem ) {
6100                         if ( this.parentNode ) {
6101                                 this.parentNode.insertBefore( elem, this );
6102                         }
6103                 } );
6104         },
6105
6106         after: function() {
6107                 return domManip( this, arguments, function( elem ) {
6108                         if ( this.parentNode ) {
6109                                 this.parentNode.insertBefore( elem, this.nextSibling );
6110                         }
6111                 } );
6112         },
6113
6114         empty: function() {
6115                 var elem,
6116                         i = 0;
6117
6118                 for ( ; ( elem = this[ i ] ) != null; i++ ) {
6119                         if ( elem.nodeType === 1 ) {
6120
6121                                 // Prevent memory leaks
6122                                 jQuery.cleanData( getAll( elem, false ) );
6123
6124                                 // Remove any remaining nodes
6125                                 elem.textContent = "";
6126                         }
6127                 }
6128
6129                 return this;
6130         },
6131
6132         clone: function( dataAndEvents, deepDataAndEvents ) {
6133                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6134                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6135
6136                 return this.map( function() {
6137                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6138                 } );
6139         },
6140
6141         html: function( value ) {
6142                 return access( this, function( value ) {
6143                         var elem = this[ 0 ] || {},
6144                                 i = 0,
6145                                 l = this.length;
6146
6147                         if ( value === undefined && elem.nodeType === 1 ) {
6148                                 return elem.innerHTML;
6149                         }
6150
6151                         // See if we can take a shortcut and just use innerHTML
6152                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6153                                 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6154
6155                                 value = jQuery.htmlPrefilter( value );
6156
6157                                 try {
6158                                         for ( ; i < l; i++ ) {
6159                                                 elem = this[ i ] || {};
6160
6161                                                 // Remove element nodes and prevent memory leaks
6162                                                 if ( elem.nodeType === 1 ) {
6163                                                         jQuery.cleanData( getAll( elem, false ) );
6164                                                         elem.innerHTML = value;
6165                                                 }
6166                                         }
6167
6168                                         elem = 0;
6169
6170                                 // If using innerHTML throws an exception, use the fallback method
6171                                 } catch ( e ) {}
6172                         }
6173
6174                         if ( elem ) {
6175                                 this.empty().append( value );
6176                         }
6177                 }, null, value, arguments.length );
6178         },
6179
6180         replaceWith: function() {
6181                 var ignored = [];
6182
6183                 // Make the changes, replacing each non-ignored context element with the new content
6184                 return domManip( this, arguments, function( elem ) {
6185                         var parent = this.parentNode;
6186
6187                         if ( jQuery.inArray( this, ignored ) < 0 ) {
6188                                 jQuery.cleanData( getAll( this ) );
6189                                 if ( parent ) {
6190                                         parent.replaceChild( elem, this );
6191                                 }
6192                         }
6193
6194                 // Force callback invocation
6195                 }, ignored );
6196         }
6197 } );
6198
6199 jQuery.each( {
6200         appendTo: "append",
6201         prependTo: "prepend",
6202         insertBefore: "before",
6203         insertAfter: "after",
6204         replaceAll: "replaceWith"
6205 }, function( name, original ) {
6206         jQuery.fn[ name ] = function( selector ) {
6207                 var elems,
6208                         ret = [],
6209                         insert = jQuery( selector ),
6210                         last = insert.length - 1,
6211                         i = 0;
6212
6213                 for ( ; i <= last; i++ ) {
6214                         elems = i === last ? this : this.clone( true );
6215                         jQuery( insert[ i ] )[ original ]( elems );
6216
6217                         // Support: Android <=4.0 only, PhantomJS 1 only
6218                         // .get() because push.apply(_, arraylike) throws on ancient WebKit
6219                         push.apply( ret, elems.get() );
6220                 }
6221
6222                 return this.pushStack( ret );
6223         };
6224 } );
6225 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6226
6227 var getStyles = function( elem ) {
6228
6229                 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6230                 // IE throws on elements created in popups
6231                 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6232                 var view = elem.ownerDocument.defaultView;
6233
6234                 if ( !view || !view.opener ) {
6235                         view = window;
6236                 }
6237
6238                 return view.getComputedStyle( elem );
6239         };
6240
6241 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6242
6243
6244
6245 ( function() {
6246
6247         // Executing both pixelPosition & boxSizingReliable tests require only one layout
6248         // so they're executed at the same time to save the second computation.
6249         function computeStyleTests() {
6250
6251                 // This is a singleton, we need to execute it only once
6252                 if ( !div ) {
6253                         return;
6254                 }
6255
6256                 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6257                         "margin-top:1px;padding:0;border:0";
6258                 div.style.cssText =
6259                         "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6260                         "margin:auto;border:1px;padding:1px;" +
6261                         "width:60%;top:1%";
6262                 documentElement.appendChild( container ).appendChild( div );
6263
6264                 var divStyle = window.getComputedStyle( div );
6265                 pixelPositionVal = divStyle.top !== "1%";
6266
6267                 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6268                 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6269
6270                 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6271                 // Some styles come back with percentage values, even though they shouldn't
6272                 div.style.right = "60%";
6273                 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6274
6275                 // Support: IE 9 - 11 only
6276                 // Detect misreporting of content dimensions for box-sizing:border-box elements
6277                 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6278
6279                 // Support: IE 9 only
6280                 // Detect overflow:scroll screwiness (gh-3699)
6281                 // Support: Chrome <=64
6282                 // Don't get tricked when zoom affects offsetWidth (gh-4029)
6283                 div.style.position = "absolute";
6284                 scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6285
6286                 documentElement.removeChild( container );
6287
6288                 // Nullify the div so it wouldn't be stored in the memory and
6289                 // it will also be a sign that checks already performed
6290                 div = null;
6291         }
6292
6293         function roundPixelMeasures( measure ) {
6294                 return Math.round( parseFloat( measure ) );
6295         }
6296
6297         var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6298                 reliableMarginLeftVal,
6299                 container = document.createElement( "div" ),
6300                 div = document.createElement( "div" );
6301
6302         // Finish early in limited (non-browser) environments
6303         if ( !div.style ) {
6304                 return;
6305         }
6306
6307         // Support: IE <=9 - 11 only
6308         // Style of cloned element affects source element cloned (#8908)
6309         div.style.backgroundClip = "content-box";
6310         div.cloneNode( true ).style.backgroundClip = "";
6311         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6312
6313         jQuery.extend( support, {
6314                 boxSizingReliable: function() {
6315                         computeStyleTests();
6316                         return boxSizingReliableVal;
6317                 },
6318                 pixelBoxStyles: function() {
6319                         computeStyleTests();
6320                         return pixelBoxStylesVal;
6321                 },
6322                 pixelPosition: function() {
6323                         computeStyleTests();
6324                         return pixelPositionVal;
6325                 },
6326                 reliableMarginLeft: function() {
6327                         computeStyleTests();
6328                         return reliableMarginLeftVal;
6329                 },
6330                 scrollboxSize: function() {
6331                         computeStyleTests();
6332                         return scrollboxSizeVal;
6333                 }
6334         } );
6335 } )();
6336
6337
6338 function curCSS( elem, name, computed ) {
6339         var width, minWidth, maxWidth, ret,
6340
6341                 // Support: Firefox 51+
6342                 // Retrieving style before computed somehow
6343                 // fixes an issue with getting wrong values
6344                 // on detached elements
6345                 style = elem.style;
6346
6347         computed = computed || getStyles( elem );
6348
6349         // getPropertyValue is needed for:
6350         //   .css('filter') (IE 9 only, #12537)
6351         //   .css('--customProperty) (#3144)
6352         if ( computed ) {
6353                 ret = computed.getPropertyValue( name ) || computed[ name ];
6354
6355                 if ( ret === "" && !isAttached( elem ) ) {
6356                         ret = jQuery.style( elem, name );
6357                 }
6358
6359                 // A tribute to the "awesome hack by Dean Edwards"
6360                 // Android Browser returns percentage for some values,
6361                 // but width seems to be reliably pixels.
6362                 // This is against the CSSOM draft spec:
6363                 // https://drafts.csswg.org/cssom/#resolved-values
6364                 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6365
6366                         // Remember the original values
6367                         width = style.width;
6368                         minWidth = style.minWidth;
6369                         maxWidth = style.maxWidth;
6370
6371                         // Put in the new values to get a computed value out
6372                         style.minWidth = style.maxWidth = style.width = ret;
6373                         ret = computed.width;
6374
6375                         // Revert the changed values
6376                         style.width = width;
6377                         style.minWidth = minWidth;
6378                         style.maxWidth = maxWidth;
6379                 }
6380         }
6381
6382         return ret !== undefined ?
6383
6384                 // Support: IE <=9 - 11 only
6385                 // IE returns zIndex value as an integer.
6386                 ret + "" :
6387                 ret;
6388 }
6389
6390
6391 function addGetHookIf( conditionFn, hookFn ) {
6392
6393         // Define the hook, we'll check on the first run if it's really needed.
6394         return {
6395                 get: function() {
6396                         if ( conditionFn() ) {
6397
6398                                 // Hook not needed (or it's not possible to use it due
6399                                 // to missing dependency), remove it.
6400                                 delete this.get;
6401                                 return;
6402                         }
6403
6404                         // Hook needed; redefine it so that the support test is not executed again.
6405                         return ( this.get = hookFn ).apply( this, arguments );
6406                 }
6407         };
6408 }
6409
6410
6411 var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6412         emptyStyle = document.createElement( "div" ).style,
6413         vendorProps = {};
6414
6415 // Return a vendor-prefixed property or undefined
6416 function vendorPropName( name ) {
6417
6418         // Check for vendor prefixed names
6419         var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6420                 i = cssPrefixes.length;
6421
6422         while ( i-- ) {
6423                 name = cssPrefixes[ i ] + capName;
6424                 if ( name in emptyStyle ) {
6425                         return name;
6426                 }
6427         }
6428 }
6429
6430 // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6431 function finalPropName( name ) {
6432         var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6433
6434         if ( final ) {
6435                 return final;
6436         }
6437         if ( name in emptyStyle ) {
6438                 return name;
6439         }
6440         return vendorProps[ name ] = vendorPropName( name ) || name;
6441 }
6442
6443
6444 var
6445
6446         // Swappable if display is none or starts with table
6447         // except "table", "table-cell", or "table-caption"
6448         // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6449         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6450         rcustomProp = /^--/,
6451         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6452         cssNormalTransform = {
6453                 letterSpacing: "0",
6454                 fontWeight: "400"
6455         };
6456
6457 function setPositiveNumber( elem, value, subtract ) {
6458
6459         // Any relative (+/-) values have already been
6460         // normalized at this point
6461         var matches = rcssNum.exec( value );
6462         return matches ?
6463
6464                 // Guard against undefined "subtract", e.g., when used as in cssHooks
6465                 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6466                 value;
6467 }
6468
6469 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6470         var i = dimension === "width" ? 1 : 0,
6471                 extra = 0,
6472                 delta = 0;
6473
6474         // Adjustment may not be necessary
6475         if ( box === ( isBorderBox ? "border" : "content" ) ) {
6476                 return 0;
6477         }
6478
6479         for ( ; i < 4; i += 2 ) {
6480
6481                 // Both box models exclude margin
6482                 if ( box === "margin" ) {
6483                         delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6484                 }
6485
6486                 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6487                 if ( !isBorderBox ) {
6488
6489                         // Add padding
6490                         delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6491
6492                         // For "border" or "margin", add border
6493                         if ( box !== "padding" ) {
6494                                 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6495
6496                         // But still keep track of it otherwise
6497                         } else {
6498                                 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6499                         }
6500
6501                 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6502                 // "padding" or "margin"
6503                 } else {
6504
6505                         // For "content", subtract padding
6506                         if ( box === "content" ) {
6507                                 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6508                         }
6509
6510                         // For "content" or "padding", subtract border
6511                         if ( box !== "margin" ) {
6512                                 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6513                         }
6514                 }
6515         }
6516
6517         // Account for positive content-box scroll gutter when requested by providing computedVal
6518         if ( !isBorderBox && computedVal >= 0 ) {
6519
6520                 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6521                 // Assuming integer scroll gutter, subtract the rest and round down
6522                 delta += Math.max( 0, Math.ceil(
6523                         elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6524                         computedVal -
6525                         delta -
6526                         extra -
6527                         0.5
6528
6529                 // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6530                 // Use an explicit zero to avoid NaN (gh-3964)
6531                 ) ) || 0;
6532         }
6533
6534         return delta;
6535 }
6536
6537 function getWidthOrHeight( elem, dimension, extra ) {
6538
6539         // Start with computed style
6540         var styles = getStyles( elem ),
6541
6542                 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6543                 // Fake content-box until we know it's needed to know the true value.
6544                 boxSizingNeeded = !support.boxSizingReliable() || extra,
6545                 isBorderBox = boxSizingNeeded &&
6546                         jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6547                 valueIsBorderBox = isBorderBox,
6548
6549                 val = curCSS( elem, dimension, styles ),
6550                 offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6551
6552         // Support: Firefox <=54
6553         // Return a confounding non-pixel value or feign ignorance, as appropriate.
6554         if ( rnumnonpx.test( val ) ) {
6555                 if ( !extra ) {
6556                         return val;
6557                 }
6558                 val = "auto";
6559         }
6560
6561
6562         // Fall back to offsetWidth/offsetHeight when value is "auto"
6563         // This happens for inline elements with no explicit setting (gh-3571)
6564         // Support: Android <=4.1 - 4.3 only
6565         // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6566         // Support: IE 9-11 only
6567         // Also use offsetWidth/offsetHeight for when box sizing is unreliable
6568         // We use getClientRects() to check for hidden/disconnected.
6569         // In those cases, the computed value can be trusted to be border-box
6570         if ( ( !support.boxSizingReliable() && isBorderBox ||
6571                 val === "auto" ||
6572                 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6573                 elem.getClientRects().length ) {
6574
6575                 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6576
6577                 // Where available, offsetWidth/offsetHeight approximate border box dimensions.
6578                 // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6579                 // retrieved value as a content box dimension.
6580                 valueIsBorderBox = offsetProp in elem;
6581                 if ( valueIsBorderBox ) {
6582                         val = elem[ offsetProp ];
6583                 }
6584         }
6585
6586         // Normalize "" and auto
6587         val = parseFloat( val ) || 0;
6588
6589         // Adjust for the element's box model
6590         return ( val +
6591                 boxModelAdjustment(
6592                         elem,
6593                         dimension,
6594                         extra || ( isBorderBox ? "border" : "content" ),
6595                         valueIsBorderBox,
6596                         styles,
6597
6598                         // Provide the current computed size to request scroll gutter calculation (gh-3589)
6599                         val
6600                 )
6601         ) + "px";
6602 }
6603
6604 jQuery.extend( {
6605
6606         // Add in style property hooks for overriding the default
6607         // behavior of getting and setting a style property
6608         cssHooks: {
6609                 opacity: {
6610                         get: function( elem, computed ) {
6611                                 if ( computed ) {
6612
6613                                         // We should always get a number back from opacity
6614                                         var ret = curCSS( elem, "opacity" );
6615                                         return ret === "" ? "1" : ret;
6616                                 }
6617                         }
6618                 }
6619         },
6620
6621         // Don't automatically add "px" to these possibly-unitless properties
6622         cssNumber: {
6623                 "animationIterationCount": true,
6624                 "columnCount": true,
6625                 "fillOpacity": true,
6626                 "flexGrow": true,
6627                 "flexShrink": true,
6628                 "fontWeight": true,
6629                 "gridArea": true,
6630                 "gridColumn": true,
6631                 "gridColumnEnd": true,
6632                 "gridColumnStart": true,
6633                 "gridRow": true,
6634                 "gridRowEnd": true,
6635                 "gridRowStart": true,
6636                 "lineHeight": true,
6637                 "opacity": true,
6638                 "order": true,
6639                 "orphans": true,
6640                 "widows": true,
6641                 "zIndex": true,
6642                 "zoom": true
6643         },
6644
6645         // Add in properties whose names you wish to fix before
6646         // setting or getting the value
6647         cssProps: {},
6648
6649         // Get and set the style property on a DOM Node
6650         style: function( elem, name, value, extra ) {
6651
6652                 // Don't set styles on text and comment nodes
6653                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6654                         return;
6655                 }
6656
6657                 // Make sure that we're working with the right name
6658                 var ret, type, hooks,
6659                         origName = camelCase( name ),
6660                         isCustomProp = rcustomProp.test( name ),
6661                         style = elem.style;
6662
6663                 // Make sure that we're working with the right name. We don't
6664                 // want to query the value if it is a CSS custom property
6665                 // since they are user-defined.
6666                 if ( !isCustomProp ) {
6667                         name = finalPropName( origName );
6668                 }
6669
6670                 // Gets hook for the prefixed version, then unprefixed version
6671                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6672
6673                 // Check if we're setting a value
6674                 if ( value !== undefined ) {
6675                         type = typeof value;
6676
6677                         // Convert "+=" or "-=" to relative numbers (#7345)
6678                         if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6679                                 value = adjustCSS( elem, name, ret );
6680
6681                                 // Fixes bug #9237
6682                                 type = "number";
6683                         }
6684
6685                         // Make sure that null and NaN values aren't set (#7116)
6686                         if ( value == null || value !== value ) {
6687                                 return;
6688                         }
6689
6690                         // If a number was passed in, add the unit (except for certain CSS properties)
6691                         // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6692                         // "px" to a few hardcoded values.
6693                         if ( type === "number" && !isCustomProp ) {
6694                                 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6695                         }
6696
6697                         // background-* props affect original clone's values
6698                         if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6699                                 style[ name ] = "inherit";
6700                         }
6701
6702                         // If a hook was provided, use that value, otherwise just set the specified value
6703                         if ( !hooks || !( "set" in hooks ) ||
6704                                 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6705
6706                                 if ( isCustomProp ) {
6707                                         style.setProperty( name, value );
6708                                 } else {
6709                                         style[ name ] = value;
6710                                 }
6711                         }
6712
6713                 } else {
6714
6715                         // If a hook was provided get the non-computed value from there
6716                         if ( hooks && "get" in hooks &&
6717                                 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6718
6719                                 return ret;
6720                         }
6721
6722                         // Otherwise just get the value from the style object
6723                         return style[ name ];
6724                 }
6725         },
6726
6727         css: function( elem, name, extra, styles ) {
6728                 var val, num, hooks,
6729                         origName = camelCase( name ),
6730                         isCustomProp = rcustomProp.test( name );
6731
6732                 // Make sure that we're working with the right name. We don't
6733                 // want to modify the value if it is a CSS custom property
6734                 // since they are user-defined.
6735                 if ( !isCustomProp ) {
6736                         name = finalPropName( origName );
6737                 }
6738
6739                 // Try prefixed name followed by the unprefixed name
6740                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6741
6742                 // If a hook was provided get the computed value from there
6743                 if ( hooks && "get" in hooks ) {
6744                         val = hooks.get( elem, true, extra );
6745                 }
6746
6747                 // Otherwise, if a way to get the computed value exists, use that
6748                 if ( val === undefined ) {
6749                         val = curCSS( elem, name, styles );
6750                 }
6751
6752                 // Convert "normal" to computed value
6753                 if ( val === "normal" && name in cssNormalTransform ) {
6754                         val = cssNormalTransform[ name ];
6755                 }
6756
6757                 // Make numeric if forced or a qualifier was provided and val looks numeric
6758                 if ( extra === "" || extra ) {
6759                         num = parseFloat( val );
6760                         return extra === true || isFinite( num ) ? num || 0 : val;
6761                 }
6762
6763                 return val;
6764         }
6765 } );
6766
6767 jQuery.each( [ "height", "width" ], function( i, dimension ) {
6768         jQuery.cssHooks[ dimension ] = {
6769                 get: function( elem, computed, extra ) {
6770                         if ( computed ) {
6771
6772                                 // Certain elements can have dimension info if we invisibly show them
6773                                 // but it must have a current display style that would benefit
6774                                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6775
6776                                         // Support: Safari 8+
6777                                         // Table columns in Safari have non-zero offsetWidth & zero
6778                                         // getBoundingClientRect().width unless display is changed.
6779                                         // Support: IE <=11 only
6780                                         // Running getBoundingClientRect on a disconnected node
6781                                         // in IE throws an error.
6782                                         ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6783                                                 swap( elem, cssShow, function() {
6784                                                         return getWidthOrHeight( elem, dimension, extra );
6785                                                 } ) :
6786                                                 getWidthOrHeight( elem, dimension, extra );
6787                         }
6788                 },
6789
6790                 set: function( elem, value, extra ) {
6791                         var matches,
6792                                 styles = getStyles( elem ),
6793
6794                                 // Only read styles.position if the test has a chance to fail
6795                                 // to avoid forcing a reflow.
6796                                 scrollboxSizeBuggy = !support.scrollboxSize() &&
6797                                         styles.position === "absolute",
6798
6799                                 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
6800                                 boxSizingNeeded = scrollboxSizeBuggy || extra,
6801                                 isBorderBox = boxSizingNeeded &&
6802                                         jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6803                                 subtract = extra ?
6804                                         boxModelAdjustment(
6805                                                 elem,
6806                                                 dimension,
6807                                                 extra,
6808                                                 isBorderBox,
6809                                                 styles
6810                                         ) :
6811                                         0;
6812
6813                         // Account for unreliable border-box dimensions by comparing offset* to computed and
6814                         // faking a content-box to get border and padding (gh-3699)
6815                         if ( isBorderBox && scrollboxSizeBuggy ) {
6816                                 subtract -= Math.ceil(
6817                                         elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6818                                         parseFloat( styles[ dimension ] ) -
6819                                         boxModelAdjustment( elem, dimension, "border", false, styles ) -
6820                                         0.5
6821                                 );
6822                         }
6823
6824                         // Convert to pixels if value adjustment is needed
6825                         if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6826                                 ( matches[ 3 ] || "px" ) !== "px" ) {
6827
6828                                 elem.style[ dimension ] = value;
6829                                 value = jQuery.css( elem, dimension );
6830                         }
6831
6832                         return setPositiveNumber( elem, value, subtract );
6833                 }
6834         };
6835 } );
6836
6837 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6838         function( elem, computed ) {
6839                 if ( computed ) {
6840                         return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6841                                 elem.getBoundingClientRect().left -
6842                                         swap( elem, { marginLeft: 0 }, function() {
6843                                                 return elem.getBoundingClientRect().left;
6844                                         } )
6845                                 ) + "px";
6846                 }
6847         }
6848 );
6849
6850 // These hooks are used by animate to expand properties
6851 jQuery.each( {
6852         margin: "",
6853         padding: "",
6854         border: "Width"
6855 }, function( prefix, suffix ) {
6856         jQuery.cssHooks[ prefix + suffix ] = {
6857                 expand: function( value ) {
6858                         var i = 0,
6859                                 expanded = {},
6860
6861                                 // Assumes a single number if not a string
6862                                 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6863
6864                         for ( ; i < 4; i++ ) {
6865                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
6866                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6867                         }
6868
6869                         return expanded;
6870                 }
6871         };
6872
6873         if ( prefix !== "margin" ) {
6874                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6875         }
6876 } );
6877
6878 jQuery.fn.extend( {
6879         css: function( name, value ) {
6880                 return access( this, function( elem, name, value ) {
6881                         var styles, len,
6882                                 map = {},
6883                                 i = 0;
6884
6885                         if ( Array.isArray( name ) ) {
6886                                 styles = getStyles( elem );
6887                                 len = name.length;
6888
6889                                 for ( ; i < len; i++ ) {
6890                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6891                                 }
6892
6893                                 return map;
6894                         }
6895
6896                         return value !== undefined ?
6897                                 jQuery.style( elem, name, value ) :
6898                                 jQuery.css( elem, name );
6899                 }, name, value, arguments.length > 1 );
6900         }
6901 } );
6902
6903
6904 function Tween( elem, options, prop, end, easing ) {
6905         return new Tween.prototype.init( elem, options, prop, end, easing );
6906 }
6907 jQuery.Tween = Tween;
6908
6909 Tween.prototype = {
6910         constructor: Tween,
6911         init: function( elem, options, prop, end, easing, unit ) {
6912                 this.elem = elem;
6913                 this.prop = prop;
6914                 this.easing = easing || jQuery.easing._default;
6915                 this.options = options;
6916                 this.start = this.now = this.cur();
6917                 this.end = end;
6918                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6919         },
6920         cur: function() {
6921                 var hooks = Tween.propHooks[ this.prop ];
6922
6923                 return hooks && hooks.get ?
6924                         hooks.get( this ) :
6925                         Tween.propHooks._default.get( this );
6926         },
6927         run: function( percent ) {
6928                 var eased,
6929                         hooks = Tween.propHooks[ this.prop ];
6930
6931                 if ( this.options.duration ) {
6932                         this.pos = eased = jQuery.easing[ this.easing ](
6933                                 percent, this.options.duration * percent, 0, 1, this.options.duration
6934                         );
6935                 } else {
6936                         this.pos = eased = percent;
6937                 }
6938                 this.now = ( this.end - this.start ) * eased + this.start;
6939
6940                 if ( this.options.step ) {
6941                         this.options.step.call( this.elem, this.now, this );
6942                 }
6943
6944                 if ( hooks && hooks.set ) {
6945                         hooks.set( this );
6946                 } else {
6947                         Tween.propHooks._default.set( this );
6948                 }
6949                 return this;
6950         }
6951 };
6952
6953 Tween.prototype.init.prototype = Tween.prototype;
6954
6955 Tween.propHooks = {
6956         _default: {
6957                 get: function( tween ) {
6958                         var result;
6959
6960                         // Use a property on the element directly when it is not a DOM element,
6961                         // or when there is no matching style property that exists.
6962                         if ( tween.elem.nodeType !== 1 ||
6963                                 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
6964                                 return tween.elem[ tween.prop ];
6965                         }
6966
6967                         // Passing an empty string as a 3rd parameter to .css will automatically
6968                         // attempt a parseFloat and fallback to a string if the parse fails.
6969                         // Simple values such as "10px" are parsed to Float;
6970                         // complex values such as "rotate(1rad)" are returned as-is.
6971                         result = jQuery.css( tween.elem, tween.prop, "" );
6972
6973                         // Empty strings, null, undefined and "auto" are converted to 0.
6974                         return !result || result === "auto" ? 0 : result;
6975                 },
6976                 set: function( tween ) {
6977
6978                         // Use step hook for back compat.
6979                         // Use cssHook if its there.
6980                         // Use .style if available and use plain properties where available.
6981                         if ( jQuery.fx.step[ tween.prop ] ) {
6982                                 jQuery.fx.step[ tween.prop ]( tween );
6983                         } else if ( tween.elem.nodeType === 1 && (
6984                                         jQuery.cssHooks[ tween.prop ] ||
6985                                         tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
6986                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6987                         } else {
6988                                 tween.elem[ tween.prop ] = tween.now;
6989                         }
6990                 }
6991         }
6992 };
6993
6994 // Support: IE <=9 only
6995 // Panic based approach to setting things on disconnected nodes
6996 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6997         set: function( tween ) {
6998                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
6999                         tween.elem[ tween.prop ] = tween.now;
7000                 }
7001         }
7002 };
7003
7004 jQuery.easing = {
7005         linear: function( p ) {
7006                 return p;
7007         },
7008         swing: function( p ) {
7009                 return 0.5 - Math.cos( p * Math.PI ) / 2;
7010         },
7011         _default: "swing"
7012 };
7013
7014 jQuery.fx = Tween.prototype.init;
7015
7016 // Back compat <1.8 extension point
7017 jQuery.fx.step = {};
7018
7019
7020
7021
7022 var
7023         fxNow, inProgress,
7024         rfxtypes = /^(?:toggle|show|hide)$/,
7025         rrun = /queueHooks$/;
7026
7027 function schedule() {
7028         if ( inProgress ) {
7029                 if ( document.hidden === false && window.requestAnimationFrame ) {
7030                         window.requestAnimationFrame( schedule );
7031                 } else {
7032                         window.setTimeout( schedule, jQuery.fx.interval );
7033                 }
7034
7035                 jQuery.fx.tick();
7036         }
7037 }
7038
7039 // Animations created synchronously will run synchronously
7040 function createFxNow() {
7041         window.setTimeout( function() {
7042                 fxNow = undefined;
7043         } );
7044         return ( fxNow = Date.now() );
7045 }
7046
7047 // Generate parameters to create a standard animation
7048 function genFx( type, includeWidth ) {
7049         var which,
7050                 i = 0,
7051                 attrs = { height: type };
7052
7053         // If we include width, step value is 1 to do all cssExpand values,
7054         // otherwise step value is 2 to skip over Left and Right
7055         includeWidth = includeWidth ? 1 : 0;
7056         for ( ; i < 4; i += 2 - includeWidth ) {
7057                 which = cssExpand[ i ];
7058                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7059         }
7060
7061         if ( includeWidth ) {
7062                 attrs.opacity = attrs.width = type;
7063         }
7064
7065         return attrs;
7066 }
7067
7068 function createTween( value, prop, animation ) {
7069         var tween,
7070                 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
7071                 index = 0,
7072                 length = collection.length;
7073         for ( ; index < length; index++ ) {
7074                 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
7075
7076                         // We're done with this property
7077                         return tween;
7078                 }
7079         }
7080 }
7081
7082 function defaultPrefilter( elem, props, opts ) {
7083         var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
7084                 isBox = "width" in props || "height" in props,
7085                 anim = this,
7086                 orig = {},
7087                 style = elem.style,
7088                 hidden = elem.nodeType && isHiddenWithinTree( elem ),
7089                 dataShow = dataPriv.get( elem, "fxshow" );
7090
7091         // Queue-skipping animations hijack the fx hooks
7092         if ( !opts.queue ) {
7093                 hooks = jQuery._queueHooks( elem, "fx" );
7094                 if ( hooks.unqueued == null ) {
7095                         hooks.unqueued = 0;
7096                         oldfire = hooks.empty.fire;
7097                         hooks.empty.fire = function() {
7098                                 if ( !hooks.unqueued ) {
7099                                         oldfire();
7100                                 }
7101                         };
7102                 }
7103                 hooks.unqueued++;
7104
7105                 anim.always( function() {
7106
7107                         // Ensure the complete handler is called before this completes
7108                         anim.always( function() {
7109                                 hooks.unqueued--;
7110                                 if ( !jQuery.queue( elem, "fx" ).length ) {
7111                                         hooks.empty.fire();
7112                                 }
7113                         } );
7114                 } );
7115         }
7116
7117         // Detect show/hide animations
7118         for ( prop in props ) {
7119                 value = props[ prop ];
7120                 if ( rfxtypes.test( value ) ) {
7121                         delete props[ prop ];
7122                         toggle = toggle || value === "toggle";
7123                         if ( value === ( hidden ? "hide" : "show" ) ) {
7124
7125                                 // Pretend to be hidden if this is a "show" and
7126                                 // there is still data from a stopped show/hide
7127                                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7128                                         hidden = true;
7129
7130                                 // Ignore all other no-op show/hide data
7131                                 } else {
7132                                         continue;
7133                                 }
7134                         }
7135                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7136                 }
7137         }
7138
7139         // Bail out if this is a no-op like .hide().hide()
7140         propTween = !jQuery.isEmptyObject( props );
7141         if ( !propTween && jQuery.isEmptyObject( orig ) ) {
7142                 return;
7143         }
7144
7145         // Restrict "overflow" and "display" styles during box animations
7146         if ( isBox && elem.nodeType === 1 ) {
7147
7148                 // Support: IE <=9 - 11, Edge 12 - 15
7149                 // Record all 3 overflow attributes because IE does not infer the shorthand
7150                 // from identically-valued overflowX and overflowY and Edge just mirrors
7151                 // the overflowX value there.
7152                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7153
7154                 // Identify a display type, preferring old show/hide data over the CSS cascade
7155                 restoreDisplay = dataShow && dataShow.display;
7156                 if ( restoreDisplay == null ) {
7157                         restoreDisplay = dataPriv.get( elem, "display" );
7158                 }
7159                 display = jQuery.css( elem, "display" );
7160                 if ( display === "none" ) {
7161                         if ( restoreDisplay ) {
7162                                 display = restoreDisplay;
7163                         } else {
7164
7165                                 // Get nonempty value(s) by temporarily forcing visibility
7166                                 showHide( [ elem ], true );
7167                                 restoreDisplay = elem.style.display || restoreDisplay;
7168                                 display = jQuery.css( elem, "display" );
7169                                 showHide( [ elem ] );
7170                         }
7171                 }
7172
7173                 // Animate inline elements as inline-block
7174                 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
7175                         if ( jQuery.css( elem, "float" ) === "none" ) {
7176
7177                                 // Restore the original display value at the end of pure show/hide animations
7178                                 if ( !propTween ) {
7179                                         anim.done( function() {
7180                                                 style.display = restoreDisplay;
7181                                         } );
7182                                         if ( restoreDisplay == null ) {
7183                                                 display = style.display;
7184                                                 restoreDisplay = display === "none" ? "" : display;
7185                                         }
7186                                 }
7187                                 style.display = "inline-block";
7188                         }
7189                 }
7190         }
7191
7192         if ( opts.overflow ) {
7193                 style.overflow = "hidden";
7194                 anim.always( function() {
7195                         style.overflow = opts.overflow[ 0 ];
7196                         style.overflowX = opts.overflow[ 1 ];
7197                         style.overflowY = opts.overflow[ 2 ];
7198                 } );
7199         }
7200
7201         // Implement show/hide animations
7202         propTween = false;
7203         for ( prop in orig ) {
7204
7205                 // General show/hide setup for this element animation
7206                 if ( !propTween ) {
7207                         if ( dataShow ) {
7208                                 if ( "hidden" in dataShow ) {
7209                                         hidden = dataShow.hidden;
7210                                 }
7211                         } else {
7212                                 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
7213                         }
7214
7215                         // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
7216                         if ( toggle ) {
7217                                 dataShow.hidden = !hidden;
7218                         }
7219
7220                         // Show elements before animating them
7221                         if ( hidden ) {
7222                                 showHide( [ elem ], true );
7223                         }
7224
7225                         /* eslint-disable no-loop-func */
7226
7227                         anim.done( function() {
7228
7229                         /* eslint-enable no-loop-func */
7230
7231                                 // The final step of a "hide" animation is actually hiding the element
7232                                 if ( !hidden ) {
7233                                         showHide( [ elem ] );
7234                                 }
7235                                 dataPriv.remove( elem, "fxshow" );
7236                                 for ( prop in orig ) {
7237                                         jQuery.style( elem, prop, orig[ prop ] );
7238                                 }
7239                         } );
7240                 }
7241
7242                 // Per-property setup
7243                 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7244                 if ( !( prop in dataShow ) ) {
7245                         dataShow[ prop ] = propTween.start;
7246                         if ( hidden ) {
7247                                 propTween.end = propTween.start;
7248                                 propTween.start = 0;
7249                         }
7250                 }
7251         }
7252 }
7253
7254 function propFilter( props, specialEasing ) {
7255         var index, name, easing, value, hooks;
7256
7257         // camelCase, specialEasing and expand cssHook pass
7258         for ( index in props ) {
7259                 name = camelCase( index );
7260                 easing = specialEasing[ name ];
7261                 value = props[ index ];
7262                 if ( Array.isArray( value ) ) {
7263                         easing = value[ 1 ];
7264                         value = props[ index ] = value[ 0 ];
7265                 }
7266
7267                 if ( index !== name ) {
7268                         props[ name ] = value;
7269                         delete props[ index ];
7270                 }
7271
7272                 hooks = jQuery.cssHooks[ name ];
7273                 if ( hooks && "expand" in hooks ) {
7274                         value = hooks.expand( value );
7275                         delete props[ name ];
7276
7277                         // Not quite $.extend, this won't overwrite existing keys.
7278                         // Reusing 'index' because we have the correct "name"
7279                         for ( index in value ) {
7280                                 if ( !( index in props ) ) {
7281                                         props[ index ] = value[ index ];
7282                                         specialEasing[ index ] = easing;
7283                                 }
7284                         }
7285                 } else {
7286                         specialEasing[ name ] = easing;
7287                 }
7288         }
7289 }
7290
7291 function Animation( elem, properties, options ) {
7292         var result,
7293                 stopped,
7294                 index = 0,
7295                 length = Animation.prefilters.length,
7296                 deferred = jQuery.Deferred().always( function() {
7297
7298                         // Don't match elem in the :animated selector
7299                         delete tick.elem;
7300                 } ),
7301                 tick = function() {
7302                         if ( stopped ) {
7303                                 return false;
7304                         }
7305                         var currentTime = fxNow || createFxNow(),
7306                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7307
7308                                 // Support: Android 2.3 only
7309                                 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7310                                 temp = remaining / animation.duration || 0,
7311                                 percent = 1 - temp,
7312                                 index = 0,
7313                                 length = animation.tweens.length;
7314
7315                         for ( ; index < length; index++ ) {
7316                                 animation.tweens[ index ].run( percent );
7317                         }
7318
7319                         deferred.notifyWith( elem, [ animation, percent, remaining ] );
7320
7321                         // If there's more to do, yield
7322                         if ( percent < 1 && length ) {
7323                                 return remaining;
7324                         }
7325
7326                         // If this was an empty animation, synthesize a final progress notification
7327                         if ( !length ) {
7328                                 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7329                         }
7330
7331                         // Resolve the animation and report its conclusion
7332                         deferred.resolveWith( elem, [ animation ] );
7333                         return false;
7334                 },
7335                 animation = deferred.promise( {
7336                         elem: elem,
7337                         props: jQuery.extend( {}, properties ),
7338                         opts: jQuery.extend( true, {
7339                                 specialEasing: {},
7340                                 easing: jQuery.easing._default
7341                         }, options ),
7342                         originalProperties: properties,
7343                         originalOptions: options,
7344                         startTime: fxNow || createFxNow(),
7345                         duration: options.duration,
7346                         tweens: [],
7347                         createTween: function( prop, end ) {
7348                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7349                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7350                                 animation.tweens.push( tween );
7351                                 return tween;
7352                         },
7353                         stop: function( gotoEnd ) {
7354                                 var index = 0,
7355
7356                                         // If we are going to the end, we want to run all the tweens
7357                                         // otherwise we skip this part
7358                                         length = gotoEnd ? animation.tweens.length : 0;
7359                                 if ( stopped ) {
7360                                         return this;
7361                                 }
7362                                 stopped = true;
7363                                 for ( ; index < length; index++ ) {
7364                                         animation.tweens[ index ].run( 1 );
7365                                 }
7366
7367                                 // Resolve when we played the last frame; otherwise, reject
7368                                 if ( gotoEnd ) {
7369                                         deferred.notifyWith( elem, [ animation, 1, 0 ] );
7370                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
7371                                 } else {
7372                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
7373                                 }
7374                                 return this;
7375                         }
7376                 } ),
7377                 props = animation.props;
7378
7379         propFilter( props, animation.opts.specialEasing );
7380
7381         for ( ; index < length; index++ ) {
7382                 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7383                 if ( result ) {
7384                         if ( isFunction( result.stop ) ) {
7385                                 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7386                                         result.stop.bind( result );
7387                         }
7388                         return result;
7389                 }
7390         }
7391
7392         jQuery.map( props, createTween, animation );
7393
7394         if ( isFunction( animation.opts.start ) ) {
7395                 animation.opts.start.call( elem, animation );
7396         }
7397
7398         // Attach callbacks from options
7399         animation
7400                 .progress( animation.opts.progress )
7401                 .done( animation.opts.done, animation.opts.complete )
7402                 .fail( animation.opts.fail )
7403                 .always( animation.opts.always );
7404
7405         jQuery.fx.timer(
7406                 jQuery.extend( tick, {
7407                         elem: elem,
7408                         anim: animation,
7409                         queue: animation.opts.queue
7410                 } )
7411         );
7412
7413         return animation;
7414 }
7415
7416 jQuery.Animation = jQuery.extend( Animation, {
7417
7418         tweeners: {
7419                 "*": [ function( prop, value ) {
7420                         var tween = this.createTween( prop, value );
7421                         adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7422                         return tween;
7423                 } ]
7424         },
7425
7426         tweener: function( props, callback ) {
7427                 if ( isFunction( props ) ) {
7428                         callback = props;
7429                         props = [ "*" ];
7430                 } else {
7431                         props = props.match( rnothtmlwhite );
7432                 }
7433
7434                 var prop,
7435                         index = 0,
7436                         length = props.length;
7437
7438                 for ( ; index < length; index++ ) {
7439                         prop = props[ index ];
7440                         Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7441                         Animation.tweeners[ prop ].unshift( callback );
7442                 }
7443         },
7444
7445         prefilters: [ defaultPrefilter ],
7446
7447         prefilter: function( callback, prepend ) {
7448                 if ( prepend ) {
7449                         Animation.prefilters.unshift( callback );
7450                 } else {
7451                         Animation.prefilters.push( callback );
7452                 }
7453         }
7454 } );
7455
7456 jQuery.speed = function( speed, easing, fn ) {
7457         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7458                 complete: fn || !fn && easing ||
7459                         isFunction( speed ) && speed,
7460                 duration: speed,
7461                 easing: fn && easing || easing && !isFunction( easing ) && easing
7462         };
7463
7464         // Go to the end state if fx are off
7465         if ( jQuery.fx.off ) {
7466                 opt.duration = 0;
7467
7468         } else {
7469                 if ( typeof opt.duration !== "number" ) {
7470                         if ( opt.duration in jQuery.fx.speeds ) {
7471                                 opt.duration = jQuery.fx.speeds[ opt.duration ];
7472
7473                         } else {
7474                                 opt.duration = jQuery.fx.speeds._default;
7475                         }
7476                 }
7477         }
7478
7479         // Normalize opt.queue - true/undefined/null -> "fx"
7480         if ( opt.queue == null || opt.queue === true ) {
7481                 opt.queue = "fx";
7482         }
7483
7484         // Queueing
7485         opt.old = opt.complete;
7486
7487         opt.complete = function() {
7488                 if ( isFunction( opt.old ) ) {
7489                         opt.old.call( this );
7490                 }
7491
7492                 if ( opt.queue ) {
7493                         jQuery.dequeue( this, opt.queue );
7494                 }
7495         };
7496
7497         return opt;
7498 };
7499
7500 jQuery.fn.extend( {
7501         fadeTo: function( speed, to, easing, callback ) {
7502
7503                 // Show any hidden elements after setting opacity to 0
7504                 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7505
7506                         // Animate to the value specified
7507                         .end().animate( { opacity: to }, speed, easing, callback );
7508         },
7509         animate: function( prop, speed, easing, callback ) {
7510                 var empty = jQuery.isEmptyObject( prop ),
7511                         optall = jQuery.speed( speed, easing, callback ),
7512                         doAnimation = function() {
7513
7514                                 // Operate on a copy of prop so per-property easing won't be lost
7515                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7516
7517                                 // Empty animations, or finishing resolves immediately
7518                                 if ( empty || dataPriv.get( this, "finish" ) ) {
7519                                         anim.stop( true );
7520                                 }
7521                         };
7522                         doAnimation.finish = doAnimation;
7523
7524                 return empty || optall.queue === false ?
7525                         this.each( doAnimation ) :
7526                         this.queue( optall.queue, doAnimation );
7527         },
7528         stop: function( type, clearQueue, gotoEnd ) {
7529                 var stopQueue = function( hooks ) {
7530                         var stop = hooks.stop;
7531                         delete hooks.stop;
7532                         stop( gotoEnd );
7533                 };
7534
7535                 if ( typeof type !== "string" ) {
7536                         gotoEnd = clearQueue;
7537                         clearQueue = type;
7538                         type = undefined;
7539                 }
7540                 if ( clearQueue && type !== false ) {
7541                         this.queue( type || "fx", [] );
7542                 }
7543
7544                 return this.each( function() {
7545                         var dequeue = true,
7546                                 index = type != null && type + "queueHooks",
7547                                 timers = jQuery.timers,
7548                                 data = dataPriv.get( this );
7549
7550                         if ( index ) {
7551                                 if ( data[ index ] && data[ index ].stop ) {
7552                                         stopQueue( data[ index ] );
7553                                 }
7554                         } else {
7555                                 for ( index in data ) {
7556                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7557                                                 stopQueue( data[ index ] );
7558                                         }
7559                                 }
7560                         }
7561
7562                         for ( index = timers.length; index--; ) {
7563                                 if ( timers[ index ].elem === this &&
7564                                         ( type == null || timers[ index ].queue === type ) ) {
7565
7566                                         timers[ index ].anim.stop( gotoEnd );
7567                                         dequeue = false;
7568                                         timers.splice( index, 1 );
7569                                 }
7570                         }
7571
7572                         // Start the next in the queue if the last step wasn't forced.
7573                         // Timers currently will call their complete callbacks, which
7574                         // will dequeue but only if they were gotoEnd.
7575                         if ( dequeue || !gotoEnd ) {
7576                                 jQuery.dequeue( this, type );
7577                         }
7578                 } );
7579         },
7580         finish: function( type ) {
7581                 if ( type !== false ) {
7582                         type = type || "fx";
7583                 }
7584                 return this.each( function() {
7585                         var index,
7586                                 data = dataPriv.get( this ),
7587                                 queue = data[ type + "queue" ],
7588                                 hooks = data[ type + "queueHooks" ],
7589                                 timers = jQuery.timers,
7590                                 length = queue ? queue.length : 0;
7591
7592                         // Enable finishing flag on private data
7593                         data.finish = true;
7594
7595                         // Empty the queue first
7596                         jQuery.queue( this, type, [] );
7597
7598                         if ( hooks && hooks.stop ) {
7599                                 hooks.stop.call( this, true );
7600                         }
7601
7602                         // Look for any active animations, and finish them
7603                         for ( index = timers.length; index--; ) {
7604                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7605                                         timers[ index ].anim.stop( true );
7606                                         timers.splice( index, 1 );
7607                                 }
7608                         }
7609
7610                         // Look for any animations in the old queue and finish them
7611                         for ( index = 0; index < length; index++ ) {
7612                                 if ( queue[ index ] && queue[ index ].finish ) {
7613                                         queue[ index ].finish.call( this );
7614                                 }
7615                         }
7616
7617                         // Turn off finishing flag
7618                         delete data.finish;
7619                 } );
7620         }
7621 } );
7622
7623 jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
7624         var cssFn = jQuery.fn[ name ];
7625         jQuery.fn[ name ] = function( speed, easing, callback ) {
7626                 return speed == null || typeof speed === "boolean" ?
7627                         cssFn.apply( this, arguments ) :
7628                         this.animate( genFx( name, true ), speed, easing, callback );
7629         };
7630 } );
7631
7632 // Generate shortcuts for custom animations
7633 jQuery.each( {
7634         slideDown: genFx( "show" ),
7635         slideUp: genFx( "hide" ),
7636         slideToggle: genFx( "toggle" ),
7637         fadeIn: { opacity: "show" },
7638         fadeOut: { opacity: "hide" },
7639         fadeToggle: { opacity: "toggle" }
7640 }, function( name, props ) {
7641         jQuery.fn[ name ] = function( speed, easing, callback ) {
7642                 return this.animate( props, speed, easing, callback );
7643         };
7644 } );
7645
7646 jQuery.timers = [];
7647 jQuery.fx.tick = function() {
7648         var timer,
7649                 i = 0,
7650                 timers = jQuery.timers;
7651
7652         fxNow = Date.now();
7653
7654         for ( ; i < timers.length; i++ ) {
7655                 timer = timers[ i ];
7656
7657                 // Run the timer and safely remove it when done (allowing for external removal)
7658                 if ( !timer() && timers[ i ] === timer ) {
7659                         timers.splice( i--, 1 );
7660                 }
7661         }
7662
7663         if ( !timers.length ) {
7664                 jQuery.fx.stop();
7665         }
7666         fxNow = undefined;
7667 };
7668
7669 jQuery.fx.timer = function( timer ) {
7670         jQuery.timers.push( timer );
7671         jQuery.fx.start();
7672 };
7673
7674 jQuery.fx.interval = 13;
7675 jQuery.fx.start = function() {
7676         if ( inProgress ) {
7677                 return;
7678         }
7679
7680         inProgress = true;
7681         schedule();
7682 };
7683
7684 jQuery.fx.stop = function() {
7685         inProgress = null;
7686 };
7687
7688 jQuery.fx.speeds = {
7689         slow: 600,
7690         fast: 200,
7691
7692         // Default speed
7693         _default: 400
7694 };
7695
7696
7697 // Based off of the plugin by Clint Helfers, with permission.
7698 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7699 jQuery.fn.delay = function( time, type ) {
7700         time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7701         type = type || "fx";
7702
7703         return this.queue( type, function( next, hooks ) {
7704                 var timeout = window.setTimeout( next, time );
7705                 hooks.stop = function() {
7706                         window.clearTimeout( timeout );
7707                 };
7708         } );
7709 };
7710
7711
7712 ( function() {
7713         var input = document.createElement( "input" ),
7714                 select = document.createElement( "select" ),
7715                 opt = select.appendChild( document.createElement( "option" ) );
7716
7717         input.type = "checkbox";
7718
7719         // Support: Android <=4.3 only
7720         // Default value for a checkbox should be "on"
7721         support.checkOn = input.value !== "";
7722
7723         // Support: IE <=11 only
7724         // Must access selectedIndex to make default options select
7725         support.optSelected = opt.selected;
7726
7727         // Support: IE <=11 only
7728         // An input loses its value after becoming a radio
7729         input = document.createElement( "input" );
7730         input.value = "t";
7731         input.type = "radio";
7732         support.radioValue = input.value === "t";
7733 } )();
7734
7735
7736 var boolHook,
7737         attrHandle = jQuery.expr.attrHandle;
7738
7739 jQuery.fn.extend( {
7740         attr: function( name, value ) {
7741                 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7742         },
7743
7744         removeAttr: function( name ) {
7745                 return this.each( function() {
7746                         jQuery.removeAttr( this, name );
7747                 } );
7748         }
7749 } );
7750
7751 jQuery.extend( {
7752         attr: function( elem, name, value ) {
7753                 var ret, hooks,
7754                         nType = elem.nodeType;
7755
7756                 // Don't get/set attributes on text, comment and attribute nodes
7757                 if ( nType === 3 || nType === 8 || nType === 2 ) {
7758                         return;
7759                 }
7760
7761                 // Fallback to prop when attributes are not supported
7762                 if ( typeof elem.getAttribute === "undefined" ) {
7763                         return jQuery.prop( elem, name, value );
7764                 }
7765
7766                 // Attribute hooks are determined by the lowercase version
7767                 // Grab necessary hook if one is defined
7768                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7769                         hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7770                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7771                 }
7772
7773                 if ( value !== undefined ) {
7774                         if ( value === null ) {
7775                                 jQuery.removeAttr( elem, name );
7776                                 return;
7777                         }
7778
7779                         if ( hooks && "set" in hooks &&
7780                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7781                                 return ret;
7782                         }
7783
7784                         elem.setAttribute( name, value + "" );
7785                         return value;
7786                 }
7787
7788                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7789                         return ret;
7790                 }
7791
7792                 ret = jQuery.find.attr( elem, name );
7793
7794                 // Non-existent attributes return null, we normalize to undefined
7795                 return ret == null ? undefined : ret;
7796         },
7797
7798         attrHooks: {
7799                 type: {
7800                         set: function( elem, value ) {
7801                                 if ( !support.radioValue && value === "radio" &&
7802                                         nodeName( elem, "input" ) ) {
7803                                         var val = elem.value;
7804                                         elem.setAttribute( "type", value );
7805                                         if ( val ) {
7806                                                 elem.value = val;
7807                                         }
7808                                         return value;
7809                                 }
7810                         }
7811                 }
7812         },
7813
7814         removeAttr: function( elem, value ) {
7815                 var name,
7816                         i = 0,
7817
7818                         // Attribute names can contain non-HTML whitespace characters
7819                         // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
7820                         attrNames = value && value.match( rnothtmlwhite );
7821
7822                 if ( attrNames && elem.nodeType === 1 ) {
7823                         while ( ( name = attrNames[ i++ ] ) ) {
7824                                 elem.removeAttribute( name );
7825                         }
7826                 }
7827         }
7828 } );
7829
7830 // Hooks for boolean attributes
7831 boolHook = {
7832         set: function( elem, value, name ) {
7833                 if ( value === false ) {
7834
7835                         // Remove boolean attributes when set to false
7836                         jQuery.removeAttr( elem, name );
7837                 } else {
7838                         elem.setAttribute( name, name );
7839                 }
7840                 return name;
7841         }
7842 };
7843
7844 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
7845         var getter = attrHandle[ name ] || jQuery.find.attr;
7846
7847         attrHandle[ name ] = function( elem, name, isXML ) {
7848                 var ret, handle,
7849                         lowercaseName = name.toLowerCase();
7850
7851                 if ( !isXML ) {
7852
7853                         // Avoid an infinite loop by temporarily removing this function from the getter
7854                         handle = attrHandle[ lowercaseName ];
7855                         attrHandle[ lowercaseName ] = ret;
7856                         ret = getter( elem, name, isXML ) != null ?
7857                                 lowercaseName :
7858                                 null;
7859                         attrHandle[ lowercaseName ] = handle;
7860                 }
7861                 return ret;
7862         };
7863 } );
7864
7865
7866
7867
7868 var rfocusable = /^(?:input|select|textarea|button)$/i,
7869         rclickable = /^(?:a|area)$/i;
7870
7871 jQuery.fn.extend( {
7872         prop: function( name, value ) {
7873                 return access( this, jQuery.prop, name, value, arguments.length > 1 );
7874         },
7875
7876         removeProp: function( name ) {
7877                 return this.each( function() {
7878                         delete this[ jQuery.propFix[ name ] || name ];
7879                 } );
7880         }
7881 } );
7882
7883 jQuery.extend( {
7884         prop: function( elem, name, value ) {
7885                 var ret, hooks,
7886                         nType = elem.nodeType;
7887
7888                 // Don't get/set properties on text, comment and attribute nodes
7889                 if ( nType === 3 || nType === 8 || nType === 2 ) {
7890                         return;
7891                 }
7892
7893                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7894
7895                         // Fix name and attach hooks
7896                         name = jQuery.propFix[ name ] || name;
7897                         hooks = jQuery.propHooks[ name ];
7898                 }
7899
7900                 if ( value !== undefined ) {
7901                         if ( hooks && "set" in hooks &&
7902                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7903                                 return ret;
7904                         }
7905
7906                         return ( elem[ name ] = value );
7907                 }
7908
7909                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7910                         return ret;
7911                 }
7912
7913                 return elem[ name ];
7914         },
7915
7916         propHooks: {
7917                 tabIndex: {
7918                         get: function( elem ) {
7919
7920                                 // Support: IE <=9 - 11 only
7921                                 // elem.tabIndex doesn't always return the
7922                                 // correct value when it hasn't been explicitly set
7923                                 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7924                                 // Use proper attribute retrieval(#12072)
7925                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
7926
7927                                 if ( tabindex ) {
7928                                         return parseInt( tabindex, 10 );
7929                                 }
7930
7931                                 if (
7932                                         rfocusable.test( elem.nodeName ) ||
7933                                         rclickable.test( elem.nodeName ) &&
7934                                         elem.href
7935                                 ) {
7936                                         return 0;
7937                                 }
7938
7939                                 return -1;
7940                         }
7941                 }
7942         },
7943
7944         propFix: {
7945                 "for": "htmlFor",
7946                 "class": "className"
7947         }
7948 } );
7949
7950 // Support: IE <=11 only
7951 // Accessing the selectedIndex property
7952 // forces the browser to respect setting selected
7953 // on the option
7954 // The getter ensures a default option is selected
7955 // when in an optgroup
7956 // eslint rule "no-unused-expressions" is disabled for this code
7957 // since it considers such accessions noop
7958 if ( !support.optSelected ) {
7959         jQuery.propHooks.selected = {
7960                 get: function( elem ) {
7961
7962                         /* eslint no-unused-expressions: "off" */
7963
7964                         var parent = elem.parentNode;
7965                         if ( parent && parent.parentNode ) {
7966                                 parent.parentNode.selectedIndex;
7967                         }
7968                         return null;
7969                 },
7970                 set: function( elem ) {
7971
7972                         /* eslint no-unused-expressions: "off" */
7973
7974                         var parent = elem.parentNode;
7975                         if ( parent ) {
7976                                 parent.selectedIndex;
7977
7978                                 if ( parent.parentNode ) {
7979                                         parent.parentNode.selectedIndex;
7980                                 }
7981                         }
7982                 }
7983         };
7984 }
7985
7986 jQuery.each( [
7987         "tabIndex",
7988         "readOnly",
7989         "maxLength",
7990         "cellSpacing",
7991         "cellPadding",
7992         "rowSpan",
7993         "colSpan",
7994         "useMap",
7995         "frameBorder",
7996         "contentEditable"
7997 ], function() {
7998         jQuery.propFix[ this.toLowerCase() ] = this;
7999 } );
8000
8001
8002
8003
8004         // Strip and collapse whitespace according to HTML spec
8005         // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
8006         function stripAndCollapse( value ) {
8007                 var tokens = value.match( rnothtmlwhite ) || [];
8008                 return tokens.join( " " );
8009         }
8010
8011
8012 function getClass( elem ) {
8013         return elem.getAttribute && elem.getAttribute( "class" ) || "";
8014 }
8015
8016 function classesToArray( value ) {
8017         if ( Array.isArray( value ) ) {
8018                 return value;
8019         }
8020         if ( typeof value === "string" ) {
8021                 return value.match( rnothtmlwhite ) || [];
8022         }
8023         return [];
8024 }
8025
8026 jQuery.fn.extend( {
8027         addClass: function( value ) {
8028                 var classes, elem, cur, curValue, clazz, j, finalValue,
8029                         i = 0;
8030
8031                 if ( isFunction( value ) ) {
8032                         return this.each( function( j ) {
8033                                 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
8034                         } );
8035                 }
8036
8037                 classes = classesToArray( value );
8038
8039                 if ( classes.length ) {
8040                         while ( ( elem = this[ i++ ] ) ) {
8041                                 curValue = getClass( elem );
8042                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8043
8044                                 if ( cur ) {
8045                                         j = 0;
8046                                         while ( ( clazz = classes[ j++ ] ) ) {
8047                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8048                                                         cur += clazz + " ";
8049                                                 }
8050                                         }
8051
8052                                         // Only assign if different to avoid unneeded rendering.
8053                                         finalValue = stripAndCollapse( cur );
8054                                         if ( curValue !== finalValue ) {
8055                                                 elem.setAttribute( "class", finalValue );
8056                                         }
8057                                 }
8058                         }
8059                 }
8060
8061                 return this;
8062         },
8063
8064         removeClass: function( value ) {
8065                 var classes, elem, cur, curValue, clazz, j, finalValue,
8066                         i = 0;
8067
8068                 if ( isFunction( value ) ) {
8069                         return this.each( function( j ) {
8070                                 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
8071                         } );
8072                 }
8073
8074                 if ( !arguments.length ) {
8075                         return this.attr( "class", "" );
8076                 }
8077
8078                 classes = classesToArray( value );
8079
8080                 if ( classes.length ) {
8081                         while ( ( elem = this[ i++ ] ) ) {
8082                                 curValue = getClass( elem );
8083
8084                                 // This expression is here for better compressibility (see addClass)
8085                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8086
8087                                 if ( cur ) {
8088                                         j = 0;
8089                                         while ( ( clazz = classes[ j++ ] ) ) {
8090
8091                                                 // Remove *all* instances
8092                                                 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
8093                                                         cur = cur.replace( " " + clazz + " ", " " );
8094                                                 }
8095                                         }
8096
8097                                         // Only assign if different to avoid unneeded rendering.
8098                                         finalValue = stripAndCollapse( cur );
8099                                         if ( curValue !== finalValue ) {
8100                                                 elem.setAttribute( "class", finalValue );
8101                                         }
8102                                 }
8103                         }
8104                 }
8105
8106                 return this;
8107         },
8108
8109         toggleClass: function( value, stateVal ) {
8110                 var type = typeof value,
8111                         isValidValue = type === "string" || Array.isArray( value );
8112
8113                 if ( typeof stateVal === "boolean" && isValidValue ) {
8114                         return stateVal ? this.addClass( value ) : this.removeClass( value );
8115                 }
8116
8117                 if ( isFunction( value ) ) {
8118                         return this.each( function( i ) {
8119                                 jQuery( this ).toggleClass(
8120                                         value.call( this, i, getClass( this ), stateVal ),
8121                                         stateVal
8122                                 );
8123                         } );
8124                 }
8125
8126                 return this.each( function() {
8127                         var className, i, self, classNames;
8128
8129                         if ( isValidValue ) {
8130
8131                                 // Toggle individual class names
8132                                 i = 0;
8133                                 self = jQuery( this );
8134                                 classNames = classesToArray( value );
8135
8136                                 while ( ( className = classNames[ i++ ] ) ) {
8137
8138                                         // Check each className given, space separated list
8139                                         if ( self.hasClass( className ) ) {
8140                                                 self.removeClass( className );
8141                                         } else {
8142                                                 self.addClass( className );
8143                                         }
8144                                 }
8145
8146                         // Toggle whole class name
8147                         } else if ( value === undefined || type === "boolean" ) {
8148                                 className = getClass( this );
8149                                 if ( className ) {
8150
8151                                         // Store className if set
8152                                         dataPriv.set( this, "__className__", className );
8153                                 }
8154
8155                                 // If the element has a class name or if we're passed `false`,
8156                                 // then remove the whole classname (if there was one, the above saved it).
8157                                 // Otherwise bring back whatever was previously saved (if anything),
8158                                 // falling back to the empty string if nothing was stored.
8159                                 if ( this.setAttribute ) {
8160                                         this.setAttribute( "class",
8161                                                 className || value === false ?
8162                                                 "" :
8163                                                 dataPriv.get( this, "__className__" ) || ""
8164                                         );
8165                                 }
8166                         }
8167                 } );
8168         },
8169
8170         hasClass: function( selector ) {
8171                 var className, elem,
8172                         i = 0;
8173
8174                 className = " " + selector + " ";
8175                 while ( ( elem = this[ i++ ] ) ) {
8176                         if ( elem.nodeType === 1 &&
8177                                 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
8178                                         return true;
8179                         }
8180                 }
8181
8182                 return false;
8183         }
8184 } );
8185
8186
8187
8188
8189 var rreturn = /\r/g;
8190
8191 jQuery.fn.extend( {
8192         val: function( value ) {
8193                 var hooks, ret, valueIsFunction,
8194                         elem = this[ 0 ];
8195
8196                 if ( !arguments.length ) {
8197                         if ( elem ) {
8198                                 hooks = jQuery.valHooks[ elem.type ] ||
8199                                         jQuery.valHooks[ elem.nodeName.toLowerCase() ];
8200
8201                                 if ( hooks &&
8202                                         "get" in hooks &&
8203                                         ( ret = hooks.get( elem, "value" ) ) !== undefined
8204                                 ) {
8205                                         return ret;
8206                                 }
8207
8208                                 ret = elem.value;
8209
8210                                 // Handle most common string cases
8211                                 if ( typeof ret === "string" ) {
8212                                         return ret.replace( rreturn, "" );
8213                                 }
8214
8215                                 // Handle cases where value is null/undef or number
8216                                 return ret == null ? "" : ret;
8217                         }
8218
8219                         return;
8220                 }
8221
8222                 valueIsFunction = isFunction( value );
8223
8224                 return this.each( function( i ) {
8225                         var val;
8226
8227                         if ( this.nodeType !== 1 ) {
8228                                 return;
8229                         }
8230
8231                         if ( valueIsFunction ) {
8232                                 val = value.call( this, i, jQuery( this ).val() );
8233                         } else {
8234                                 val = value;
8235                         }
8236
8237                         // Treat null/undefined as ""; convert numbers to string
8238                         if ( val == null ) {
8239                                 val = "";
8240
8241                         } else if ( typeof val === "number" ) {
8242                                 val += "";
8243
8244                         } else if ( Array.isArray( val ) ) {
8245                                 val = jQuery.map( val, function( value ) {
8246                                         return value == null ? "" : value + "";
8247                                 } );
8248                         }
8249
8250                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
8251
8252                         // If set returns undefined, fall back to normal setting
8253                         if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
8254                                 this.value = val;
8255                         }
8256                 } );
8257         }
8258 } );
8259
8260 jQuery.extend( {
8261         valHooks: {
8262                 option: {
8263                         get: function( elem ) {
8264
8265                                 var val = jQuery.find.attr( elem, "value" );
8266                                 return val != null ?
8267                                         val :
8268
8269                                         // Support: IE <=10 - 11 only
8270                                         // option.text throws exceptions (#14686, #14858)
8271                                         // Strip and collapse whitespace
8272                                         // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8273                                         stripAndCollapse( jQuery.text( elem ) );
8274                         }
8275                 },
8276                 select: {
8277                         get: function( elem ) {
8278                                 var value, option, i,
8279                                         options = elem.options,
8280                                         index = elem.selectedIndex,
8281                                         one = elem.type === "select-one",
8282                                         values = one ? null : [],
8283                                         max = one ? index + 1 : options.length;
8284
8285                                 if ( index < 0 ) {
8286                                         i = max;
8287
8288                                 } else {
8289                                         i = one ? index : 0;
8290                                 }
8291
8292                                 // Loop through all the selected options
8293                                 for ( ; i < max; i++ ) {
8294                                         option = options[ i ];
8295
8296                                         // Support: IE <=9 only
8297                                         // IE8-9 doesn't update selected after form reset (#2551)
8298                                         if ( ( option.selected || i === index ) &&
8299
8300                                                         // Don't return options that are disabled or in a disabled optgroup
8301                                                         !option.disabled &&
8302                                                         ( !option.parentNode.disabled ||
8303                                                                 !nodeName( option.parentNode, "optgroup" ) ) ) {
8304
8305                                                 // Get the specific value for the option
8306                                                 value = jQuery( option ).val();
8307
8308                                                 // We don't need an array for one selects
8309                                                 if ( one ) {
8310                                                         return value;
8311                                                 }
8312
8313                                                 // Multi-Selects return an array
8314                                                 values.push( value );
8315                                         }
8316                                 }
8317
8318                                 return values;
8319                         },
8320
8321                         set: function( elem, value ) {
8322                                 var optionSet, option,
8323                                         options = elem.options,
8324                                         values = jQuery.makeArray( value ),
8325                                         i = options.length;
8326
8327                                 while ( i-- ) {
8328                                         option = options[ i ];
8329
8330                                         /* eslint-disable no-cond-assign */
8331
8332                                         if ( option.selected =
8333                                                 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8334                                         ) {
8335                                                 optionSet = true;
8336                                         }
8337
8338                                         /* eslint-enable no-cond-assign */
8339                                 }
8340
8341                                 // Force browsers to behave consistently when non-matching value is set
8342                                 if ( !optionSet ) {
8343                                         elem.selectedIndex = -1;
8344                                 }
8345                                 return values;
8346                         }
8347                 }
8348         }
8349 } );
8350
8351 // Radios and checkboxes getter/setter
8352 jQuery.each( [ "radio", "checkbox" ], function() {
8353         jQuery.valHooks[ this ] = {
8354                 set: function( elem, value ) {
8355                         if ( Array.isArray( value ) ) {
8356                                 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8357                         }
8358                 }
8359         };
8360         if ( !support.checkOn ) {
8361                 jQuery.valHooks[ this ].get = function( elem ) {
8362                         return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8363                 };
8364         }
8365 } );
8366
8367
8368
8369
8370 // Return jQuery for attributes-only inclusion
8371
8372
8373 support.focusin = "onfocusin" in window;
8374
8375
8376 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
8377         stopPropagationCallback = function( e ) {
8378                 e.stopPropagation();
8379         };
8380
8381 jQuery.extend( jQuery.event, {
8382
8383         trigger: function( event, data, elem, onlyHandlers ) {
8384
8385                 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
8386                         eventPath = [ elem || document ],
8387                         type = hasOwn.call( event, "type" ) ? event.type : event,
8388                         namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8389
8390                 cur = lastElement = tmp = elem = elem || document;
8391
8392                 // Don't do events on text and comment nodes
8393                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8394                         return;
8395                 }
8396
8397                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8398                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8399                         return;
8400                 }
8401
8402                 if ( type.indexOf( "." ) > -1 ) {
8403
8404                         // Namespaced trigger; create a regexp to match event type in handle()
8405                         namespaces = type.split( "." );
8406                         type = namespaces.shift();
8407                         namespaces.sort();
8408                 }
8409                 ontype = type.indexOf( ":" ) < 0 && "on" + type;
8410
8411                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8412                 event = event[ jQuery.expando ] ?
8413                         event :
8414                         new jQuery.Event( type, typeof event === "object" && event );
8415
8416                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8417                 event.isTrigger = onlyHandlers ? 2 : 3;
8418                 event.namespace = namespaces.join( "." );
8419                 event.rnamespace = event.namespace ?
8420                         new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8421                         null;
8422
8423                 // Clean up the event in case it is being reused
8424                 event.result = undefined;
8425                 if ( !event.target ) {
8426                         event.target = elem;
8427                 }
8428
8429                 // Clone any incoming data and prepend the event, creating the handler arg list
8430                 data = data == null ?
8431                         [ event ] :
8432                         jQuery.makeArray( data, [ event ] );
8433
8434                 // Allow special events to draw outside the lines
8435                 special = jQuery.event.special[ type ] || {};
8436                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8437                         return;
8438                 }
8439
8440                 // Determine event propagation path in advance, per W3C events spec (#9951)
8441                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8442                 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
8443
8444                         bubbleType = special.delegateType || type;
8445                         if ( !rfocusMorph.test( bubbleType + type ) ) {
8446                                 cur = cur.parentNode;
8447                         }
8448                         for ( ; cur; cur = cur.parentNode ) {
8449                                 eventPath.push( cur );
8450                                 tmp = cur;
8451                         }
8452
8453                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
8454                         if ( tmp === ( elem.ownerDocument || document ) ) {
8455                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8456                         }
8457                 }
8458
8459                 // Fire handlers on the event path
8460                 i = 0;
8461                 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8462                         lastElement = cur;
8463                         event.type = i > 1 ?
8464                                 bubbleType :
8465                                 special.bindType || type;
8466
8467                         // jQuery handler
8468                         handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
8469                                 dataPriv.get( cur, "handle" );
8470                         if ( handle ) {
8471                                 handle.apply( cur, data );
8472                         }
8473
8474                         // Native handler
8475                         handle = ontype && cur[ ontype ];
8476                         if ( handle && handle.apply && acceptData( cur ) ) {
8477                                 event.result = handle.apply( cur, data );
8478                                 if ( event.result === false ) {
8479                                         event.preventDefault();
8480                                 }
8481                         }
8482                 }
8483                 event.type = type;
8484
8485                 // If nobody prevented the default action, do it now
8486                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8487
8488                         if ( ( !special._default ||
8489                                 special._default.apply( eventPath.pop(), data ) === false ) &&
8490                                 acceptData( elem ) ) {
8491
8492                                 // Call a native DOM method on the target with the same name as the event.
8493                                 // Don't do default actions on window, that's where global variables be (#6170)
8494                                 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
8495
8496                                         // Don't re-trigger an onFOO event when we call its FOO() method
8497                                         tmp = elem[ ontype ];
8498
8499                                         if ( tmp ) {
8500                                                 elem[ ontype ] = null;
8501                                         }
8502
8503                                         // Prevent re-triggering of the same event, since we already bubbled it above
8504                                         jQuery.event.triggered = type;
8505
8506                                         if ( event.isPropagationStopped() ) {
8507                                                 lastElement.addEventListener( type, stopPropagationCallback );
8508                                         }
8509
8510                                         elem[ type ]();
8511
8512                                         if ( event.isPropagationStopped() ) {
8513                                                 lastElement.removeEventListener( type, stopPropagationCallback );
8514                                         }
8515
8516                                         jQuery.event.triggered = undefined;
8517
8518                                         if ( tmp ) {
8519                                                 elem[ ontype ] = tmp;
8520                                         }
8521                                 }
8522                         }
8523                 }
8524
8525                 return event.result;
8526         },
8527
8528         // Piggyback on a donor event to simulate a different one
8529         // Used only for `focus(in | out)` events
8530         simulate: function( type, elem, event ) {
8531                 var e = jQuery.extend(
8532                         new jQuery.Event(),
8533                         event,
8534                         {
8535                                 type: type,
8536                                 isSimulated: true
8537                         }
8538                 );
8539
8540                 jQuery.event.trigger( e, null, elem );
8541         }
8542
8543 } );
8544
8545 jQuery.fn.extend( {
8546
8547         trigger: function( type, data ) {
8548                 return this.each( function() {
8549                         jQuery.event.trigger( type, data, this );
8550                 } );
8551         },
8552         triggerHandler: function( type, data ) {
8553                 var elem = this[ 0 ];
8554                 if ( elem ) {
8555                         return jQuery.event.trigger( type, data, elem, true );
8556                 }
8557         }
8558 } );
8559
8560
8561 // Support: Firefox <=44
8562 // Firefox doesn't have focus(in | out) events
8563 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8564 //
8565 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8566 // focus(in | out) events fire after focus & blur events,
8567 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8568 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8569 if ( !support.focusin ) {
8570         jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8571
8572                 // Attach a single capturing handler on the document while someone wants focusin/focusout
8573                 var handler = function( event ) {
8574                         jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8575                 };
8576
8577                 jQuery.event.special[ fix ] = {
8578                         setup: function() {
8579                                 var doc = this.ownerDocument || this,
8580                                         attaches = dataPriv.access( doc, fix );
8581
8582                                 if ( !attaches ) {
8583                                         doc.addEventListener( orig, handler, true );
8584                                 }
8585                                 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8586                         },
8587                         teardown: function() {
8588                                 var doc = this.ownerDocument || this,
8589                                         attaches = dataPriv.access( doc, fix ) - 1;
8590
8591                                 if ( !attaches ) {
8592                                         doc.removeEventListener( orig, handler, true );
8593                                         dataPriv.remove( doc, fix );
8594
8595                                 } else {
8596                                         dataPriv.access( doc, fix, attaches );
8597                                 }
8598                         }
8599                 };
8600         } );
8601 }
8602 var location = window.location;
8603
8604 var nonce = Date.now();
8605
8606 var rquery = ( /\?/ );
8607
8608
8609
8610 // Cross-browser xml parsing
8611 jQuery.parseXML = function( data ) {
8612         var xml;
8613         if ( !data || typeof data !== "string" ) {
8614                 return null;
8615         }
8616
8617         // Support: IE 9 - 11 only
8618         // IE throws on parseFromString with invalid input.
8619         try {
8620                 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8621         } catch ( e ) {
8622                 xml = undefined;
8623         }
8624
8625         if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8626                 jQuery.error( "Invalid XML: " + data );
8627         }
8628         return xml;
8629 };
8630
8631
8632 var
8633         rbracket = /\[\]$/,
8634         rCRLF = /\r?\n/g,
8635         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8636         rsubmittable = /^(?:input|select|textarea|keygen)/i;
8637
8638 function buildParams( prefix, obj, traditional, add ) {
8639         var name;
8640
8641         if ( Array.isArray( obj ) ) {
8642
8643                 // Serialize array item.
8644                 jQuery.each( obj, function( i, v ) {
8645                         if ( traditional || rbracket.test( prefix ) ) {
8646
8647                                 // Treat each array item as a scalar.
8648                                 add( prefix, v );
8649
8650                         } else {
8651
8652                                 // Item is non-scalar (array or object), encode its numeric index.
8653                                 buildParams(
8654                                         prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8655                                         v,
8656                                         traditional,
8657                                         add
8658                                 );
8659                         }
8660                 } );
8661
8662         } else if ( !traditional && toType( obj ) === "object" ) {
8663
8664                 // Serialize object item.
8665                 for ( name in obj ) {
8666                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8667                 }
8668
8669         } else {
8670
8671                 // Serialize scalar item.
8672                 add( prefix, obj );
8673         }
8674 }
8675
8676 // Serialize an array of form elements or a set of
8677 // key/values into a query string
8678 jQuery.param = function( a, traditional ) {
8679         var prefix,
8680                 s = [],
8681                 add = function( key, valueOrFunction ) {
8682
8683                         // If value is a function, invoke it and use its return value
8684                         var value = isFunction( valueOrFunction ) ?
8685                                 valueOrFunction() :
8686                                 valueOrFunction;
8687
8688                         s[ s.length ] = encodeURIComponent( key ) + "=" +
8689                                 encodeURIComponent( value == null ? "" : value );
8690                 };
8691
8692         if ( a == null ) {
8693                 return "";
8694         }
8695
8696         // If an array was passed in, assume that it is an array of form elements.
8697         if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8698
8699                 // Serialize the form elements
8700                 jQuery.each( a, function() {
8701                         add( this.name, this.value );
8702                 } );
8703
8704         } else {
8705
8706                 // If traditional, encode the "old" way (the way 1.3.2 or older
8707                 // did it), otherwise encode params recursively.
8708                 for ( prefix in a ) {
8709                         buildParams( prefix, a[ prefix ], traditional, add );
8710                 }
8711         }
8712
8713         // Return the resulting serialization
8714         return s.join( "&" );
8715 };
8716
8717 jQuery.fn.extend( {
8718         serialize: function() {
8719                 return jQuery.param( this.serializeArray() );
8720         },
8721         serializeArray: function() {
8722                 return this.map( function() {
8723
8724                         // Can add propHook for "elements" to filter or add form elements
8725                         var elements = jQuery.prop( this, "elements" );
8726                         return elements ? jQuery.makeArray( elements ) : this;
8727                 } )
8728                 .filter( function() {
8729                         var type = this.type;
8730
8731                         // Use .is( ":disabled" ) so that fieldset[disabled] works
8732                         return this.name && !jQuery( this ).is( ":disabled" ) &&
8733                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8734                                 ( this.checked || !rcheckableType.test( type ) );
8735                 } )
8736                 .map( function( i, elem ) {
8737                         var val = jQuery( this ).val();
8738
8739                         if ( val == null ) {
8740                                 return null;
8741                         }
8742
8743                         if ( Array.isArray( val ) ) {
8744                                 return jQuery.map( val, function( val ) {
8745                                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8746                                 } );
8747                         }
8748
8749                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8750                 } ).get();
8751         }
8752 } );
8753
8754
8755 var
8756         r20 = /%20/g,
8757         rhash = /#.*$/,
8758         rantiCache = /([?&])_=[^&]*/,
8759         rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
8760
8761         // #7653, #8125, #8152: local protocol detection
8762         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8763         rnoContent = /^(?:GET|HEAD)$/,
8764         rprotocol = /^\/\//,
8765
8766         /* Prefilters
8767          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8768          * 2) These are called:
8769          *    - BEFORE asking for a transport
8770          *    - AFTER param serialization (s.data is a string if s.processData is true)
8771          * 3) key is the dataType
8772          * 4) the catchall symbol "*" can be used
8773          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8774          */
8775         prefilters = {},
8776
8777         /* Transports bindings
8778          * 1) key is the dataType
8779          * 2) the catchall symbol "*" can be used
8780          * 3) selection will start with transport dataType and THEN go to "*" if needed
8781          */
8782         transports = {},
8783
8784         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8785         allTypes = "*/".concat( "*" ),
8786
8787         // Anchor tag for parsing the document origin
8788         originAnchor = document.createElement( "a" );
8789         originAnchor.href = location.href;
8790
8791 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8792 function addToPrefiltersOrTransports( structure ) {
8793
8794         // dataTypeExpression is optional and defaults to "*"
8795         return function( dataTypeExpression, func ) {
8796
8797                 if ( typeof dataTypeExpression !== "string" ) {
8798                         func = dataTypeExpression;
8799                         dataTypeExpression = "*";
8800                 }
8801
8802                 var dataType,
8803                         i = 0,
8804                         dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
8805
8806                 if ( isFunction( func ) ) {
8807
8808                         // For each dataType in the dataTypeExpression
8809                         while ( ( dataType = dataTypes[ i++ ] ) ) {
8810
8811                                 // Prepend if requested
8812                                 if ( dataType[ 0 ] === "+" ) {
8813                                         dataType = dataType.slice( 1 ) || "*";
8814                                         ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
8815
8816                                 // Otherwise append
8817                                 } else {
8818                                         ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
8819                                 }
8820                         }
8821                 }
8822         };
8823 }
8824
8825 // Base inspection function for prefilters and transports
8826 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8827
8828         var inspected = {},
8829                 seekingTransport = ( structure === transports );
8830
8831         function inspect( dataType ) {
8832                 var selected;
8833                 inspected[ dataType ] = true;
8834                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8835                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8836                         if ( typeof dataTypeOrTransport === "string" &&
8837                                 !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8838
8839                                 options.dataTypes.unshift( dataTypeOrTransport );
8840                                 inspect( dataTypeOrTransport );
8841                                 return false;
8842                         } else if ( seekingTransport ) {
8843                                 return !( selected = dataTypeOrTransport );
8844                         }
8845                 } );
8846                 return selected;
8847         }
8848
8849         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8850 }
8851
8852 // A special extend for ajax options
8853 // that takes "flat" options (not to be deep extended)
8854 // Fixes #9887
8855 function ajaxExtend( target, src ) {
8856         var key, deep,
8857                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8858
8859         for ( key in src ) {
8860                 if ( src[ key ] !== undefined ) {
8861                         ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
8862                 }
8863         }
8864         if ( deep ) {
8865                 jQuery.extend( true, target, deep );
8866         }
8867
8868         return target;
8869 }
8870
8871 /* Handles responses to an ajax request:
8872  * - finds the right dataType (mediates between content-type and expected dataType)
8873  * - returns the corresponding response
8874  */
8875 function ajaxHandleResponses( s, jqXHR, responses ) {
8876
8877         var ct, type, finalDataType, firstDataType,
8878                 contents = s.contents,
8879                 dataTypes = s.dataTypes;
8880
8881         // Remove auto dataType and get content-type in the process
8882         while ( dataTypes[ 0 ] === "*" ) {
8883                 dataTypes.shift();
8884                 if ( ct === undefined ) {
8885                         ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
8886                 }
8887         }
8888
8889         // Check if we're dealing with a known content-type
8890         if ( ct ) {
8891                 for ( type in contents ) {
8892                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8893                                 dataTypes.unshift( type );
8894                                 break;
8895                         }
8896                 }
8897         }
8898
8899         // Check to see if we have a response for the expected dataType
8900         if ( dataTypes[ 0 ] in responses ) {
8901                 finalDataType = dataTypes[ 0 ];
8902         } else {
8903
8904                 // Try convertible dataTypes
8905                 for ( type in responses ) {
8906                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
8907                                 finalDataType = type;
8908                                 break;
8909                         }
8910                         if ( !firstDataType ) {
8911                                 firstDataType = type;
8912                         }
8913                 }
8914
8915                 // Or just use first one
8916                 finalDataType = finalDataType || firstDataType;
8917         }
8918
8919         // If we found a dataType
8920         // We add the dataType to the list if needed
8921         // and return the corresponding response
8922         if ( finalDataType ) {
8923                 if ( finalDataType !== dataTypes[ 0 ] ) {
8924                         dataTypes.unshift( finalDataType );
8925                 }
8926                 return responses[ finalDataType ];
8927         }
8928 }
8929
8930 /* Chain conversions given the request and the original response
8931  * Also sets the responseXXX fields on the jqXHR instance
8932  */
8933 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8934         var conv2, current, conv, tmp, prev,
8935                 converters = {},
8936
8937                 // Work with a copy of dataTypes in case we need to modify it for conversion
8938                 dataTypes = s.dataTypes.slice();
8939
8940         // Create converters map with lowercased keys
8941         if ( dataTypes[ 1 ] ) {
8942                 for ( conv in s.converters ) {
8943                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8944                 }
8945         }
8946
8947         current = dataTypes.shift();
8948
8949         // Convert to each sequential dataType
8950         while ( current ) {
8951
8952                 if ( s.responseFields[ current ] ) {
8953                         jqXHR[ s.responseFields[ current ] ] = response;
8954                 }
8955
8956                 // Apply the dataFilter if provided
8957                 if ( !prev && isSuccess && s.dataFilter ) {
8958                         response = s.dataFilter( response, s.dataType );
8959                 }
8960
8961                 prev = current;
8962                 current = dataTypes.shift();
8963
8964                 if ( current ) {
8965
8966                         // There's only work to do if current dataType is non-auto
8967                         if ( current === "*" ) {
8968
8969                                 current = prev;
8970
8971                         // Convert response if prev dataType is non-auto and differs from current
8972                         } else if ( prev !== "*" && prev !== current ) {
8973
8974                                 // Seek a direct converter
8975                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8976
8977                                 // If none found, seek a pair
8978                                 if ( !conv ) {
8979                                         for ( conv2 in converters ) {
8980
8981                                                 // If conv2 outputs current
8982                                                 tmp = conv2.split( " " );
8983                                                 if ( tmp[ 1 ] === current ) {
8984
8985                                                         // If prev can be converted to accepted input
8986                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8987                                                                 converters[ "* " + tmp[ 0 ] ];
8988                                                         if ( conv ) {
8989
8990                                                                 // Condense equivalence converters
8991                                                                 if ( conv === true ) {
8992                                                                         conv = converters[ conv2 ];
8993
8994                                                                 // Otherwise, insert the intermediate dataType
8995                                                                 } else if ( converters[ conv2 ] !== true ) {
8996                                                                         current = tmp[ 0 ];
8997                                                                         dataTypes.unshift( tmp[ 1 ] );
8998                                                                 }
8999                                                                 break;
9000                                                         }
9001                                                 }
9002                                         }
9003                                 }
9004
9005                                 // Apply converter (if not an equivalence)
9006                                 if ( conv !== true ) {
9007
9008                                         // Unless errors are allowed to bubble, catch and return them
9009                                         if ( conv && s.throws ) {
9010                                                 response = conv( response );
9011                                         } else {
9012                                                 try {
9013                                                         response = conv( response );
9014                                                 } catch ( e ) {
9015                                                         return {
9016                                                                 state: "parsererror",
9017                                                                 error: conv ? e : "No conversion from " + prev + " to " + current
9018                                                         };
9019                                                 }
9020                                         }
9021                                 }
9022                         }
9023                 }
9024         }
9025
9026         return { state: "success", data: response };
9027 }
9028
9029 jQuery.extend( {
9030
9031         // Counter for holding the number of active queries
9032         active: 0,
9033
9034         // Last-Modified header cache for next request
9035         lastModified: {},
9036         etag: {},
9037
9038         ajaxSettings: {
9039                 url: location.href,
9040                 type: "GET",
9041                 isLocal: rlocalProtocol.test( location.protocol ),
9042                 global: true,
9043                 processData: true,
9044                 async: true,
9045                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
9046
9047                 /*
9048                 timeout: 0,
9049                 data: null,
9050                 dataType: null,
9051                 username: null,
9052                 password: null,
9053                 cache: null,
9054                 throws: false,
9055                 traditional: false,
9056                 headers: {},
9057                 */
9058
9059                 accepts: {
9060                         "*": allTypes,
9061                         text: "text/plain",
9062                         html: "text/html",
9063                         xml: "application/xml, text/xml",
9064                         json: "application/json, text/javascript"
9065                 },
9066
9067                 contents: {
9068                         xml: /\bxml\b/,
9069                         html: /\bhtml/,
9070                         json: /\bjson\b/
9071                 },
9072
9073                 responseFields: {
9074                         xml: "responseXML",
9075                         text: "responseText",
9076                         json: "responseJSON"
9077                 },
9078
9079                 // Data converters
9080                 // Keys separate source (or catchall "*") and destination types with a single space
9081                 converters: {
9082
9083                         // Convert anything to text
9084                         "* text": String,
9085
9086                         // Text to html (true = no transformation)
9087                         "text html": true,
9088
9089                         // Evaluate text as a json expression
9090                         "text json": JSON.parse,
9091
9092                         // Parse text as xml
9093                         "text xml": jQuery.parseXML
9094                 },
9095
9096                 // For options that shouldn't be deep extended:
9097                 // you can add your own custom options here if
9098                 // and when you create one that shouldn't be
9099                 // deep extended (see ajaxExtend)
9100                 flatOptions: {
9101                         url: true,
9102                         context: true
9103                 }
9104         },
9105
9106         // Creates a full fledged settings object into target
9107         // with both ajaxSettings and settings fields.
9108         // If target is omitted, writes into ajaxSettings.
9109         ajaxSetup: function( target, settings ) {
9110                 return settings ?
9111
9112                         // Building a settings object
9113                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
9114
9115                         // Extending ajaxSettings
9116                         ajaxExtend( jQuery.ajaxSettings, target );
9117         },
9118
9119         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
9120         ajaxTransport: addToPrefiltersOrTransports( transports ),
9121
9122         // Main method
9123         ajax: function( url, options ) {
9124
9125                 // If url is an object, simulate pre-1.5 signature
9126                 if ( typeof url === "object" ) {
9127                         options = url;
9128                         url = undefined;
9129                 }
9130
9131                 // Force options to be an object
9132                 options = options || {};
9133
9134                 var transport,
9135
9136                         // URL without anti-cache param
9137                         cacheURL,
9138
9139                         // Response headers
9140                         responseHeadersString,
9141                         responseHeaders,
9142
9143                         // timeout handle
9144                         timeoutTimer,
9145
9146                         // Url cleanup var
9147                         urlAnchor,
9148
9149                         // Request state (becomes false upon send and true upon completion)
9150                         completed,
9151
9152                         // To know if global events are to be dispatched
9153                         fireGlobals,
9154
9155                         // Loop variable
9156                         i,
9157
9158                         // uncached part of the url
9159                         uncached,
9160
9161                         // Create the final options object
9162                         s = jQuery.ajaxSetup( {}, options ),
9163
9164                         // Callbacks context
9165                         callbackContext = s.context || s,
9166
9167                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
9168                         globalEventContext = s.context &&
9169                                 ( callbackContext.nodeType || callbackContext.jquery ) ?
9170                                         jQuery( callbackContext ) :
9171                                         jQuery.event,
9172
9173                         // Deferreds
9174                         deferred = jQuery.Deferred(),
9175                         completeDeferred = jQuery.Callbacks( "once memory" ),
9176
9177                         // Status-dependent callbacks
9178                         statusCode = s.statusCode || {},
9179
9180                         // Headers (they are sent all at once)
9181                         requestHeaders = {},
9182                         requestHeadersNames = {},
9183
9184                         // Default abort message
9185                         strAbort = "canceled",
9186
9187                         // Fake xhr
9188                         jqXHR = {
9189                                 readyState: 0,
9190
9191                                 // Builds headers hashtable if needed
9192                                 getResponseHeader: function( key ) {
9193                                         var match;
9194                                         if ( completed ) {
9195                                                 if ( !responseHeaders ) {
9196                                                         responseHeaders = {};
9197                                                         while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
9198                                                                 responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
9199                                                                         ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
9200                                                                                 .concat( match[ 2 ] );
9201                                                         }
9202                                                 }
9203                                                 match = responseHeaders[ key.toLowerCase() + " " ];
9204                                         }
9205                                         return match == null ? null : match.join( ", " );
9206                                 },
9207
9208                                 // Raw string
9209                                 getAllResponseHeaders: function() {
9210                                         return completed ? responseHeadersString : null;
9211                                 },
9212
9213                                 // Caches the header
9214                                 setRequestHeader: function( name, value ) {
9215                                         if ( completed == null ) {
9216                                                 name = requestHeadersNames[ name.toLowerCase() ] =
9217                                                         requestHeadersNames[ name.toLowerCase() ] || name;
9218                                                 requestHeaders[ name ] = value;
9219                                         }
9220                                         return this;
9221                                 },
9222
9223                                 // Overrides response content-type header
9224                                 overrideMimeType: function( type ) {
9225                                         if ( completed == null ) {
9226                                                 s.mimeType = type;
9227                                         }
9228                                         return this;
9229                                 },
9230
9231                                 // Status-dependent callbacks
9232                                 statusCode: function( map ) {
9233                                         var code;
9234                                         if ( map ) {
9235                                                 if ( completed ) {
9236
9237                                                         // Execute the appropriate callbacks
9238                                                         jqXHR.always( map[ jqXHR.status ] );
9239                                                 } else {
9240
9241                                                         // Lazy-add the new callbacks in a way that preserves old ones
9242                                                         for ( code in map ) {
9243                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9244                                                         }
9245                                                 }
9246                                         }
9247                                         return this;
9248                                 },
9249
9250                                 // Cancel the request
9251                                 abort: function( statusText ) {
9252                                         var finalText = statusText || strAbort;
9253                                         if ( transport ) {
9254                                                 transport.abort( finalText );
9255                                         }
9256                                         done( 0, finalText );
9257                                         return this;
9258                                 }
9259                         };
9260
9261                 // Attach deferreds
9262                 deferred.promise( jqXHR );
9263
9264                 // Add protocol if not provided (prefilters might expect it)
9265                 // Handle falsy url in the settings object (#10093: consistency with old signature)
9266                 // We also use the url parameter if available
9267                 s.url = ( ( url || s.url || location.href ) + "" )
9268                         .replace( rprotocol, location.protocol + "//" );
9269
9270                 // Alias method option to type as per ticket #12004
9271                 s.type = options.method || options.type || s.method || s.type;
9272
9273                 // Extract dataTypes list
9274                 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
9275
9276                 // A cross-domain request is in order when the origin doesn't match the current origin.
9277                 if ( s.crossDomain == null ) {
9278                         urlAnchor = document.createElement( "a" );
9279
9280                         // Support: IE <=8 - 11, Edge 12 - 15
9281                         // IE throws exception on accessing the href property if url is malformed,
9282                         // e.g. http://example.com:80x/
9283                         try {
9284                                 urlAnchor.href = s.url;
9285
9286                                 // Support: IE <=8 - 11 only
9287                                 // Anchor's host property isn't correctly set when s.url is relative
9288                                 urlAnchor.href = urlAnchor.href;
9289                                 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
9290                                         urlAnchor.protocol + "//" + urlAnchor.host;
9291                         } catch ( e ) {
9292
9293                                 // If there is an error parsing the URL, assume it is crossDomain,
9294                                 // it can be rejected by the transport if it is invalid
9295                                 s.crossDomain = true;
9296                         }
9297                 }
9298
9299                 // Convert data if not already a string
9300                 if ( s.data && s.processData && typeof s.data !== "string" ) {
9301                         s.data = jQuery.param( s.data, s.traditional );
9302                 }
9303
9304                 // Apply prefilters
9305                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9306
9307                 // If request was aborted inside a prefilter, stop there
9308                 if ( completed ) {
9309                         return jqXHR;
9310                 }
9311
9312                 // We can fire global events as of now if asked to
9313                 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9314                 fireGlobals = jQuery.event && s.global;
9315
9316                 // Watch for a new set of requests
9317                 if ( fireGlobals && jQuery.active++ === 0 ) {
9318                         jQuery.event.trigger( "ajaxStart" );
9319                 }
9320
9321                 // Uppercase the type
9322                 s.type = s.type.toUpperCase();
9323
9324                 // Determine if request has content
9325                 s.hasContent = !rnoContent.test( s.type );
9326
9327                 // Save the URL in case we're toying with the If-Modified-Since
9328                 // and/or If-None-Match header later on
9329                 // Remove hash to simplify url manipulation
9330                 cacheURL = s.url.replace( rhash, "" );
9331
9332                 // More options handling for requests with no content
9333                 if ( !s.hasContent ) {
9334
9335                         // Remember the hash so we can put it back
9336                         uncached = s.url.slice( cacheURL.length );
9337
9338                         // If data is available and should be processed, append data to url
9339                         if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
9340                                 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9341
9342                                 // #9682: remove data so that it's not used in an eventual retry
9343                                 delete s.data;
9344                         }
9345
9346                         // Add or update anti-cache param if needed
9347                         if ( s.cache === false ) {
9348                                 cacheURL = cacheURL.replace( rantiCache, "$1" );
9349                                 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
9350                         }
9351
9352                         // Put hash and anti-cache on the URL that will be requested (gh-1732)
9353                         s.url = cacheURL + uncached;
9354
9355                 // Change '%20' to '+' if this is encoded form body content (gh-2658)
9356                 } else if ( s.data && s.processData &&
9357                         ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9358                         s.data = s.data.replace( r20, "+" );
9359                 }
9360
9361                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9362                 if ( s.ifModified ) {
9363                         if ( jQuery.lastModified[ cacheURL ] ) {
9364                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9365                         }
9366                         if ( jQuery.etag[ cacheURL ] ) {
9367                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9368                         }
9369                 }
9370
9371                 // Set the correct header, if data is being sent
9372                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9373                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
9374                 }
9375
9376                 // Set the Accepts header for the server, depending on the dataType
9377                 jqXHR.setRequestHeader(
9378                         "Accept",
9379                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9380                                 s.accepts[ s.dataTypes[ 0 ] ] +
9381                                         ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9382                                 s.accepts[ "*" ]
9383                 );
9384
9385                 // Check for headers option
9386                 for ( i in s.headers ) {
9387                         jqXHR.setRequestHeader( i, s.headers[ i ] );
9388                 }
9389
9390                 // Allow custom headers/mimetypes and early abort
9391                 if ( s.beforeSend &&
9392                         ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9393
9394                         // Abort if not done already and return
9395                         return jqXHR.abort();
9396                 }
9397
9398                 // Aborting is no longer a cancellation
9399                 strAbort = "abort";
9400
9401                 // Install callbacks on deferreds
9402                 completeDeferred.add( s.complete );
9403                 jqXHR.done( s.success );
9404                 jqXHR.fail( s.error );
9405
9406                 // Get transport
9407                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9408
9409                 // If no transport, we auto-abort
9410                 if ( !transport ) {
9411                         done( -1, "No Transport" );
9412                 } else {
9413                         jqXHR.readyState = 1;
9414
9415                         // Send global event
9416                         if ( fireGlobals ) {
9417                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9418                         }
9419
9420                         // If request was aborted inside ajaxSend, stop there
9421                         if ( completed ) {
9422                                 return jqXHR;
9423                         }
9424
9425                         // Timeout
9426                         if ( s.async && s.timeout > 0 ) {
9427                                 timeoutTimer = window.setTimeout( function() {
9428                                         jqXHR.abort( "timeout" );
9429                                 }, s.timeout );
9430                         }
9431
9432                         try {
9433                                 completed = false;
9434                                 transport.send( requestHeaders, done );
9435                         } catch ( e ) {
9436
9437                                 // Rethrow post-completion exceptions
9438                                 if ( completed ) {
9439                                         throw e;
9440                                 }
9441
9442                                 // Propagate others as results
9443                                 done( -1, e );
9444                         }
9445                 }
9446
9447                 // Callback for when everything is done
9448                 function done( status, nativeStatusText, responses, headers ) {
9449                         var isSuccess, success, error, response, modified,
9450                                 statusText = nativeStatusText;
9451
9452                         // Ignore repeat invocations
9453                         if ( completed ) {
9454                                 return;
9455                         }
9456
9457                         completed = true;
9458
9459                         // Clear timeout if it exists
9460                         if ( timeoutTimer ) {
9461                                 window.clearTimeout( timeoutTimer );
9462                         }
9463
9464                         // Dereference transport for early garbage collection
9465                         // (no matter how long the jqXHR object will be used)
9466                         transport = undefined;
9467
9468                         // Cache response headers
9469                         responseHeadersString = headers || "";
9470
9471                         // Set readyState
9472                         jqXHR.readyState = status > 0 ? 4 : 0;
9473
9474                         // Determine if successful
9475                         isSuccess = status >= 200 && status < 300 || status === 304;
9476
9477                         // Get response data
9478                         if ( responses ) {
9479                                 response = ajaxHandleResponses( s, jqXHR, responses );
9480                         }
9481
9482                         // Convert no matter what (that way responseXXX fields are always set)
9483                         response = ajaxConvert( s, response, jqXHR, isSuccess );
9484
9485                         // If successful, handle type chaining
9486                         if ( isSuccess ) {
9487
9488                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9489                                 if ( s.ifModified ) {
9490                                         modified = jqXHR.getResponseHeader( "Last-Modified" );
9491                                         if ( modified ) {
9492                                                 jQuery.lastModified[ cacheURL ] = modified;
9493                                         }
9494                                         modified = jqXHR.getResponseHeader( "etag" );
9495                                         if ( modified ) {
9496                                                 jQuery.etag[ cacheURL ] = modified;
9497                                         }
9498                                 }
9499
9500                                 // if no content
9501                                 if ( status === 204 || s.type === "HEAD" ) {
9502                                         statusText = "nocontent";
9503
9504                                 // if not modified
9505                                 } else if ( status === 304 ) {
9506                                         statusText = "notmodified";
9507
9508                                 // If we have data, let's convert it
9509                                 } else {
9510                                         statusText = response.state;
9511                                         success = response.data;
9512                                         error = response.error;
9513                                         isSuccess = !error;
9514                                 }
9515                         } else {
9516
9517                                 // Extract error from statusText and normalize for non-aborts
9518                                 error = statusText;
9519                                 if ( status || !statusText ) {
9520                                         statusText = "error";
9521                                         if ( status < 0 ) {
9522                                                 status = 0;
9523                                         }
9524                                 }
9525                         }
9526
9527                         // Set data for the fake xhr object
9528                         jqXHR.status = status;
9529                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9530
9531                         // Success/Error
9532                         if ( isSuccess ) {
9533                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9534                         } else {
9535                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9536                         }
9537
9538                         // Status-dependent callbacks
9539                         jqXHR.statusCode( statusCode );
9540                         statusCode = undefined;
9541
9542                         if ( fireGlobals ) {
9543                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9544                                         [ jqXHR, s, isSuccess ? success : error ] );
9545                         }
9546
9547                         // Complete
9548                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9549
9550                         if ( fireGlobals ) {
9551                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9552
9553                                 // Handle the global AJAX counter
9554                                 if ( !( --jQuery.active ) ) {
9555                                         jQuery.event.trigger( "ajaxStop" );
9556                                 }
9557                         }
9558                 }
9559
9560                 return jqXHR;
9561         },
9562
9563         getJSON: function( url, data, callback ) {
9564                 return jQuery.get( url, data, callback, "json" );
9565         },
9566
9567         getScript: function( url, callback ) {
9568                 return jQuery.get( url, undefined, callback, "script" );
9569         }
9570 } );
9571
9572 jQuery.each( [ "get", "post" ], function( i, method ) {
9573         jQuery[ method ] = function( url, data, callback, type ) {
9574
9575                 // Shift arguments if data argument was omitted
9576                 if ( isFunction( data ) ) {
9577                         type = type || callback;
9578                         callback = data;
9579                         data = undefined;
9580                 }
9581
9582                 // The url can be an options object (which then must have .url)
9583                 return jQuery.ajax( jQuery.extend( {
9584                         url: url,
9585                         type: method,
9586                         dataType: type,
9587                         data: data,
9588                         success: callback
9589                 }, jQuery.isPlainObject( url ) && url ) );
9590         };
9591 } );
9592
9593
9594 jQuery._evalUrl = function( url, options ) {
9595         return jQuery.ajax( {
9596                 url: url,
9597
9598                 // Make this explicit, since user can override this through ajaxSetup (#11264)
9599                 type: "GET",
9600                 dataType: "script",
9601                 cache: true,
9602                 async: false,
9603                 global: false,
9604
9605                 // Only evaluate the response if it is successful (gh-4126)
9606                 // dataFilter is not invoked for failure responses, so using it instead
9607                 // of the default converter is kludgy but it works.
9608                 converters: {
9609                         "text script": function() {}
9610                 },
9611                 dataFilter: function( response ) {
9612                         jQuery.globalEval( response, options );
9613                 }
9614         } );
9615 };
9616
9617
9618 jQuery.fn.extend( {
9619         wrapAll: function( html ) {
9620                 var wrap;
9621
9622                 if ( this[ 0 ] ) {
9623                         if ( isFunction( html ) ) {
9624                                 html = html.call( this[ 0 ] );
9625                         }
9626
9627                         // The elements to wrap the target around
9628                         wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9629
9630                         if ( this[ 0 ].parentNode ) {
9631                                 wrap.insertBefore( this[ 0 ] );
9632                         }
9633
9634                         wrap.map( function() {
9635                                 var elem = this;
9636
9637                                 while ( elem.firstElementChild ) {
9638                                         elem = elem.firstElementChild;
9639                                 }
9640
9641                                 return elem;
9642                         } ).append( this );
9643                 }
9644
9645                 return this;
9646         },
9647
9648         wrapInner: function( html ) {
9649                 if ( isFunction( html ) ) {
9650                         return this.each( function( i ) {
9651                                 jQuery( this ).wrapInner( html.call( this, i ) );
9652                         } );
9653                 }
9654
9655                 return this.each( function() {
9656                         var self = jQuery( this ),
9657                                 contents = self.contents();
9658
9659                         if ( contents.length ) {
9660                                 contents.wrapAll( html );
9661
9662                         } else {
9663                                 self.append( html );
9664                         }
9665                 } );
9666         },
9667
9668         wrap: function( html ) {
9669                 var htmlIsFunction = isFunction( html );
9670
9671                 return this.each( function( i ) {
9672                         jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
9673                 } );
9674         },
9675
9676         unwrap: function( selector ) {
9677                 this.parent( selector ).not( "body" ).each( function() {
9678                         jQuery( this ).replaceWith( this.childNodes );
9679                 } );
9680                 return this;
9681         }
9682 } );
9683
9684
9685 jQuery.expr.pseudos.hidden = function( elem ) {
9686         return !jQuery.expr.pseudos.visible( elem );
9687 };
9688 jQuery.expr.pseudos.visible = function( elem ) {
9689         return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9690 };
9691
9692
9693
9694
9695 jQuery.ajaxSettings.xhr = function() {
9696         try {
9697                 return new window.XMLHttpRequest();
9698         } catch ( e ) {}
9699 };
9700
9701 var xhrSuccessStatus = {
9702
9703                 // File protocol always yields status code 0, assume 200
9704                 0: 200,
9705
9706                 // Support: IE <=9 only
9707                 // #1450: sometimes IE returns 1223 when it should be 204
9708                 1223: 204
9709         },
9710         xhrSupported = jQuery.ajaxSettings.xhr();
9711
9712 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9713 support.ajax = xhrSupported = !!xhrSupported;
9714
9715 jQuery.ajaxTransport( function( options ) {
9716         var callback, errorCallback;
9717
9718         // Cross domain only allowed if supported through XMLHttpRequest
9719         if ( support.cors || xhrSupported && !options.crossDomain ) {
9720                 return {
9721                         send: function( headers, complete ) {
9722                                 var i,
9723                                         xhr = options.xhr();
9724
9725                                 xhr.open(
9726                                         options.type,
9727                                         options.url,
9728                                         options.async,
9729                                         options.username,
9730                                         options.password
9731                                 );
9732
9733                                 // Apply custom fields if provided
9734                                 if ( options.xhrFields ) {
9735                                         for ( i in options.xhrFields ) {
9736                                                 xhr[ i ] = options.xhrFields[ i ];
9737                                         }
9738                                 }
9739
9740                                 // Override mime type if needed
9741                                 if ( options.mimeType && xhr.overrideMimeType ) {
9742                                         xhr.overrideMimeType( options.mimeType );
9743                                 }
9744
9745                                 // X-Requested-With header
9746                                 // For cross-domain requests, seeing as conditions for a preflight are
9747                                 // akin to a jigsaw puzzle, we simply never set it to be sure.
9748                                 // (it can always be set on a per-request basis or even using ajaxSetup)
9749                                 // For same-domain requests, won't change header if already provided.
9750                                 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
9751                                         headers[ "X-Requested-With" ] = "XMLHttpRequest";
9752                                 }
9753
9754                                 // Set headers
9755                                 for ( i in headers ) {
9756                                         xhr.setRequestHeader( i, headers[ i ] );
9757                                 }
9758
9759                                 // Callback
9760                                 callback = function( type ) {
9761                                         return function() {
9762                                                 if ( callback ) {
9763                                                         callback = errorCallback = xhr.onload =
9764                                                                 xhr.onerror = xhr.onabort = xhr.ontimeout =
9765                                                                         xhr.onreadystatechange = null;
9766
9767                                                         if ( type === "abort" ) {
9768                                                                 xhr.abort();
9769                                                         } else if ( type === "error" ) {
9770
9771                                                                 // Support: IE <=9 only
9772                                                                 // On a manual native abort, IE9 throws
9773                                                                 // errors on any property access that is not readyState
9774                                                                 if ( typeof xhr.status !== "number" ) {
9775                                                                         complete( 0, "error" );
9776                                                                 } else {
9777                                                                         complete(
9778
9779                                                                                 // File: protocol always yields status 0; see #8605, #14207
9780                                                                                 xhr.status,
9781                                                                                 xhr.statusText
9782                                                                         );
9783                                                                 }
9784                                                         } else {
9785                                                                 complete(
9786                                                                         xhrSuccessStatus[ xhr.status ] || xhr.status,
9787                                                                         xhr.statusText,
9788
9789                                                                         // Support: IE <=9 only
9790                                                                         // IE9 has no XHR2 but throws on binary (trac-11426)
9791                                                                         // For XHR2 non-text, let the caller handle it (gh-2498)
9792                                                                         ( xhr.responseType || "text" ) !== "text"  ||
9793                                                                         typeof xhr.responseText !== "string" ?
9794                                                                                 { binary: xhr.response } :
9795                                                                                 { text: xhr.responseText },
9796                                                                         xhr.getAllResponseHeaders()
9797                                                                 );
9798                                                         }
9799                                                 }
9800                                         };
9801                                 };
9802
9803                                 // Listen to events
9804                                 xhr.onload = callback();
9805                                 errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
9806
9807                                 // Support: IE 9 only
9808                                 // Use onreadystatechange to replace onabort
9809                                 // to handle uncaught aborts
9810                                 if ( xhr.onabort !== undefined ) {
9811                                         xhr.onabort = errorCallback;
9812                                 } else {
9813                                         xhr.onreadystatechange = function() {
9814
9815                                                 // Check readyState before timeout as it changes
9816                                                 if ( xhr.readyState === 4 ) {
9817
9818                                                         // Allow onerror to be called first,
9819                                                         // but that will not handle a native abort
9820                                                         // Also, save errorCallback to a variable
9821                                                         // as xhr.onerror cannot be accessed
9822                                                         window.setTimeout( function() {
9823                                                                 if ( callback ) {
9824                                                                         errorCallback();
9825                                                                 }
9826                                                         } );
9827                                                 }
9828                                         };
9829                                 }
9830
9831                                 // Create the abort callback
9832                                 callback = callback( "abort" );
9833
9834                                 try {
9835
9836                                         // Do send the request (this may raise an exception)
9837                                         xhr.send( options.hasContent && options.data || null );
9838                                 } catch ( e ) {
9839
9840                                         // #14683: Only rethrow if this hasn't been notified as an error yet
9841                                         if ( callback ) {
9842                                                 throw e;
9843                                         }
9844                                 }
9845                         },
9846
9847                         abort: function() {
9848                                 if ( callback ) {
9849                                         callback();
9850                                 }
9851                         }
9852                 };
9853         }
9854 } );
9855
9856
9857
9858
9859 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
9860 jQuery.ajaxPrefilter( function( s ) {
9861         if ( s.crossDomain ) {
9862                 s.contents.script = false;
9863         }
9864 } );
9865
9866 // Install script dataType
9867 jQuery.ajaxSetup( {
9868         accepts: {
9869                 script: "text/javascript, application/javascript, " +
9870                         "application/ecmascript, application/x-ecmascript"
9871         },
9872         contents: {
9873                 script: /\b(?:java|ecma)script\b/
9874         },
9875         converters: {
9876                 "text script": function( text ) {
9877                         jQuery.globalEval( text );
9878                         return text;
9879                 }
9880         }
9881 } );
9882
9883 // Handle cache's special case and crossDomain
9884 jQuery.ajaxPrefilter( "script", function( s ) {
9885         if ( s.cache === undefined ) {
9886                 s.cache = false;
9887         }
9888         if ( s.crossDomain ) {
9889                 s.type = "GET";
9890         }
9891 } );
9892
9893 // Bind script tag hack transport
9894 jQuery.ajaxTransport( "script", function( s ) {
9895
9896         // This transport only deals with cross domain or forced-by-attrs requests
9897         if ( s.crossDomain || s.scriptAttrs ) {
9898                 var script, callback;
9899                 return {
9900                         send: function( _, complete ) {
9901                                 script = jQuery( "<script>" )
9902                                         .attr( s.scriptAttrs || {} )
9903                                         .prop( { charset: s.scriptCharset, src: s.url } )
9904                                         .on( "load error", callback = function( evt ) {
9905                                                 script.remove();
9906                                                 callback = null;
9907                                                 if ( evt ) {
9908                                                         complete( evt.type === "error" ? 404 : 200, evt.type );
9909                                                 }
9910                                         } );
9911
9912                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
9913                                 document.head.appendChild( script[ 0 ] );
9914                         },
9915                         abort: function() {
9916                                 if ( callback ) {
9917                                         callback();
9918                                 }
9919                         }
9920                 };
9921         }
9922 } );
9923
9924
9925
9926
9927 var oldCallbacks = [],
9928         rjsonp = /(=)\?(?=&|$)|\?\?/;
9929
9930 // Default jsonp settings
9931 jQuery.ajaxSetup( {
9932         jsonp: "callback",
9933         jsonpCallback: function() {
9934                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9935                 this[ callback ] = true;
9936                 return callback;
9937         }
9938 } );
9939
9940 // Detect, normalize options and install callbacks for jsonp requests
9941 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9942
9943         var callbackName, overwritten, responseContainer,
9944                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9945                         "url" :
9946                         typeof s.data === "string" &&
9947                                 ( s.contentType || "" )
9948                                         .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9949                                 rjsonp.test( s.data ) && "data"
9950                 );
9951
9952         // Handle iff the expected data type is "jsonp" or we have a parameter to set
9953         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9954
9955                 // Get callback name, remembering preexisting value associated with it
9956                 callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
9957                         s.jsonpCallback() :
9958                         s.jsonpCallback;
9959
9960                 // Insert callback into url or form data
9961                 if ( jsonProp ) {
9962                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9963                 } else if ( s.jsonp !== false ) {
9964                         s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9965                 }
9966
9967                 // Use data converter to retrieve json after script execution
9968                 s.converters[ "script json" ] = function() {
9969                         if ( !responseContainer ) {
9970                                 jQuery.error( callbackName + " was not called" );
9971                         }
9972                         return responseContainer[ 0 ];
9973                 };
9974
9975                 // Force json dataType
9976                 s.dataTypes[ 0 ] = "json";
9977
9978                 // Install callback
9979                 overwritten = window[ callbackName ];
9980                 window[ callbackName ] = function() {
9981                         responseContainer = arguments;
9982                 };
9983
9984                 // Clean-up function (fires after converters)
9985                 jqXHR.always( function() {
9986
9987                         // If previous value didn't exist - remove it
9988                         if ( overwritten === undefined ) {
9989                                 jQuery( window ).removeProp( callbackName );
9990
9991                         // Otherwise restore preexisting value
9992                         } else {
9993                                 window[ callbackName ] = overwritten;
9994                         }
9995
9996                         // Save back as free
9997                         if ( s[ callbackName ] ) {
9998
9999                                 // Make sure that re-using the options doesn't screw things around
10000                                 s.jsonpCallback = originalSettings.jsonpCallback;
10001
10002                                 // Save the callback name for future use
10003                                 oldCallbacks.push( callbackName );
10004                         }
10005
10006                         // Call if it was a function and we have a response
10007                         if ( responseContainer && isFunction( overwritten ) ) {
10008                                 overwritten( responseContainer[ 0 ] );
10009                         }
10010
10011                         responseContainer = overwritten = undefined;
10012                 } );
10013
10014                 // Delegate to script
10015                 return "script";
10016         }
10017 } );
10018
10019
10020
10021
10022 // Support: Safari 8 only
10023 // In Safari 8 documents created via document.implementation.createHTMLDocument
10024 // collapse sibling forms: the second one becomes a child of the first one.
10025 // Because of that, this security measure has to be disabled in Safari 8.
10026 // https://bugs.webkit.org/show_bug.cgi?id=137337
10027 support.createHTMLDocument = ( function() {
10028         var body = document.implementation.createHTMLDocument( "" ).body;
10029         body.innerHTML = "<form></form><form></form>";
10030         return body.childNodes.length === 2;
10031 } )();
10032
10033
10034 // Argument "data" should be string of html
10035 // context (optional): If specified, the fragment will be created in this context,
10036 // defaults to document
10037 // keepScripts (optional): If true, will include scripts passed in the html string
10038 jQuery.parseHTML = function( data, context, keepScripts ) {
10039         if ( typeof data !== "string" ) {
10040                 return [];
10041         }
10042         if ( typeof context === "boolean" ) {
10043                 keepScripts = context;
10044                 context = false;
10045         }
10046
10047         var base, parsed, scripts;
10048
10049         if ( !context ) {
10050
10051                 // Stop scripts or inline event handlers from being executed immediately
10052                 // by using document.implementation
10053                 if ( support.createHTMLDocument ) {
10054                         context = document.implementation.createHTMLDocument( "" );
10055
10056                         // Set the base href for the created document
10057                         // so any parsed elements with URLs
10058                         // are based on the document's URL (gh-2965)
10059                         base = context.createElement( "base" );
10060                         base.href = document.location.href;
10061                         context.head.appendChild( base );
10062                 } else {
10063                         context = document;
10064                 }
10065         }
10066
10067         parsed = rsingleTag.exec( data );
10068         scripts = !keepScripts && [];
10069
10070         // Single tag
10071         if ( parsed ) {
10072                 return [ context.createElement( parsed[ 1 ] ) ];
10073         }
10074
10075         parsed = buildFragment( [ data ], context, scripts );
10076
10077         if ( scripts && scripts.length ) {
10078                 jQuery( scripts ).remove();
10079         }
10080
10081         return jQuery.merge( [], parsed.childNodes );
10082 };
10083
10084
10085 /**
10086  * Load a url into a page
10087  */
10088 jQuery.fn.load = function( url, params, callback ) {
10089         var selector, type, response,
10090                 self = this,
10091                 off = url.indexOf( " " );
10092
10093         if ( off > -1 ) {
10094                 selector = stripAndCollapse( url.slice( off ) );
10095                 url = url.slice( 0, off );
10096         }
10097
10098         // If it's a function
10099         if ( isFunction( params ) ) {
10100
10101                 // We assume that it's the callback
10102                 callback = params;
10103                 params = undefined;
10104
10105         // Otherwise, build a param string
10106         } else if ( params && typeof params === "object" ) {
10107                 type = "POST";
10108         }
10109
10110         // If we have elements to modify, make the request
10111         if ( self.length > 0 ) {
10112                 jQuery.ajax( {
10113                         url: url,
10114
10115                         // If "type" variable is undefined, then "GET" method will be used.
10116                         // Make value of this field explicit since
10117                         // user can override it through ajaxSetup method
10118                         type: type || "GET",
10119                         dataType: "html",
10120                         data: params
10121                 } ).done( function( responseText ) {
10122
10123                         // Save response for use in complete callback
10124                         response = arguments;
10125
10126                         self.html( selector ?
10127
10128                                 // If a selector was specified, locate the right elements in a dummy div
10129                                 // Exclude scripts to avoid IE 'Permission Denied' errors
10130                                 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
10131
10132                                 // Otherwise use the full result
10133                                 responseText );
10134
10135                 // If the request succeeds, this function gets "data", "status", "jqXHR"
10136                 // but they are ignored because response was set above.
10137                 // If it fails, this function gets "jqXHR", "status", "error"
10138                 } ).always( callback && function( jqXHR, status ) {
10139                         self.each( function() {
10140                                 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
10141                         } );
10142                 } );
10143         }
10144
10145         return this;
10146 };
10147
10148
10149
10150
10151 // Attach a bunch of functions for handling common AJAX events
10152 jQuery.each( [
10153         "ajaxStart",
10154         "ajaxStop",
10155         "ajaxComplete",
10156         "ajaxError",
10157         "ajaxSuccess",
10158         "ajaxSend"
10159 ], function( i, type ) {
10160         jQuery.fn[ type ] = function( fn ) {
10161                 return this.on( type, fn );
10162         };
10163 } );
10164
10165
10166
10167
10168 jQuery.expr.pseudos.animated = function( elem ) {
10169         return jQuery.grep( jQuery.timers, function( fn ) {
10170                 return elem === fn.elem;
10171         } ).length;
10172 };
10173
10174
10175
10176
10177 jQuery.offset = {
10178         setOffset: function( elem, options, i ) {
10179                 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10180                         position = jQuery.css( elem, "position" ),
10181                         curElem = jQuery( elem ),
10182                         props = {};
10183
10184                 // Set position first, in-case top/left are set even on static elem
10185                 if ( position === "static" ) {
10186                         elem.style.position = "relative";
10187                 }
10188
10189                 curOffset = curElem.offset();
10190                 curCSSTop = jQuery.css( elem, "top" );
10191                 curCSSLeft = jQuery.css( elem, "left" );
10192                 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10193                         ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
10194
10195                 // Need to be able to calculate position if either
10196                 // top or left is auto and position is either absolute or fixed
10197                 if ( calculatePosition ) {
10198                         curPosition = curElem.position();
10199                         curTop = curPosition.top;
10200                         curLeft = curPosition.left;
10201
10202                 } else {
10203                         curTop = parseFloat( curCSSTop ) || 0;
10204                         curLeft = parseFloat( curCSSLeft ) || 0;
10205                 }
10206
10207                 if ( isFunction( options ) ) {
10208
10209                         // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
10210                         options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
10211                 }
10212
10213                 if ( options.top != null ) {
10214                         props.top = ( options.top - curOffset.top ) + curTop;
10215                 }
10216                 if ( options.left != null ) {
10217                         props.left = ( options.left - curOffset.left ) + curLeft;
10218                 }
10219
10220                 if ( "using" in options ) {
10221                         options.using.call( elem, props );
10222
10223                 } else {
10224                         curElem.css( props );
10225                 }
10226         }
10227 };
10228
10229 jQuery.fn.extend( {
10230
10231         // offset() relates an element's border box to the document origin
10232         offset: function( options ) {
10233
10234                 // Preserve chaining for setter
10235                 if ( arguments.length ) {
10236                         return options === undefined ?
10237                                 this :
10238                                 this.each( function( i ) {
10239                                         jQuery.offset.setOffset( this, options, i );
10240                                 } );
10241                 }
10242
10243                 var rect, win,
10244                         elem = this[ 0 ];
10245
10246                 if ( !elem ) {
10247                         return;
10248                 }
10249
10250                 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
10251                 // Support: IE <=11 only
10252                 // Running getBoundingClientRect on a
10253                 // disconnected node in IE throws an error
10254                 if ( !elem.getClientRects().length ) {
10255                         return { top: 0, left: 0 };
10256                 }
10257
10258                 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
10259                 rect = elem.getBoundingClientRect();
10260                 win = elem.ownerDocument.defaultView;
10261                 return {
10262                         top: rect.top + win.pageYOffset,
10263                         left: rect.left + win.pageXOffset
10264                 };
10265         },
10266
10267         // position() relates an element's margin box to its offset parent's padding box
10268         // This corresponds to the behavior of CSS absolute positioning
10269         position: function() {
10270                 if ( !this[ 0 ] ) {
10271                         return;
10272                 }
10273
10274                 var offsetParent, offset, doc,
10275                         elem = this[ 0 ],
10276                         parentOffset = { top: 0, left: 0 };
10277
10278                 // position:fixed elements are offset from the viewport, which itself always has zero offset
10279                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10280
10281                         // Assume position:fixed implies availability of getBoundingClientRect
10282                         offset = elem.getBoundingClientRect();
10283
10284                 } else {
10285                         offset = this.offset();
10286
10287                         // Account for the *real* offset parent, which can be the document or its root element
10288                         // when a statically positioned element is identified
10289                         doc = elem.ownerDocument;
10290                         offsetParent = elem.offsetParent || doc.documentElement;
10291                         while ( offsetParent &&
10292                                 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
10293                                 jQuery.css( offsetParent, "position" ) === "static" ) {
10294
10295                                 offsetParent = offsetParent.parentNode;
10296                         }
10297                         if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
10298
10299                                 // Incorporate borders into its offset, since they are outside its content origin
10300                                 parentOffset = jQuery( offsetParent ).offset();
10301                                 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
10302                                 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
10303                         }
10304                 }
10305
10306                 // Subtract parent offsets and element margins
10307                 return {
10308                         top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10309                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10310                 };
10311         },
10312
10313         // This method will return documentElement in the following cases:
10314         // 1) For the element inside the iframe without offsetParent, this method will return
10315         //    documentElement of the parent window
10316         // 2) For the hidden or detached element
10317         // 3) For body or html element, i.e. in case of the html node - it will return itself
10318         //
10319         // but those exceptions were never presented as a real life use-cases
10320         // and might be considered as more preferable results.
10321         //
10322         // This logic, however, is not guaranteed and can change at any point in the future
10323         offsetParent: function() {
10324                 return this.map( function() {
10325                         var offsetParent = this.offsetParent;
10326
10327                         while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10328                                 offsetParent = offsetParent.offsetParent;
10329                         }
10330
10331                         return offsetParent || documentElement;
10332                 } );
10333         }
10334 } );
10335
10336 // Create scrollLeft and scrollTop methods
10337 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10338         var top = "pageYOffset" === prop;
10339
10340         jQuery.fn[ method ] = function( val ) {
10341                 return access( this, function( elem, method, val ) {
10342
10343                         // Coalesce documents and windows
10344                         var win;
10345                         if ( isWindow( elem ) ) {
10346                                 win = elem;
10347                         } else if ( elem.nodeType === 9 ) {
10348                                 win = elem.defaultView;
10349                         }
10350
10351                         if ( val === undefined ) {
10352                                 return win ? win[ prop ] : elem[ method ];
10353                         }
10354
10355                         if ( win ) {
10356                                 win.scrollTo(
10357                                         !top ? val : win.pageXOffset,
10358                                         top ? val : win.pageYOffset
10359                                 );
10360
10361                         } else {
10362                                 elem[ method ] = val;
10363                         }
10364                 }, method, val, arguments.length );
10365         };
10366 } );
10367
10368 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
10369 // Add the top/left cssHooks using jQuery.fn.position
10370 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10371 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10372 // getComputedStyle returns percent when specified for top/left/bottom/right;
10373 // rather than make the css module depend on the offset module, just check for it here
10374 jQuery.each( [ "top", "left" ], function( i, prop ) {
10375         jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10376                 function( elem, computed ) {
10377                         if ( computed ) {
10378                                 computed = curCSS( elem, prop );
10379
10380                                 // If curCSS returns percentage, fallback to offset
10381                                 return rnumnonpx.test( computed ) ?
10382                                         jQuery( elem ).position()[ prop ] + "px" :
10383                                         computed;
10384                         }
10385                 }
10386         );
10387 } );
10388
10389
10390 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10391 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10392         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
10393                 function( defaultExtra, funcName ) {
10394
10395                 // Margin is only for outerHeight, outerWidth
10396                 jQuery.fn[ funcName ] = function( margin, value ) {
10397                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10398                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10399
10400                         return access( this, function( elem, type, value ) {
10401                                 var doc;
10402
10403                                 if ( isWindow( elem ) ) {
10404
10405                                         // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10406                                         return funcName.indexOf( "outer" ) === 0 ?
10407                                                 elem[ "inner" + name ] :
10408                                                 elem.document.documentElement[ "client" + name ];
10409                                 }
10410
10411                                 // Get document width or height
10412                                 if ( elem.nodeType === 9 ) {
10413                                         doc = elem.documentElement;
10414
10415                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10416                                         // whichever is greatest
10417                                         return Math.max(
10418                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10419                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
10420                                                 doc[ "client" + name ]
10421                                         );
10422                                 }
10423
10424                                 return value === undefined ?
10425
10426                                         // Get width or height on the element, requesting but not forcing parseFloat
10427                                         jQuery.css( elem, type, extra ) :
10428
10429                                         // Set width or height on the element
10430                                         jQuery.style( elem, type, value, extra );
10431                         }, type, chainable ? margin : undefined, chainable );
10432                 };
10433         } );
10434 } );
10435
10436
10437 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
10438         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
10439         "change select submit keydown keypress keyup contextmenu" ).split( " " ),
10440         function( i, name ) {
10441
10442         // Handle event binding
10443         jQuery.fn[ name ] = function( data, fn ) {
10444                 return arguments.length > 0 ?
10445                         this.on( name, null, data, fn ) :
10446                         this.trigger( name );
10447         };
10448 } );
10449
10450 jQuery.fn.extend( {
10451         hover: function( fnOver, fnOut ) {
10452                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
10453         }
10454 } );
10455
10456
10457
10458
10459 jQuery.fn.extend( {
10460
10461         bind: function( types, data, fn ) {
10462                 return this.on( types, null, data, fn );
10463         },
10464         unbind: function( types, fn ) {
10465                 return this.off( types, null, fn );
10466         },
10467
10468         delegate: function( selector, types, data, fn ) {
10469                 return this.on( types, selector, data, fn );
10470         },
10471         undelegate: function( selector, types, fn ) {
10472
10473                 // ( namespace ) or ( selector, types [, fn] )
10474                 return arguments.length === 1 ?
10475                         this.off( selector, "**" ) :
10476                         this.off( types, selector || "**", fn );
10477         }
10478 } );
10479
10480 // Bind a function to a context, optionally partially applying any
10481 // arguments.
10482 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
10483 // However, it is not slated for removal any time soon
10484 jQuery.proxy = function( fn, context ) {
10485         var tmp, args, proxy;
10486
10487         if ( typeof context === "string" ) {
10488                 tmp = fn[ context ];
10489                 context = fn;
10490                 fn = tmp;
10491         }
10492
10493         // Quick check to determine if target is callable, in the spec
10494         // this throws a TypeError, but we will just return undefined.
10495         if ( !isFunction( fn ) ) {
10496                 return undefined;
10497         }
10498
10499         // Simulated bind
10500         args = slice.call( arguments, 2 );
10501         proxy = function() {
10502                 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
10503         };
10504
10505         // Set the guid of unique handler to the same of original handler, so it can be removed
10506         proxy.guid = fn.guid = fn.guid || jQuery.guid++;
10507
10508         return proxy;
10509 };
10510
10511 jQuery.holdReady = function( hold ) {
10512         if ( hold ) {
10513                 jQuery.readyWait++;
10514         } else {
10515                 jQuery.ready( true );
10516         }
10517 };
10518 jQuery.isArray = Array.isArray;
10519 jQuery.parseJSON = JSON.parse;
10520 jQuery.nodeName = nodeName;
10521 jQuery.isFunction = isFunction;
10522 jQuery.isWindow = isWindow;
10523 jQuery.camelCase = camelCase;
10524 jQuery.type = toType;
10525
10526 jQuery.now = Date.now;
10527
10528 jQuery.isNumeric = function( obj ) {
10529
10530         // As of jQuery 3.0, isNumeric is limited to
10531         // strings and numbers (primitives or objects)
10532         // that can be coerced to finite numbers (gh-2662)
10533         var type = jQuery.type( obj );
10534         return ( type === "number" || type === "string" ) &&
10535
10536                 // parseFloat NaNs numeric-cast false positives ("")
10537                 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
10538                 // subtraction forces infinities to NaN
10539                 !isNaN( obj - parseFloat( obj ) );
10540 };
10541
10542
10543
10544
10545 // Register as a named AMD module, since jQuery can be concatenated with other
10546 // files that may use define, but not via a proper concatenation script that
10547 // understands anonymous AMD modules. A named AMD is safest and most robust
10548 // way to register. Lowercase jquery is used because AMD module names are
10549 // derived from file names, and jQuery is normally delivered in a lowercase
10550 // file name. Do this after creating the global so that if an AMD module wants
10551 // to call noConflict to hide this version of jQuery, it will work.
10552
10553 // Note that for maximum portability, libraries that are not jQuery should
10554 // declare themselves as anonymous modules, and avoid setting a global if an
10555 // AMD loader is present. jQuery is a special case. For more information, see
10556 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10557
10558 if ( typeof define === "function" && define.amd ) {
10559         define( "jquery", [], function() {
10560                 return jQuery;
10561         } );
10562 }
10563
10564
10565
10566
10567 var
10568
10569         // Map over jQuery in case of overwrite
10570         _jQuery = window.jQuery,
10571
10572         // Map over the $ in case of overwrite
10573         _$ = window.$;
10574
10575 jQuery.noConflict = function( deep ) {
10576         if ( window.$ === jQuery ) {
10577                 window.$ = _$;
10578         }
10579
10580         if ( deep && window.jQuery === jQuery ) {
10581                 window.jQuery = _jQuery;
10582         }
10583
10584         return jQuery;
10585 };
10586
10587 // Expose jQuery and $ identifiers, even in AMD
10588 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10589 // and CommonJS for browser emulators (#13566)
10590 if ( !noGlobal ) {
10591         window.jQuery = window.$ = jQuery;
10592 }
10593
10594
10595
10596
10597 return jQuery;
10598 } );