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1 /*!
2 * jQuery JavaScript Library v3.7.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-deprecated/ajax-event-alias,-effects,-effects/animatedSelector,-effects/Tween
3 * https://jquery.com/
4 *
5 * Copyright OpenJS Foundation and other contributors
6 * Released under the MIT license
7 * https://jquery.org/license
8 *
9 * Date: 2023-08-28T13:37Z
10 */
11 ( function( global, factory ) {
12
13 "use strict";
14
15 if ( typeof module === "object" && typeof module.exports === "object" ) {
16
17 // For CommonJS and CommonJS-like environments where a proper `window`
18 // is present, execute the factory and get jQuery.
19 // For environments that do not have a `window` with a `document`
20 // (such as Node.js), expose a factory as module.exports.
21 // This accentuates the need for the creation of a real `window`.
22 // e.g. var jQuery = require("jquery")(window);
23 // See ticket trac-14549 for more info.
24 module.exports = global.document ?
25 factory( global, true ) :
26 function( w ) {
27 if ( !w.document ) {
28 throw new Error( "jQuery requires a window with a document" );
29 }
30 return factory( w );
31 };
32 } else {
33 factory( global );
34 }
35
36 // Pass this if window is not defined yet
37 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
38
39 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
40 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
41 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
42 // enough that all such attempts are guarded in a try block.
43 "use strict";
44
45 var arr = [];
46
47 var getProto = Object.getPrototypeOf;
48
49 var slice = arr.slice;
50
51 var flat = arr.flat ? function( array ) {
52 return arr.flat.call( array );
53 } : function( array ) {
54 return arr.concat.apply( [], array );
55 };
56
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 // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5
81 // Plus for old WebKit, typeof returns "function" for HTML collections
82 // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756)
83 return typeof obj === "function" && typeof obj.nodeType !== "number" &&
84 typeof obj.item !== "function";
85 };
86
87
88 var isWindow = function isWindow( obj ) {
89 return obj != null && obj === obj.window;
90 };
91
92
93 var document = window.document;
94
95
96
97 var preservedScriptAttributes = {
98 type: true,
99 src: true,
100 nonce: true,
101 noModule: true
102 };
103
104 function DOMEval( code, node, doc ) {
105 doc = doc || document;
106
107 var i, val,
108 script = doc.createElement( "script" );
109
110 script.text = code;
111 if ( node ) {
112 for ( i in preservedScriptAttributes ) {
113
114 // Support: Firefox 64+, Edge 18+
115 // Some browsers don't support the "nonce" property on scripts.
116 // On the other hand, just using `getAttribute` is not enough as
117 // the `nonce` attribute is reset to an empty string whenever it
118 // becomes browsing-context connected.
119 // See https://github.com/whatwg/html/issues/2369
120 // See https://html.spec.whatwg.org/#nonce-attributes
121 // The `node.getAttribute` check was added for the sake of
122 // `jQuery.globalEval` so that it can fake a nonce-containing node
123 // via an object.
124 val = node[ i ] || node.getAttribute && node.getAttribute( i );
125 if ( val ) {
126 script.setAttribute( i, val );
127 }
128 }
129 }
130 doc.head.appendChild( script ).parentNode.removeChild( script );
131 }
132
133
134 function toType( obj ) {
135 if ( obj == null ) {
136 return obj + "";
137 }
138
139 // Support: Android <=2.3 only (functionish RegExp)
140 return typeof obj === "object" || typeof obj === "function" ?
141 class2type[ toString.call( obj ) ] || "object" :
142 typeof obj;
143 }
144 /* global Symbol */
145 // Defining this global in .eslintrc.json would create a danger of using the global
146 // unguarded in another place, it seems safer to define global only for this module
147
148
149
150 var version = "3.7.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-deprecated/ajax-event-alias,-effects,-effects/animatedSelector,-effects/Tween",
151
152 rhtmlSuffix = /HTML$/i,
153
154 // Define a local copy of jQuery
155 jQuery = function( selector, context ) {
156
157 // The jQuery object is actually just the init constructor 'enhanced'
158 // Need init if jQuery is called (just allow error to be thrown if not included)
159 return new jQuery.fn.init( selector, context );
160 };
161
162 jQuery.fn = jQuery.prototype = {
163
164 // The current version of jQuery being used
165 jquery: version,
166
167 constructor: jQuery,
168
169 // The default length of a jQuery object is 0
170 length: 0,
171
172 toArray: function() {
173 return slice.call( this );
174 },
175
176 // Get the Nth element in the matched element set OR
177 // Get the whole matched element set as a clean array
178 get: function( num ) {
179
180 // Return all the elements in a clean array
181 if ( num == null ) {
182 return slice.call( this );
183 }
184
185 // Return just the one element from the set
186 return num < 0 ? this[ num + this.length ] : this[ num ];
187 },
188
189 // Take an array of elements and push it onto the stack
190 // (returning the new matched element set)
191 pushStack: function( elems ) {
192
193 // Build a new jQuery matched element set
194 var ret = jQuery.merge( this.constructor(), elems );
195
196 // Add the old object onto the stack (as a reference)
197 ret.prevObject = this;
198
199 // Return the newly-formed element set
200 return ret;
201 },
202
203 // Execute a callback for every element in the matched set.
204 each: function( callback ) {
205 return jQuery.each( this, callback );
206 },
207
208 map: function( callback ) {
209 return this.pushStack( jQuery.map( this, function( elem, i ) {
210 return callback.call( elem, i, elem );
211 } ) );
212 },
213
214 slice: function() {
215 return this.pushStack( slice.apply( this, arguments ) );
216 },
217
218 first: function() {
219 return this.eq( 0 );
220 },
221
222 last: function() {
223 return this.eq( -1 );
224 },
225
226 even: function() {
227 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
228 return ( i + 1 ) % 2;
229 } ) );
230 },
231
232 odd: function() {
233 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
234 return i % 2;
235 } ) );
236 },
237
238 eq: function( i ) {
239 var len = this.length,
240 j = +i + ( i < 0 ? len : 0 );
241 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
242 },
243
244 end: function() {
245 return this.prevObject || this.constructor();
246 },
247
248 // For internal use only.
249 // Behaves like an Array's method, not like a jQuery method.
250 push: push,
251 sort: arr.sort,
252 splice: arr.splice
253 };
254
255 jQuery.extend = jQuery.fn.extend = function() {
256 var options, name, src, copy, copyIsArray, clone,
257 target = arguments[ 0 ] || {},
258 i = 1,
259 length = arguments.length,
260 deep = false;
261
262 // Handle a deep copy situation
263 if ( typeof target === "boolean" ) {
264 deep = target;
265
266 // Skip the boolean and the target
267 target = arguments[ i ] || {};
268 i++;
269 }
270
271 // Handle case when target is a string or something (possible in deep copy)
272 if ( typeof target !== "object" && !isFunction( target ) ) {
273 target = {};
274 }
275
276 // Extend jQuery itself if only one argument is passed
277 if ( i === length ) {
278 target = this;
279 i--;
280 }
281
282 for ( ; i < length; i++ ) {
283
284 // Only deal with non-null/undefined values
285 if ( ( options = arguments[ i ] ) != null ) {
286
287 // Extend the base object
288 for ( name in options ) {
289 copy = options[ name ];
290
291 // Prevent Object.prototype pollution
292 // Prevent never-ending loop
293 if ( name === "__proto__" || target === copy ) {
294 continue;
295 }
296
297 // Recurse if we're merging plain objects or arrays
298 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
299 ( copyIsArray = Array.isArray( copy ) ) ) ) {
300 src = target[ name ];
301
302 // Ensure proper type for the source value
303 if ( copyIsArray && !Array.isArray( src ) ) {
304 clone = [];
305 } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
306 clone = {};
307 } else {
308 clone = src;
309 }
310 copyIsArray = false;
311
312 // Never move original objects, clone them
313 target[ name ] = jQuery.extend( deep, clone, copy );
314
315 // Don't bring in undefined values
316 } else if ( copy !== undefined ) {
317 target[ name ] = copy;
318 }
319 }
320 }
321 }
322
323 // Return the modified object
324 return target;
325 };
326
327 jQuery.extend( {
328
329 // Unique for each copy of jQuery on the page
330 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
331
332 // Assume jQuery is ready without the ready module
333 isReady: true,
334
335 error: function( msg ) {
336 throw new Error( msg );
337 },
338
339 noop: function() {},
340
341 isPlainObject: function( obj ) {
342 var proto, Ctor;
343
344 // Detect obvious negatives
345 // Use toString instead of jQuery.type to catch host objects
346 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
347 return false;
348 }
349
350 proto = getProto( obj );
351
352 // Objects with no prototype (e.g., `Object.create( null )`) are plain
353 if ( !proto ) {
354 return true;
355 }
356
357 // Objects with prototype are plain iff they were constructed by a global Object function
358 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
359 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
360 },
361
362 isEmptyObject: function( obj ) {
363 var name;
364
365 for ( name in obj ) {
366 return false;
367 }
368 return true;
369 },
370
371 // Evaluates a script in a provided context; falls back to the global one
372 // if not specified.
373 globalEval: function( code, options, doc ) {
374 DOMEval( code, { nonce: options && options.nonce }, doc );
375 },
376
377 each: function( obj, callback ) {
378 var length, i = 0;
379
380 if ( isArrayLike( obj ) ) {
381 length = obj.length;
382 for ( ; i < length; i++ ) {
383 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
384 break;
385 }
386 }
387 } else {
388 for ( i in obj ) {
389 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
390 break;
391 }
392 }
393 }
394
395 return obj;
396 },
397
398
399 // Retrieve the text value of an array of DOM nodes
400 text: function( elem ) {
401 var node,
402 ret = "",
403 i = 0,
404 nodeType = elem.nodeType;
405
406 if ( !nodeType ) {
407
408 // If no nodeType, this is expected to be an array
409 while ( ( node = elem[ i++ ] ) ) {
410
411 // Do not traverse comment nodes
412 ret += jQuery.text( node );
413 }
414 }
415 if ( nodeType === 1 || nodeType === 11 ) {
416 return elem.textContent;
417 }
418 if ( nodeType === 9 ) {
419 return elem.documentElement.textContent;
420 }
421 if ( nodeType === 3 || nodeType === 4 ) {
422 return elem.nodeValue;
423 }
424
425 // Do not include comment or processing instruction nodes
426
427 return ret;
428 },
429
430 // results is for internal usage only
431 makeArray: function( arr, results ) {
432 var ret = results || [];
433
434 if ( arr != null ) {
435 if ( isArrayLike( Object( arr ) ) ) {
436 jQuery.merge( ret,
437 typeof arr === "string" ?
438 [ arr ] : arr
439 );
440 } else {
441 push.call( ret, arr );
442 }
443 }
444
445 return ret;
446 },
447
448 inArray: function( elem, arr, i ) {
449 return arr == null ? -1 : indexOf.call( arr, elem, i );
450 },
451
452 isXMLDoc: function( elem ) {
453 var namespace = elem && elem.namespaceURI,
454 docElem = elem && ( elem.ownerDocument || elem ).documentElement;
455
456 // Assume HTML when documentElement doesn't yet exist, such as inside
457 // document fragments.
458 return !rhtmlSuffix.test( namespace || docElem && docElem.nodeName || "HTML" );
459 },
460
461 // Support: Android <=4.0 only, PhantomJS 1 only
462 // push.apply(_, arraylike) throws on ancient WebKit
463 merge: function( first, second ) {
464 var len = +second.length,
465 j = 0,
466 i = first.length;
467
468 for ( ; j < len; j++ ) {
469 first[ i++ ] = second[ j ];
470 }
471
472 first.length = i;
473
474 return first;
475 },
476
477 grep: function( elems, callback, invert ) {
478 var callbackInverse,
479 matches = [],
480 i = 0,
481 length = elems.length,
482 callbackExpect = !invert;
483
484 // Go through the array, only saving the items
485 // that pass the validator function
486 for ( ; i < length; i++ ) {
487 callbackInverse = !callback( elems[ i ], i );
488 if ( callbackInverse !== callbackExpect ) {
489 matches.push( elems[ i ] );
490 }
491 }
492
493 return matches;
494 },
495
496 // arg is for internal usage only
497 map: function( elems, callback, arg ) {
498 var length, value,
499 i = 0,
500 ret = [];
501
502 // Go through the array, translating each of the items to their new values
503 if ( isArrayLike( elems ) ) {
504 length = elems.length;
505 for ( ; i < length; i++ ) {
506 value = callback( elems[ i ], i, arg );
507
508 if ( value != null ) {
509 ret.push( value );
510 }
511 }
512
513 // Go through every key on the object,
514 } else {
515 for ( i in elems ) {
516 value = callback( elems[ i ], i, arg );
517
518 if ( value != null ) {
519 ret.push( value );
520 }
521 }
522 }
523
524 // Flatten any nested arrays
525 return flat( ret );
526 },
527
528 // A global GUID counter for objects
529 guid: 1,
530
531 // jQuery.support is not used in Core but other projects attach their
532 // properties to it so it needs to exist.
533 support: support
534 } );
535
536 if ( typeof Symbol === "function" ) {
537 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
538 }
539
540 // Populate the class2type map
541 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
542 function( _i, name ) {
543 class2type[ "[object " + name + "]" ] = name.toLowerCase();
544 } );
545
546 function isArrayLike( obj ) {
547
548 // Support: real iOS 8.2 only (not reproducible in simulator)
549 // `in` check used to prevent JIT error (gh-2145)
550 // hasOwn isn't used here due to false negatives
551 // regarding Nodelist length in IE
552 var length = !!obj && "length" in obj && obj.length,
553 type = toType( obj );
554
555 if ( isFunction( obj ) || isWindow( obj ) ) {
556 return false;
557 }
558
559 return type === "array" || length === 0 ||
560 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
561 }
562
563
564 function nodeName( elem, name ) {
565
566 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
567
568 }
569 var pop = arr.pop;
570
571
572 var sort = arr.sort;
573
574
575 var splice = arr.splice;
576
577
578 var whitespace = "[\\x20\\t\\r\\n\\f]";
579
580
581 var rtrimCSS = new RegExp(
582 "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$",
583 "g"
584 );
585
586
587
588
589 // Note: an element does not contain itself
590 jQuery.contains = function( a, b ) {
591 var bup = b && b.parentNode;
592
593 return a === bup || !!( bup && bup.nodeType === 1 && (
594
595 // Support: IE 9 - 11+
596 // IE doesn't have `contains` on SVG.
597 a.contains ?
598 a.contains( bup ) :
599 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
600 ) );
601 };
602
603
604
605
606 // CSS string/identifier serialization
607 // https://drafts.csswg.org/cssom/#common-serializing-idioms
608 var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g;
609
610 function fcssescape( ch, asCodePoint ) {
611 if ( asCodePoint ) {
612
613 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
614 if ( ch === "\0" ) {
615 return "\uFFFD";
616 }
617
618 // Control characters and (dependent upon position) numbers get escaped as code points
619 return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
620 }
621
622 // Other potentially-special ASCII characters get backslash-escaped
623 return "\\" + ch;
624 }
625
626 jQuery.escapeSelector = function( sel ) {
627 return ( sel + "" ).replace( rcssescape, fcssescape );
628 };
629
630
631
632
633 var preferredDoc = document,
634 pushNative = push;
635
636 ( function() {
637
638 var i,
639 Expr,
640 outermostContext,
641 sortInput,
642 hasDuplicate,
643 push = pushNative,
644
645 // Local document vars
646 document,
647 documentElement,
648 documentIsHTML,
649 rbuggyQSA,
650 matches,
651
652 // Instance-specific data
653 expando = jQuery.expando,
654 dirruns = 0,
655 done = 0,
656 classCache = createCache(),
657 tokenCache = createCache(),
658 compilerCache = createCache(),
659 nonnativeSelectorCache = createCache(),
660 sortOrder = function( a, b ) {
661 if ( a === b ) {
662 hasDuplicate = true;
663 }
664 return 0;
665 },
666
667 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|" +
668 "loop|multiple|open|readonly|required|scoped",
669
670 // Regular expressions
671
672 // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
673 identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
674 "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
675
676 // Attribute selectors: https://www.w3.org/TR/selectors/#attribute-selectors
677 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
678
679 // Operator (capture 2)
680 "*([*^$|!~]?=)" + whitespace +
681
682 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
683 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
684 whitespace + "*\\]",
685
686 pseudos = ":(" + identifier + ")(?:\\((" +
687
688 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
689 // 1. quoted (capture 3; capture 4 or capture 5)
690 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
691
692 // 2. simple (capture 6)
693 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
694
695 // 3. anything else (capture 2)
696 ".*" +
697 ")\\)|)",
698
699 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
700 rwhitespace = new RegExp( whitespace + "+", "g" ),
701
702 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
703 rleadingCombinator = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" +
704 whitespace + "*" ),
705 rdescend = new RegExp( whitespace + "|>" ),
706
707 rpseudo = new RegExp( pseudos ),
708 ridentifier = new RegExp( "^" + identifier + "$" ),
709
710 matchExpr = {
711 ID: new RegExp( "^#(" + identifier + ")" ),
712 CLASS: new RegExp( "^\\.(" + identifier + ")" ),
713 TAG: new RegExp( "^(" + identifier + "|[*])" ),
714 ATTR: new RegExp( "^" + attributes ),
715 PSEUDO: new RegExp( "^" + pseudos ),
716 CHILD: new RegExp(
717 "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
718 whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
719 whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
720 bool: new RegExp( "^(?:" + booleans + ")$", "i" ),
721
722 // For use in libraries implementing .is()
723 // We use this for POS matching in `select`
724 needsContext: new RegExp( "^" + whitespace +
725 "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
726 "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
727 },
728
729 rinputs = /^(?:input|select|textarea|button)$/i,
730 rheader = /^h\d$/i,
731
732 // Easily-parseable/retrievable ID or TAG or CLASS selectors
733 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
734
735 rsibling = /[+~]/,
736
737 // CSS escapes
738 // https://www.w3.org/TR/CSS21/syndata.html#escaped-characters
739 runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace +
740 "?|\\\\([^\\r\\n\\f])", "g" ),
741 funescape = function( escape, nonHex ) {
742 var high = "0x" + escape.slice( 1 ) - 0x10000;
743
744 if ( nonHex ) {
745
746 // Strip the backslash prefix from a non-hex escape sequence
747 return nonHex;
748 }
749
750 // Replace a hexadecimal escape sequence with the encoded Unicode code point
751 // Support: IE <=11+
752 // For values outside the Basic Multilingual Plane (BMP), manually construct a
753 // surrogate pair
754 return high < 0 ?
755 String.fromCharCode( high + 0x10000 ) :
756 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
757 },
758
759 // Used for iframes; see `setDocument`.
760 // Support: IE 9 - 11+, Edge 12 - 18+
761 // Removing the function wrapper causes a "Permission Denied"
762 // error in IE/Edge.
763 unloadHandler = function() {
764 setDocument();
765 },
766
767 inDisabledFieldset = addCombinator(
768 function( elem ) {
769 return elem.disabled === true && nodeName( elem, "fieldset" );
770 },
771 { dir: "parentNode", next: "legend" }
772 );
773
774 // Support: IE <=9 only
775 // Accessing document.activeElement can throw unexpectedly
776 // https://bugs.jquery.com/ticket/13393
777 function safeActiveElement() {
778 try {
779 return document.activeElement;
780 } catch ( err ) { }
781 }
782
783 // Optimize for push.apply( _, NodeList )
784 try {
785 push.apply(
786 ( arr = slice.call( preferredDoc.childNodes ) ),
787 preferredDoc.childNodes
788 );
789
790 // Support: Android <=4.0
791 // Detect silently failing push.apply
792 // eslint-disable-next-line no-unused-expressions
793 arr[ preferredDoc.childNodes.length ].nodeType;
794 } catch ( e ) {
795 push = {
796 apply: function( target, els ) {
797 pushNative.apply( target, slice.call( els ) );
798 },
799 call: function( target ) {
800 pushNative.apply( target, slice.call( arguments, 1 ) );
801 }
802 };
803 }
804
805 function find( selector, context, results, seed ) {
806 var m, i, elem, nid, match, groups, newSelector,
807 newContext = context && context.ownerDocument,
808
809 // nodeType defaults to 9, since context defaults to document
810 nodeType = context ? context.nodeType : 9;
811
812 results = results || [];
813
814 // Return early from calls with invalid selector or context
815 if ( typeof selector !== "string" || !selector ||
816 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
817
818 return results;
819 }
820
821 // Try to shortcut find operations (as opposed to filters) in HTML documents
822 if ( !seed ) {
823 setDocument( context );
824 context = context || document;
825
826 if ( documentIsHTML ) {
827
828 // If the selector is sufficiently simple, try using a "get*By*" DOM method
829 // (excepting DocumentFragment context, where the methods don't exist)
830 if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
831
832 // ID selector
833 if ( ( m = match[ 1 ] ) ) {
834
835 // Document context
836 if ( nodeType === 9 ) {
837 if ( ( elem = context.getElementById( m ) ) ) {
838
839 // Support: IE 9 only
840 // getElementById can match elements by name instead of ID
841 if ( elem.id === m ) {
842 push.call( results, elem );
843 return results;
844 }
845 } else {
846 return results;
847 }
848
849 // Element context
850 } else {
851
852 // Support: IE 9 only
853 // getElementById can match elements by name instead of ID
854 if ( newContext && ( elem = newContext.getElementById( m ) ) &&
855 find.contains( context, elem ) &&
856 elem.id === m ) {
857
858 push.call( results, elem );
859 return results;
860 }
861 }
862
863 // Type selector
864 } else if ( match[ 2 ] ) {
865 push.apply( results, context.getElementsByTagName( selector ) );
866 return results;
867
868 // Class selector
869 } else if ( ( m = match[ 3 ] ) && context.getElementsByClassName ) {
870 push.apply( results, context.getElementsByClassName( m ) );
871 return results;
872 }
873 }
874
875 // Take advantage of querySelectorAll
876 if ( !nonnativeSelectorCache[ selector + " " ] &&
877 ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) ) {
878
879 newSelector = selector;
880 newContext = context;
881
882 // qSA considers elements outside a scoping root when evaluating child or
883 // descendant combinators, which is not what we want.
884 // In such cases, we work around the behavior by prefixing every selector in the
885 // list with an ID selector referencing the scope context.
886 // The technique has to be used as well when a leading combinator is used
887 // as such selectors are not recognized by querySelectorAll.
888 // Thanks to Andrew Dupont for this technique.
889 if ( nodeType === 1 &&
890 ( rdescend.test( selector ) || rleadingCombinator.test( selector ) ) ) {
891
892 // Expand context for sibling selectors
893 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
894 context;
895
896 // We can use :scope instead of the ID hack if the browser
897 // supports it & if we're not changing the context.
898 // Support: IE 11+, Edge 17 - 18+
899 // IE/Edge sometimes throw a "Permission denied" error when
900 // strict-comparing two documents; shallow comparisons work.
901 // eslint-disable-next-line eqeqeq
902 if ( newContext != context || !support.scope ) {
903
904 // Capture the context ID, setting it first if necessary
905 if ( ( nid = context.getAttribute( "id" ) ) ) {
906 nid = jQuery.escapeSelector( nid );
907 } else {
908 context.setAttribute( "id", ( nid = expando ) );
909 }
910 }
911
912 // Prefix every selector in the list
913 groups = tokenize( selector );
914 i = groups.length;
915 while ( i-- ) {
916 groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
917 toSelector( groups[ i ] );
918 }
919 newSelector = groups.join( "," );
920 }
921
922 try {
923 push.apply( results,
924 newContext.querySelectorAll( newSelector )
925 );
926 return results;
927 } catch ( qsaError ) {
928 nonnativeSelectorCache( selector, true );
929 } finally {
930 if ( nid === expando ) {
931 context.removeAttribute( "id" );
932 }
933 }
934 }
935 }
936 }
937
938 // All others
939 return select( selector.replace( rtrimCSS, "$1" ), context, results, seed );
940 }
941
942 /**
943 * Create key-value caches of limited size
944 * @returns {function(string, object)} Returns the Object data after storing it on itself with
945 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
946 * deleting the oldest entry
947 */
948 function createCache() {
949 var keys = [];
950
951 function cache( key, value ) {
952
953 // Use (key + " ") to avoid collision with native prototype properties
954 // (see https://github.com/jquery/sizzle/issues/157)
955 if ( keys.push( key + " " ) > Expr.cacheLength ) {
956
957 // Only keep the most recent entries
958 delete cache[ keys.shift() ];
959 }
960 return ( cache[ key + " " ] = value );
961 }
962 return cache;
963 }
964
965 /**
966 * Mark a function for special use by jQuery selector module
967 * @param {Function} fn The function to mark
968 */
969 function markFunction( fn ) {
970 fn[ expando ] = true;
971 return fn;
972 }
973
974 /**
975 * Support testing using an element
976 * @param {Function} fn Passed the created element and returns a boolean result
977 */
978 function assert( fn ) {
979 var el = document.createElement( "fieldset" );
980
981 try {
982 return !!fn( el );
983 } catch ( e ) {
984 return false;
985 } finally {
986
987 // Remove from its parent by default
988 if ( el.parentNode ) {
989 el.parentNode.removeChild( el );
990 }
991
992 // release memory in IE
993 el = null;
994 }
995 }
996
997 /**
998 * Returns a function to use in pseudos for input types
999 * @param {String} type
1000 */
1001 function createInputPseudo( type ) {
1002 return function( elem ) {
1003 return nodeName( elem, "input" ) && elem.type === type;
1004 };
1005 }
1006
1007 /**
1008 * Returns a function to use in pseudos for buttons
1009 * @param {String} type
1010 */
1011 function createButtonPseudo( type ) {
1012 return function( elem ) {
1013 return ( nodeName( elem, "input" ) || nodeName( elem, "button" ) ) &&
1014 elem.type === type;
1015 };
1016 }
1017
1018 /**
1019 * Returns a function to use in pseudos for :enabled/:disabled
1020 * @param {Boolean} disabled true for :disabled; false for :enabled
1021 */
1022 function createDisabledPseudo( disabled ) {
1023
1024 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1025 return function( elem ) {
1026
1027 // Only certain elements can match :enabled or :disabled
1028 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1029 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1030 if ( "form" in elem ) {
1031
1032 // Check for inherited disabledness on relevant non-disabled elements:
1033 // * listed form-associated elements in a disabled fieldset
1034 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
1035 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1036 // * option elements in a disabled optgroup
1037 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1038 // All such elements have a "form" property.
1039 if ( elem.parentNode && elem.disabled === false ) {
1040
1041 // Option elements defer to a parent optgroup if present
1042 if ( "label" in elem ) {
1043 if ( "label" in elem.parentNode ) {
1044 return elem.parentNode.disabled === disabled;
1045 } else {
1046 return elem.disabled === disabled;
1047 }
1048 }
1049
1050 // Support: IE 6 - 11+
1051 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1052 return elem.isDisabled === disabled ||
1053
1054 // Where there is no isDisabled, check manually
1055 elem.isDisabled !== !disabled &&
1056 inDisabledFieldset( elem ) === disabled;
1057 }
1058
1059 return elem.disabled === disabled;
1060
1061 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1062 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1063 // even exist on them, let alone have a boolean value.
1064 } else if ( "label" in elem ) {
1065 return elem.disabled === disabled;
1066 }
1067
1068 // Remaining elements are neither :enabled nor :disabled
1069 return false;
1070 };
1071 }
1072
1073 /**
1074 * Returns a function to use in pseudos for positionals
1075 * @param {Function} fn
1076 */
1077 function createPositionalPseudo( fn ) {
1078 return markFunction( function( argument ) {
1079 argument = +argument;
1080 return markFunction( function( seed, matches ) {
1081 var j,
1082 matchIndexes = fn( [], seed.length, argument ),
1083 i = matchIndexes.length;
1084
1085 // Match elements found at the specified indexes
1086 while ( i-- ) {
1087 if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
1088 seed[ j ] = !( matches[ j ] = seed[ j ] );
1089 }
1090 }
1091 } );
1092 } );
1093 }
1094
1095 /**
1096 * Checks a node for validity as a jQuery selector context
1097 * @param {Element|Object=} context
1098 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1099 */
1100 function testContext( context ) {
1101 return context && typeof context.getElementsByTagName !== "undefined" && context;
1102 }
1103
1104 /**
1105 * Sets document-related variables once based on the current document
1106 * @param {Element|Object} [node] An element or document object to use to set the document
1107 * @returns {Object} Returns the current document
1108 */
1109 function setDocument( node ) {
1110 var subWindow,
1111 doc = node ? node.ownerDocument || node : preferredDoc;
1112
1113 // Return early if doc is invalid or already selected
1114 // Support: IE 11+, Edge 17 - 18+
1115 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1116 // two documents; shallow comparisons work.
1117 // eslint-disable-next-line eqeqeq
1118 if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
1119 return document;
1120 }
1121
1122 // Update global variables
1123 document = doc;
1124 documentElement = document.documentElement;
1125 documentIsHTML = !jQuery.isXMLDoc( document );
1126
1127 // Support: iOS 7 only, IE 9 - 11+
1128 // Older browsers didn't support unprefixed `matches`.
1129 matches = documentElement.matches ||
1130 documentElement.webkitMatchesSelector ||
1131 documentElement.msMatchesSelector;
1132
1133 // Support: IE 9 - 11+, Edge 12 - 18+
1134 // Accessing iframe documents after unload throws "permission denied" errors
1135 // (see trac-13936).
1136 // Limit the fix to IE & Edge Legacy; despite Edge 15+ implementing `matches`,
1137 // all IE 9+ and Edge Legacy versions implement `msMatchesSelector` as well.
1138 if ( documentElement.msMatchesSelector &&
1139
1140 // Support: IE 11+, Edge 17 - 18+
1141 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1142 // two documents; shallow comparisons work.
1143 // eslint-disable-next-line eqeqeq
1144 preferredDoc != document &&
1145 ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
1146
1147 // Support: IE 9 - 11+, Edge 12 - 18+
1148 subWindow.addEventListener( "unload", unloadHandler );
1149 }
1150
1151 // Support: IE <10
1152 // Check if getElementById returns elements by name
1153 // The broken getElementById methods don't pick up programmatically-set names,
1154 // so use a roundabout getElementsByName test
1155 support.getById = assert( function( el ) {
1156 documentElement.appendChild( el ).id = jQuery.expando;
1157 return !document.getElementsByName ||
1158 !document.getElementsByName( jQuery.expando ).length;
1159 } );
1160
1161 // Support: IE 9 only
1162 // Check to see if it's possible to do matchesSelector
1163 // on a disconnected node.
1164 support.disconnectedMatch = assert( function( el ) {
1165 return matches.call( el, "*" );
1166 } );
1167
1168 // Support: IE 9 - 11+, Edge 12 - 18+
1169 // IE/Edge don't support the :scope pseudo-class.
1170 support.scope = assert( function() {
1171 return document.querySelectorAll( ":scope" );
1172 } );
1173
1174 // Support: Chrome 105 - 111 only, Safari 15.4 - 16.3 only
1175 // Make sure the `:has()` argument is parsed unforgivingly.
1176 // We include `*` in the test to detect buggy implementations that are
1177 // _selectively_ forgiving (specifically when the list includes at least
1178 // one valid selector).
1179 // Note that we treat complete lack of support for `:has()` as if it were
1180 // spec-compliant support, which is fine because use of `:has()` in such
1181 // environments will fail in the qSA path and fall back to jQuery traversal
1182 // anyway.
1183 support.cssHas = assert( function() {
1184 try {
1185 document.querySelector( ":has(*,:jqfake)" );
1186 return false;
1187 } catch ( e ) {
1188 return true;
1189 }
1190 } );
1191
1192 // ID filter and find
1193 if ( support.getById ) {
1194 Expr.filter.ID = function( id ) {
1195 var attrId = id.replace( runescape, funescape );
1196 return function( elem ) {
1197 return elem.getAttribute( "id" ) === attrId;
1198 };
1199 };
1200 Expr.find.ID = function( id, context ) {
1201 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1202 var elem = context.getElementById( id );
1203 return elem ? [ elem ] : [];
1204 }
1205 };
1206 } else {
1207 Expr.filter.ID = function( id ) {
1208 var attrId = id.replace( runescape, funescape );
1209 return function( elem ) {
1210 var node = typeof elem.getAttributeNode !== "undefined" &&
1211 elem.getAttributeNode( "id" );
1212 return node && node.value === attrId;
1213 };
1214 };
1215
1216 // Support: IE 6 - 7 only
1217 // getElementById is not reliable as a find shortcut
1218 Expr.find.ID = function( id, context ) {
1219 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1220 var node, i, elems,
1221 elem = context.getElementById( id );
1222
1223 if ( elem ) {
1224
1225 // Verify the id attribute
1226 node = elem.getAttributeNode( "id" );
1227 if ( node && node.value === id ) {
1228 return [ elem ];
1229 }
1230
1231 // Fall back on getElementsByName
1232 elems = context.getElementsByName( id );
1233 i = 0;
1234 while ( ( elem = elems[ i++ ] ) ) {
1235 node = elem.getAttributeNode( "id" );
1236 if ( node && node.value === id ) {
1237 return [ elem ];
1238 }
1239 }
1240 }
1241
1242 return [];
1243 }
1244 };
1245 }
1246
1247 // Tag
1248 Expr.find.TAG = function( tag, context ) {
1249 if ( typeof context.getElementsByTagName !== "undefined" ) {
1250 return context.getElementsByTagName( tag );
1251
1252 // DocumentFragment nodes don't have gEBTN
1253 } else {
1254 return context.querySelectorAll( tag );
1255 }
1256 };
1257
1258 // Class
1259 Expr.find.CLASS = function( className, context ) {
1260 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1261 return context.getElementsByClassName( className );
1262 }
1263 };
1264
1265 /* QSA/matchesSelector
1266 ---------------------------------------------------------------------- */
1267
1268 // QSA and matchesSelector support
1269
1270 rbuggyQSA = [];
1271
1272 // Build QSA regex
1273 // Regex strategy adopted from Diego Perini
1274 assert( function( el ) {
1275
1276 var input;
1277
1278 documentElement.appendChild( el ).innerHTML =
1279 "<a id='" + expando + "' href='' disabled='disabled'></a>" +
1280 "<select id='" + expando + "-\r\\' disabled='disabled'>" +
1281 "<option selected=''></option></select>";
1282
1283 // Support: iOS <=7 - 8 only
1284 // Boolean attributes and "value" are not treated correctly in some XML documents
1285 if ( !el.querySelectorAll( "[selected]" ).length ) {
1286 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1287 }
1288
1289 // Support: iOS <=7 - 8 only
1290 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1291 rbuggyQSA.push( "~=" );
1292 }
1293
1294 // Support: iOS 8 only
1295 // https://bugs.webkit.org/show_bug.cgi?id=136851
1296 // In-page `selector#id sibling-combinator selector` fails
1297 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1298 rbuggyQSA.push( ".#.+[+~]" );
1299 }
1300
1301 // Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+
1302 // In some of the document kinds, these selectors wouldn't work natively.
1303 // This is probably OK but for backwards compatibility we want to maintain
1304 // handling them through jQuery traversal in jQuery 3.x.
1305 if ( !el.querySelectorAll( ":checked" ).length ) {
1306 rbuggyQSA.push( ":checked" );
1307 }
1308
1309 // Support: Windows 8 Native Apps
1310 // The type and name attributes are restricted during .innerHTML assignment
1311 input = document.createElement( "input" );
1312 input.setAttribute( "type", "hidden" );
1313 el.appendChild( input ).setAttribute( "name", "D" );
1314
1315 // Support: IE 9 - 11+
1316 // IE's :disabled selector does not pick up the children of disabled fieldsets
1317 // Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+
1318 // In some of the document kinds, these selectors wouldn't work natively.
1319 // This is probably OK but for backwards compatibility we want to maintain
1320 // handling them through jQuery traversal in jQuery 3.x.
1321 documentElement.appendChild( el ).disabled = true;
1322 if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
1323 rbuggyQSA.push( ":enabled", ":disabled" );
1324 }
1325
1326 // Support: IE 11+, Edge 15 - 18+
1327 // IE 11/Edge don't find elements on a `[name='']` query in some cases.
1328 // Adding a temporary attribute to the document before the selection works
1329 // around the issue.
1330 // Interestingly, IE 10 & older don't seem to have the issue.
1331 input = document.createElement( "input" );
1332 input.setAttribute( "name", "" );
1333 el.appendChild( input );
1334 if ( !el.querySelectorAll( "[name='']" ).length ) {
1335 rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
1336 whitespace + "*(?:''|\"\")" );
1337 }
1338 } );
1339
1340 if ( !support.cssHas ) {
1341
1342 // Support: Chrome 105 - 110+, Safari 15.4 - 16.3+
1343 // Our regular `try-catch` mechanism fails to detect natively-unsupported
1344 // pseudo-classes inside `:has()` (such as `:has(:contains("Foo"))`)
1345 // in browsers that parse the `:has()` argument as a forgiving selector list.
1346 // https://drafts.csswg.org/selectors/#relational now requires the argument
1347 // to be parsed unforgivingly, but browsers have not yet fully adjusted.
1348 rbuggyQSA.push( ":has" );
1349 }
1350
1351 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
1352
1353 /* Sorting
1354 ---------------------------------------------------------------------- */
1355
1356 // Document order sorting
1357 sortOrder = function( a, b ) {
1358
1359 // Flag for duplicate removal
1360 if ( a === b ) {
1361 hasDuplicate = true;
1362 return 0;
1363 }
1364
1365 // Sort on method existence if only one input has compareDocumentPosition
1366 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1367 if ( compare ) {
1368 return compare;
1369 }
1370
1371 // Calculate position if both inputs belong to the same document
1372 // Support: IE 11+, Edge 17 - 18+
1373 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1374 // two documents; shallow comparisons work.
1375 // eslint-disable-next-line eqeqeq
1376 compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
1377 a.compareDocumentPosition( b ) :
1378
1379 // Otherwise we know they are disconnected
1380 1;
1381
1382 // Disconnected nodes
1383 if ( compare & 1 ||
1384 ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
1385
1386 // Choose the first element that is related to our preferred document
1387 // Support: IE 11+, Edge 17 - 18+
1388 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1389 // two documents; shallow comparisons work.
1390 // eslint-disable-next-line eqeqeq
1391 if ( a === document || a.ownerDocument == preferredDoc &&
1392 find.contains( preferredDoc, a ) ) {
1393 return -1;
1394 }
1395
1396 // Support: IE 11+, Edge 17 - 18+
1397 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1398 // two documents; shallow comparisons work.
1399 // eslint-disable-next-line eqeqeq
1400 if ( b === document || b.ownerDocument == preferredDoc &&
1401 find.contains( preferredDoc, b ) ) {
1402 return 1;
1403 }
1404
1405 // Maintain original order
1406 return sortInput ?
1407 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1408 0;
1409 }
1410
1411 return compare & 4 ? -1 : 1;
1412 };
1413
1414 return document;
1415 }
1416
1417 find.matches = function( expr, elements ) {
1418 return find( expr, null, null, elements );
1419 };
1420
1421 find.matchesSelector = function( elem, expr ) {
1422 setDocument( elem );
1423
1424 if ( documentIsHTML &&
1425 !nonnativeSelectorCache[ expr + " " ] &&
1426 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1427
1428 try {
1429 var ret = matches.call( elem, expr );
1430
1431 // IE 9's matchesSelector returns false on disconnected nodes
1432 if ( ret || support.disconnectedMatch ||
1433
1434 // As well, disconnected nodes are said to be in a document
1435 // fragment in IE 9
1436 elem.document && elem.document.nodeType !== 11 ) {
1437 return ret;
1438 }
1439 } catch ( e ) {
1440 nonnativeSelectorCache( expr, true );
1441 }
1442 }
1443
1444 return find( expr, document, null, [ elem ] ).length > 0;
1445 };
1446
1447 find.contains = function( context, elem ) {
1448
1449 // Set document vars if needed
1450 // Support: IE 11+, Edge 17 - 18+
1451 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1452 // two documents; shallow comparisons work.
1453 // eslint-disable-next-line eqeqeq
1454 if ( ( context.ownerDocument || context ) != document ) {
1455 setDocument( context );
1456 }
1457 return jQuery.contains( context, elem );
1458 };
1459
1460
1461 find.attr = function( elem, name ) {
1462
1463 // Set document vars if needed
1464 // Support: IE 11+, Edge 17 - 18+
1465 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1466 // two documents; shallow comparisons work.
1467 // eslint-disable-next-line eqeqeq
1468 if ( ( elem.ownerDocument || elem ) != document ) {
1469 setDocument( elem );
1470 }
1471
1472 var fn = Expr.attrHandle[ name.toLowerCase() ],
1473
1474 // Don't get fooled by Object.prototype properties (see trac-13807)
1475 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1476 fn( elem, name, !documentIsHTML ) :
1477 undefined;
1478
1479 if ( val !== undefined ) {
1480 return val;
1481 }
1482
1483 return elem.getAttribute( name );
1484 };
1485
1486 find.error = function( msg ) {
1487 throw new Error( "Syntax error, unrecognized expression: " + msg );
1488 };
1489
1490 /**
1491 * Document sorting and removing duplicates
1492 * @param {ArrayLike} results
1493 */
1494 jQuery.uniqueSort = function( results ) {
1495 var elem,
1496 duplicates = [],
1497 j = 0,
1498 i = 0;
1499
1500 // Unless we *know* we can detect duplicates, assume their presence
1501 //
1502 // Support: Android <=4.0+
1503 // Testing for detecting duplicates is unpredictable so instead assume we can't
1504 // depend on duplicate detection in all browsers without a stable sort.
1505 hasDuplicate = !support.sortStable;
1506 sortInput = !support.sortStable && slice.call( results, 0 );
1507 sort.call( results, sortOrder );
1508
1509 if ( hasDuplicate ) {
1510 while ( ( elem = results[ i++ ] ) ) {
1511 if ( elem === results[ i ] ) {
1512 j = duplicates.push( i );
1513 }
1514 }
1515 while ( j-- ) {
1516 splice.call( results, duplicates[ j ], 1 );
1517 }
1518 }
1519
1520 // Clear input after sorting to release objects
1521 // See https://github.com/jquery/sizzle/pull/225
1522 sortInput = null;
1523
1524 return results;
1525 };
1526
1527 jQuery.fn.uniqueSort = function() {
1528 return this.pushStack( jQuery.uniqueSort( slice.apply( this ) ) );
1529 };
1530
1531 Expr = jQuery.expr = {
1532
1533 // Can be adjusted by the user
1534 cacheLength: 50,
1535
1536 createPseudo: markFunction,
1537
1538 match: matchExpr,
1539
1540 attrHandle: {},
1541
1542 find: {},
1543
1544 relative: {
1545 ">": { dir: "parentNode", first: true },
1546 " ": { dir: "parentNode" },
1547 "+": { dir: "previousSibling", first: true },
1548 "~": { dir: "previousSibling" }
1549 },
1550
1551 preFilter: {
1552 ATTR: function( match ) {
1553 match[ 1 ] = match[ 1 ].replace( runescape, funescape );
1554
1555 // Move the given value to match[3] whether quoted or unquoted
1556 match[ 3 ] = ( match[ 3 ] || match[ 4 ] || match[ 5 ] || "" )
1557 .replace( runescape, funescape );
1558
1559 if ( match[ 2 ] === "~=" ) {
1560 match[ 3 ] = " " + match[ 3 ] + " ";
1561 }
1562
1563 return match.slice( 0, 4 );
1564 },
1565
1566 CHILD: function( match ) {
1567
1568 /* matches from matchExpr["CHILD"]
1569 1 type (only|nth|...)
1570 2 what (child|of-type)
1571 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1572 4 xn-component of xn+y argument ([+-]?\d*n|)
1573 5 sign of xn-component
1574 6 x of xn-component
1575 7 sign of y-component
1576 8 y of y-component
1577 */
1578 match[ 1 ] = match[ 1 ].toLowerCase();
1579
1580 if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
1581
1582 // nth-* requires argument
1583 if ( !match[ 3 ] ) {
1584 find.error( match[ 0 ] );
1585 }
1586
1587 // numeric x and y parameters for Expr.filter.CHILD
1588 // remember that false/true cast respectively to 0/1
1589 match[ 4 ] = +( match[ 4 ] ?
1590 match[ 5 ] + ( match[ 6 ] || 1 ) :
1591 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" )
1592 );
1593 match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
1594
1595 // other types prohibit arguments
1596 } else if ( match[ 3 ] ) {
1597 find.error( match[ 0 ] );
1598 }
1599
1600 return match;
1601 },
1602
1603 PSEUDO: function( match ) {
1604 var excess,
1605 unquoted = !match[ 6 ] && match[ 2 ];
1606
1607 if ( matchExpr.CHILD.test( match[ 0 ] ) ) {
1608 return null;
1609 }
1610
1611 // Accept quoted arguments as-is
1612 if ( match[ 3 ] ) {
1613 match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
1614
1615 // Strip excess characters from unquoted arguments
1616 } else if ( unquoted && rpseudo.test( unquoted ) &&
1617
1618 // Get excess from tokenize (recursively)
1619 ( excess = tokenize( unquoted, true ) ) &&
1620
1621 // advance to the next closing parenthesis
1622 ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
1623
1624 // excess is a negative index
1625 match[ 0 ] = match[ 0 ].slice( 0, excess );
1626 match[ 2 ] = unquoted.slice( 0, excess );
1627 }
1628
1629 // Return only captures needed by the pseudo filter method (type and argument)
1630 return match.slice( 0, 3 );
1631 }
1632 },
1633
1634 filter: {
1635
1636 TAG: function( nodeNameSelector ) {
1637 var expectedNodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1638 return nodeNameSelector === "*" ?
1639 function() {
1640 return true;
1641 } :
1642 function( elem ) {
1643 return nodeName( elem, expectedNodeName );
1644 };
1645 },
1646
1647 CLASS: function( className ) {
1648 var pattern = classCache[ className + " " ];
1649
1650 return pattern ||
1651 ( pattern = new RegExp( "(^|" + whitespace + ")" + className +
1652 "(" + whitespace + "|$)" ) ) &&
1653 classCache( className, function( elem ) {
1654 return pattern.test(
1655 typeof elem.className === "string" && elem.className ||
1656 typeof elem.getAttribute !== "undefined" &&
1657 elem.getAttribute( "class" ) ||
1658 ""
1659 );
1660 } );
1661 },
1662
1663 ATTR: function( name, operator, check ) {
1664 return function( elem ) {
1665 var result = find.attr( elem, name );
1666
1667 if ( result == null ) {
1668 return operator === "!=";
1669 }
1670 if ( !operator ) {
1671 return true;
1672 }
1673
1674 result += "";
1675
1676 if ( operator === "=" ) {
1677 return result === check;
1678 }
1679 if ( operator === "!=" ) {
1680 return result !== check;
1681 }
1682 if ( operator === "^=" ) {
1683 return check && result.indexOf( check ) === 0;
1684 }
1685 if ( operator === "*=" ) {
1686 return check && result.indexOf( check ) > -1;
1687 }
1688 if ( operator === "$=" ) {
1689 return check && result.slice( -check.length ) === check;
1690 }
1691 if ( operator === "~=" ) {
1692 return ( " " + result.replace( rwhitespace, " " ) + " " )
1693 .indexOf( check ) > -1;
1694 }
1695 if ( operator === "|=" ) {
1696 return result === check || result.slice( 0, check.length + 1 ) === check + "-";
1697 }
1698
1699 return false;
1700 };
1701 },
1702
1703 CHILD: function( type, what, _argument, first, last ) {
1704 var simple = type.slice( 0, 3 ) !== "nth",
1705 forward = type.slice( -4 ) !== "last",
1706 ofType = what === "of-type";
1707
1708 return first === 1 && last === 0 ?
1709
1710 // Shortcut for :nth-*(n)
1711 function( elem ) {
1712 return !!elem.parentNode;
1713 } :
1714
1715 function( elem, _context, xml ) {
1716 var cache, outerCache, node, nodeIndex, start,
1717 dir = simple !== forward ? "nextSibling" : "previousSibling",
1718 parent = elem.parentNode,
1719 name = ofType && elem.nodeName.toLowerCase(),
1720 useCache = !xml && !ofType,
1721 diff = false;
1722
1723 if ( parent ) {
1724
1725 // :(first|last|only)-(child|of-type)
1726 if ( simple ) {
1727 while ( dir ) {
1728 node = elem;
1729 while ( ( node = node[ dir ] ) ) {
1730 if ( ofType ?
1731 nodeName( node, name ) :
1732 node.nodeType === 1 ) {
1733
1734 return false;
1735 }
1736 }
1737
1738 // Reverse direction for :only-* (if we haven't yet done so)
1739 start = dir = type === "only" && !start && "nextSibling";
1740 }
1741 return true;
1742 }
1743
1744 start = [ forward ? parent.firstChild : parent.lastChild ];
1745
1746 // non-xml :nth-child(...) stores cache data on `parent`
1747 if ( forward && useCache ) {
1748
1749 // Seek `elem` from a previously-cached index
1750 outerCache = parent[ expando ] || ( parent[ expando ] = {} );
1751 cache = outerCache[ type ] || [];
1752 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1753 diff = nodeIndex && cache[ 2 ];
1754 node = nodeIndex && parent.childNodes[ nodeIndex ];
1755
1756 while ( ( node = ++nodeIndex && node && node[ dir ] ||
1757
1758 // Fallback to seeking `elem` from the start
1759 ( diff = nodeIndex = 0 ) || start.pop() ) ) {
1760
1761 // When found, cache indexes on `parent` and break
1762 if ( node.nodeType === 1 && ++diff && node === elem ) {
1763 outerCache[ type ] = [ dirruns, nodeIndex, diff ];
1764 break;
1765 }
1766 }
1767
1768 } else {
1769
1770 // Use previously-cached element index if available
1771 if ( useCache ) {
1772 outerCache = elem[ expando ] || ( elem[ expando ] = {} );
1773 cache = outerCache[ type ] || [];
1774 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1775 diff = nodeIndex;
1776 }
1777
1778 // xml :nth-child(...)
1779 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1780 if ( diff === false ) {
1781
1782 // Use the same loop as above to seek `elem` from the start
1783 while ( ( node = ++nodeIndex && node && node[ dir ] ||
1784 ( diff = nodeIndex = 0 ) || start.pop() ) ) {
1785
1786 if ( ( ofType ?
1787 nodeName( node, name ) :
1788 node.nodeType === 1 ) &&
1789 ++diff ) {
1790
1791 // Cache the index of each encountered element
1792 if ( useCache ) {
1793 outerCache = node[ expando ] ||
1794 ( node[ expando ] = {} );
1795 outerCache[ type ] = [ dirruns, diff ];
1796 }
1797
1798 if ( node === elem ) {
1799 break;
1800 }
1801 }
1802 }
1803 }
1804 }
1805
1806 // Incorporate the offset, then check against cycle size
1807 diff -= last;
1808 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1809 }
1810 };
1811 },
1812
1813 PSEUDO: function( pseudo, argument ) {
1814
1815 // pseudo-class names are case-insensitive
1816 // https://www.w3.org/TR/selectors/#pseudo-classes
1817 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1818 // Remember that setFilters inherits from pseudos
1819 var args,
1820 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1821 find.error( "unsupported pseudo: " + pseudo );
1822
1823 // The user may use createPseudo to indicate that
1824 // arguments are needed to create the filter function
1825 // just as jQuery does
1826 if ( fn[ expando ] ) {
1827 return fn( argument );
1828 }
1829
1830 // But maintain support for old signatures
1831 if ( fn.length > 1 ) {
1832 args = [ pseudo, pseudo, "", argument ];
1833 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1834 markFunction( function( seed, matches ) {
1835 var idx,
1836 matched = fn( seed, argument ),
1837 i = matched.length;
1838 while ( i-- ) {
1839 idx = indexOf.call( seed, matched[ i ] );
1840 seed[ idx ] = !( matches[ idx ] = matched[ i ] );
1841 }
1842 } ) :
1843 function( elem ) {
1844 return fn( elem, 0, args );
1845 };
1846 }
1847
1848 return fn;
1849 }
1850 },
1851
1852 pseudos: {
1853
1854 // Potentially complex pseudos
1855 not: markFunction( function( selector ) {
1856
1857 // Trim the selector passed to compile
1858 // to avoid treating leading and trailing
1859 // spaces as combinators
1860 var input = [],
1861 results = [],
1862 matcher = compile( selector.replace( rtrimCSS, "$1" ) );
1863
1864 return matcher[ expando ] ?
1865 markFunction( function( seed, matches, _context, xml ) {
1866 var elem,
1867 unmatched = matcher( seed, null, xml, [] ),
1868 i = seed.length;
1869
1870 // Match elements unmatched by `matcher`
1871 while ( i-- ) {
1872 if ( ( elem = unmatched[ i ] ) ) {
1873 seed[ i ] = !( matches[ i ] = elem );
1874 }
1875 }
1876 } ) :
1877 function( elem, _context, xml ) {
1878 input[ 0 ] = elem;
1879 matcher( input, null, xml, results );
1880
1881 // Don't keep the element
1882 // (see https://github.com/jquery/sizzle/issues/299)
1883 input[ 0 ] = null;
1884 return !results.pop();
1885 };
1886 } ),
1887
1888 has: markFunction( function( selector ) {
1889 return function( elem ) {
1890 return find( selector, elem ).length > 0;
1891 };
1892 } ),
1893
1894 contains: markFunction( function( text ) {
1895 text = text.replace( runescape, funescape );
1896 return function( elem ) {
1897 return ( elem.textContent || jQuery.text( elem ) ).indexOf( text ) > -1;
1898 };
1899 } ),
1900
1901 // "Whether an element is represented by a :lang() selector
1902 // is based solely on the element's language value
1903 // being equal to the identifier C,
1904 // or beginning with the identifier C immediately followed by "-".
1905 // The matching of C against the element's language value is performed case-insensitively.
1906 // The identifier C does not have to be a valid language name."
1907 // https://www.w3.org/TR/selectors/#lang-pseudo
1908 lang: markFunction( function( lang ) {
1909
1910 // lang value must be a valid identifier
1911 if ( !ridentifier.test( lang || "" ) ) {
1912 find.error( "unsupported lang: " + lang );
1913 }
1914 lang = lang.replace( runescape, funescape ).toLowerCase();
1915 return function( elem ) {
1916 var elemLang;
1917 do {
1918 if ( ( elemLang = documentIsHTML ?
1919 elem.lang :
1920 elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
1921
1922 elemLang = elemLang.toLowerCase();
1923 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1924 }
1925 } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
1926 return false;
1927 };
1928 } ),
1929
1930 // Miscellaneous
1931 target: function( elem ) {
1932 var hash = window.location && window.location.hash;
1933 return hash && hash.slice( 1 ) === elem.id;
1934 },
1935
1936 root: function( elem ) {
1937 return elem === documentElement;
1938 },
1939
1940 focus: function( elem ) {
1941 return elem === safeActiveElement() &&
1942 document.hasFocus() &&
1943 !!( elem.type || elem.href || ~elem.tabIndex );
1944 },
1945
1946 // Boolean properties
1947 enabled: createDisabledPseudo( false ),
1948 disabled: createDisabledPseudo( true ),
1949
1950 checked: function( elem ) {
1951
1952 // In CSS3, :checked should return both checked and selected elements
1953 // https://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1954 return ( nodeName( elem, "input" ) && !!elem.checked ) ||
1955 ( nodeName( elem, "option" ) && !!elem.selected );
1956 },
1957
1958 selected: function( elem ) {
1959
1960 // Support: IE <=11+
1961 // Accessing the selectedIndex property
1962 // forces the browser to treat the default option as
1963 // selected when in an optgroup.
1964 if ( elem.parentNode ) {
1965 // eslint-disable-next-line no-unused-expressions
1966 elem.parentNode.selectedIndex;
1967 }
1968
1969 return elem.selected === true;
1970 },
1971
1972 // Contents
1973 empty: function( elem ) {
1974
1975 // https://www.w3.org/TR/selectors/#empty-pseudo
1976 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
1977 // but not by others (comment: 8; processing instruction: 7; etc.)
1978 // nodeType < 6 works because attributes (2) do not appear as children
1979 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1980 if ( elem.nodeType < 6 ) {
1981 return false;
1982 }
1983 }
1984 return true;
1985 },
1986
1987 parent: function( elem ) {
1988 return !Expr.pseudos.empty( elem );
1989 },
1990
1991 // Element/input types
1992 header: function( elem ) {
1993 return rheader.test( elem.nodeName );
1994 },
1995
1996 input: function( elem ) {
1997 return rinputs.test( elem.nodeName );
1998 },
1999
2000 button: function( elem ) {
2001 return nodeName( elem, "input" ) && elem.type === "button" ||
2002 nodeName( elem, "button" );
2003 },
2004
2005 text: function( elem ) {
2006 var attr;
2007 return nodeName( elem, "input" ) && elem.type === "text" &&
2008
2009 // Support: IE <10 only
2010 // New HTML5 attribute values (e.g., "search") appear
2011 // with elem.type === "text"
2012 ( ( attr = elem.getAttribute( "type" ) ) == null ||
2013 attr.toLowerCase() === "text" );
2014 },
2015
2016 // Position-in-collection
2017 first: createPositionalPseudo( function() {
2018 return [ 0 ];
2019 } ),
2020
2021 last: createPositionalPseudo( function( _matchIndexes, length ) {
2022 return [ length - 1 ];
2023 } ),
2024
2025 eq: createPositionalPseudo( function( _matchIndexes, length, argument ) {
2026 return [ argument < 0 ? argument + length : argument ];
2027 } ),
2028
2029 even: createPositionalPseudo( function( matchIndexes, length ) {
2030 var i = 0;
2031 for ( ; i < length; i += 2 ) {
2032 matchIndexes.push( i );
2033 }
2034 return matchIndexes;
2035 } ),
2036
2037 odd: createPositionalPseudo( function( matchIndexes, length ) {
2038 var i = 1;
2039 for ( ; i < length; i += 2 ) {
2040 matchIndexes.push( i );
2041 }
2042 return matchIndexes;
2043 } ),
2044
2045 lt: createPositionalPseudo( function( matchIndexes, length, argument ) {
2046 var i;
2047
2048 if ( argument < 0 ) {
2049 i = argument + length;
2050 } else if ( argument > length ) {
2051 i = length;
2052 } else {
2053 i = argument;
2054 }
2055
2056 for ( ; --i >= 0; ) {
2057 matchIndexes.push( i );
2058 }
2059 return matchIndexes;
2060 } ),
2061
2062 gt: createPositionalPseudo( function( matchIndexes, length, argument ) {
2063 var i = argument < 0 ? argument + length : argument;
2064 for ( ; ++i < length; ) {
2065 matchIndexes.push( i );
2066 }
2067 return matchIndexes;
2068 } )
2069 }
2070 };
2071
2072 Expr.pseudos.nth = Expr.pseudos.eq;
2073
2074 // Add button/input type pseudos
2075 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2076 Expr.pseudos[ i ] = createInputPseudo( i );
2077 }
2078 for ( i in { submit: true, reset: true } ) {
2079 Expr.pseudos[ i ] = createButtonPseudo( i );
2080 }
2081
2082 // Easy API for creating new setFilters
2083 function setFilters() {}
2084 setFilters.prototype = Expr.filters = Expr.pseudos;
2085 Expr.setFilters = new setFilters();
2086
2087 function tokenize( selector, parseOnly ) {
2088 var matched, match, tokens, type,
2089 soFar, groups, preFilters,
2090 cached = tokenCache[ selector + " " ];
2091
2092 if ( cached ) {
2093 return parseOnly ? 0 : cached.slice( 0 );
2094 }
2095
2096 soFar = selector;
2097 groups = [];
2098 preFilters = Expr.preFilter;
2099
2100 while ( soFar ) {
2101
2102 // Comma and first run
2103 if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
2104 if ( match ) {
2105
2106 // Don't consume trailing commas as valid
2107 soFar = soFar.slice( match[ 0 ].length ) || soFar;
2108 }
2109 groups.push( ( tokens = [] ) );
2110 }
2111
2112 matched = false;
2113
2114 // Combinators
2115 if ( ( match = rleadingCombinator.exec( soFar ) ) ) {
2116 matched = match.shift();
2117 tokens.push( {
2118 value: matched,
2119
2120 // Cast descendant combinators to space
2121 type: match[ 0 ].replace( rtrimCSS, " " )
2122 } );
2123 soFar = soFar.slice( matched.length );
2124 }
2125
2126 // Filters
2127 for ( type in Expr.filter ) {
2128 if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
2129 ( match = preFilters[ type ]( match ) ) ) ) {
2130 matched = match.shift();
2131 tokens.push( {
2132 value: matched,
2133 type: type,
2134 matches: match
2135 } );
2136 soFar = soFar.slice( matched.length );
2137 }
2138 }
2139
2140 if ( !matched ) {
2141 break;
2142 }
2143 }
2144
2145 // Return the length of the invalid excess
2146 // if we're just parsing
2147 // Otherwise, throw an error or return tokens
2148 if ( parseOnly ) {
2149 return soFar.length;
2150 }
2151
2152 return soFar ?
2153 find.error( selector ) :
2154
2155 // Cache the tokens
2156 tokenCache( selector, groups ).slice( 0 );
2157 }
2158
2159 function toSelector( tokens ) {
2160 var i = 0,
2161 len = tokens.length,
2162 selector = "";
2163 for ( ; i < len; i++ ) {
2164 selector += tokens[ i ].value;
2165 }
2166 return selector;
2167 }
2168
2169 function addCombinator( matcher, combinator, base ) {
2170 var dir = combinator.dir,
2171 skip = combinator.next,
2172 key = skip || dir,
2173 checkNonElements = base && key === "parentNode",
2174 doneName = done++;
2175
2176 return combinator.first ?
2177
2178 // Check against closest ancestor/preceding element
2179 function( elem, context, xml ) {
2180 while ( ( elem = elem[ dir ] ) ) {
2181 if ( elem.nodeType === 1 || checkNonElements ) {
2182 return matcher( elem, context, xml );
2183 }
2184 }
2185 return false;
2186 } :
2187
2188 // Check against all ancestor/preceding elements
2189 function( elem, context, xml ) {
2190 var oldCache, outerCache,
2191 newCache = [ dirruns, doneName ];
2192
2193 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2194 if ( xml ) {
2195 while ( ( elem = elem[ dir ] ) ) {
2196 if ( elem.nodeType === 1 || checkNonElements ) {
2197 if ( matcher( elem, context, xml ) ) {
2198 return true;
2199 }
2200 }
2201 }
2202 } else {
2203 while ( ( elem = elem[ dir ] ) ) {
2204 if ( elem.nodeType === 1 || checkNonElements ) {
2205 outerCache = elem[ expando ] || ( elem[ expando ] = {} );
2206
2207 if ( skip && nodeName( elem, skip ) ) {
2208 elem = elem[ dir ] || elem;
2209 } else if ( ( oldCache = outerCache[ key ] ) &&
2210 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2211
2212 // Assign to newCache so results back-propagate to previous elements
2213 return ( newCache[ 2 ] = oldCache[ 2 ] );
2214 } else {
2215
2216 // Reuse newcache so results back-propagate to previous elements
2217 outerCache[ key ] = newCache;
2218
2219 // A match means we're done; a fail means we have to keep checking
2220 if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
2221 return true;
2222 }
2223 }
2224 }
2225 }
2226 }
2227 return false;
2228 };
2229 }
2230
2231 function elementMatcher( matchers ) {
2232 return matchers.length > 1 ?
2233 function( elem, context, xml ) {
2234 var i = matchers.length;
2235 while ( i-- ) {
2236 if ( !matchers[ i ]( elem, context, xml ) ) {
2237 return false;
2238 }
2239 }
2240 return true;
2241 } :
2242 matchers[ 0 ];
2243 }
2244
2245 function multipleContexts( selector, contexts, results ) {
2246 var i = 0,
2247 len = contexts.length;
2248 for ( ; i < len; i++ ) {
2249 find( selector, contexts[ i ], results );
2250 }
2251 return results;
2252 }
2253
2254 function condense( unmatched, map, filter, context, xml ) {
2255 var elem,
2256 newUnmatched = [],
2257 i = 0,
2258 len = unmatched.length,
2259 mapped = map != null;
2260
2261 for ( ; i < len; i++ ) {
2262 if ( ( elem = unmatched[ i ] ) ) {
2263 if ( !filter || filter( elem, context, xml ) ) {
2264 newUnmatched.push( elem );
2265 if ( mapped ) {
2266 map.push( i );
2267 }
2268 }
2269 }
2270 }
2271
2272 return newUnmatched;
2273 }
2274
2275 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2276 if ( postFilter && !postFilter[ expando ] ) {
2277 postFilter = setMatcher( postFilter );
2278 }
2279 if ( postFinder && !postFinder[ expando ] ) {
2280 postFinder = setMatcher( postFinder, postSelector );
2281 }
2282 return markFunction( function( seed, results, context, xml ) {
2283 var temp, i, elem, matcherOut,
2284 preMap = [],
2285 postMap = [],
2286 preexisting = results.length,
2287
2288 // Get initial elements from seed or context
2289 elems = seed ||
2290 multipleContexts( selector || "*",
2291 context.nodeType ? [ context ] : context, [] ),
2292
2293 // Prefilter to get matcher input, preserving a map for seed-results synchronization
2294 matcherIn = preFilter && ( seed || !selector ) ?
2295 condense( elems, preMap, preFilter, context, xml ) :
2296 elems;
2297
2298 if ( matcher ) {
2299
2300 // If we have a postFinder, or filtered seed, or non-seed postFilter
2301 // or preexisting results,
2302 matcherOut = postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2303
2304 // ...intermediate processing is necessary
2305 [] :
2306
2307 // ...otherwise use results directly
2308 results;
2309
2310 // Find primary matches
2311 matcher( matcherIn, matcherOut, context, xml );
2312 } else {
2313 matcherOut = matcherIn;
2314 }
2315
2316 // Apply postFilter
2317 if ( postFilter ) {
2318 temp = condense( matcherOut, postMap );
2319 postFilter( temp, [], context, xml );
2320
2321 // Un-match failing elements by moving them back to matcherIn
2322 i = temp.length;
2323 while ( i-- ) {
2324 if ( ( elem = temp[ i ] ) ) {
2325 matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
2326 }
2327 }
2328 }
2329
2330 if ( seed ) {
2331 if ( postFinder || preFilter ) {
2332 if ( postFinder ) {
2333
2334 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2335 temp = [];
2336 i = matcherOut.length;
2337 while ( i-- ) {
2338 if ( ( elem = matcherOut[ i ] ) ) {
2339
2340 // Restore matcherIn since elem is not yet a final match
2341 temp.push( ( matcherIn[ i ] = elem ) );
2342 }
2343 }
2344 postFinder( null, ( matcherOut = [] ), temp, xml );
2345 }
2346
2347 // Move matched elements from seed to results to keep them synchronized
2348 i = matcherOut.length;
2349 while ( i-- ) {
2350 if ( ( elem = matcherOut[ i ] ) &&
2351 ( temp = postFinder ? indexOf.call( seed, elem ) : preMap[ i ] ) > -1 ) {
2352
2353 seed[ temp ] = !( results[ temp ] = elem );
2354 }
2355 }
2356 }
2357
2358 // Add elements to results, through postFinder if defined
2359 } else {
2360 matcherOut = condense(
2361 matcherOut === results ?
2362 matcherOut.splice( preexisting, matcherOut.length ) :
2363 matcherOut
2364 );
2365 if ( postFinder ) {
2366 postFinder( null, results, matcherOut, xml );
2367 } else {
2368 push.apply( results, matcherOut );
2369 }
2370 }
2371 } );
2372 }
2373
2374 function matcherFromTokens( tokens ) {
2375 var checkContext, matcher, j,
2376 len = tokens.length,
2377 leadingRelative = Expr.relative[ tokens[ 0 ].type ],
2378 implicitRelative = leadingRelative || Expr.relative[ " " ],
2379 i = leadingRelative ? 1 : 0,
2380
2381 // The foundational matcher ensures that elements are reachable from top-level context(s)
2382 matchContext = addCombinator( function( elem ) {
2383 return elem === checkContext;
2384 }, implicitRelative, true ),
2385 matchAnyContext = addCombinator( function( elem ) {
2386 return indexOf.call( checkContext, elem ) > -1;
2387 }, implicitRelative, true ),
2388 matchers = [ function( elem, context, xml ) {
2389
2390 // Support: IE 11+, Edge 17 - 18+
2391 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2392 // two documents; shallow comparisons work.
2393 // eslint-disable-next-line eqeqeq
2394 var ret = ( !leadingRelative && ( xml || context != outermostContext ) ) || (
2395 ( checkContext = context ).nodeType ?
2396 matchContext( elem, context, xml ) :
2397 matchAnyContext( elem, context, xml ) );
2398
2399 // Avoid hanging onto element
2400 // (see https://github.com/jquery/sizzle/issues/299)
2401 checkContext = null;
2402 return ret;
2403 } ];
2404
2405 for ( ; i < len; i++ ) {
2406 if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
2407 matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
2408 } else {
2409 matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
2410
2411 // Return special upon seeing a positional matcher
2412 if ( matcher[ expando ] ) {
2413
2414 // Find the next relative operator (if any) for proper handling
2415 j = ++i;
2416 for ( ; j < len; j++ ) {
2417 if ( Expr.relative[ tokens[ j ].type ] ) {
2418 break;
2419 }
2420 }
2421 return setMatcher(
2422 i > 1 && elementMatcher( matchers ),
2423 i > 1 && toSelector(
2424
2425 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2426 tokens.slice( 0, i - 1 )
2427 .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
2428 ).replace( rtrimCSS, "$1" ),
2429 matcher,
2430 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2431 j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
2432 j < len && toSelector( tokens )
2433 );
2434 }
2435 matchers.push( matcher );
2436 }
2437 }
2438
2439 return elementMatcher( matchers );
2440 }
2441
2442 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2443 var bySet = setMatchers.length > 0,
2444 byElement = elementMatchers.length > 0,
2445 superMatcher = function( seed, context, xml, results, outermost ) {
2446 var elem, j, matcher,
2447 matchedCount = 0,
2448 i = "0",
2449 unmatched = seed && [],
2450 setMatched = [],
2451 contextBackup = outermostContext,
2452
2453 // We must always have either seed elements or outermost context
2454 elems = seed || byElement && Expr.find.TAG( "*", outermost ),
2455
2456 // Use integer dirruns iff this is the outermost matcher
2457 dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
2458 len = elems.length;
2459
2460 if ( outermost ) {
2461
2462 // Support: IE 11+, Edge 17 - 18+
2463 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2464 // two documents; shallow comparisons work.
2465 // eslint-disable-next-line eqeqeq
2466 outermostContext = context == document || context || outermost;
2467 }
2468
2469 // Add elements passing elementMatchers directly to results
2470 // Support: iOS <=7 - 9 only
2471 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching
2472 // elements by id. (see trac-14142)
2473 for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
2474 if ( byElement && elem ) {
2475 j = 0;
2476
2477 // Support: IE 11+, Edge 17 - 18+
2478 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2479 // two documents; shallow comparisons work.
2480 // eslint-disable-next-line eqeqeq
2481 if ( !context && elem.ownerDocument != document ) {
2482 setDocument( elem );
2483 xml = !documentIsHTML;
2484 }
2485 while ( ( matcher = elementMatchers[ j++ ] ) ) {
2486 if ( matcher( elem, context || document, xml ) ) {
2487 push.call( results, elem );
2488 break;
2489 }
2490 }
2491 if ( outermost ) {
2492 dirruns = dirrunsUnique;
2493 }
2494 }
2495
2496 // Track unmatched elements for set filters
2497 if ( bySet ) {
2498
2499 // They will have gone through all possible matchers
2500 if ( ( elem = !matcher && elem ) ) {
2501 matchedCount--;
2502 }
2503
2504 // Lengthen the array for every element, matched or not
2505 if ( seed ) {
2506 unmatched.push( elem );
2507 }
2508 }
2509 }
2510
2511 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2512 // makes the latter nonnegative.
2513 matchedCount += i;
2514
2515 // Apply set filters to unmatched elements
2516 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2517 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2518 // no element matchers and no seed.
2519 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2520 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2521 // numerically zero.
2522 if ( bySet && i !== matchedCount ) {
2523 j = 0;
2524 while ( ( matcher = setMatchers[ j++ ] ) ) {
2525 matcher( unmatched, setMatched, context, xml );
2526 }
2527
2528 if ( seed ) {
2529
2530 // Reintegrate element matches to eliminate the need for sorting
2531 if ( matchedCount > 0 ) {
2532 while ( i-- ) {
2533 if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
2534 setMatched[ i ] = pop.call( results );
2535 }
2536 }
2537 }
2538
2539 // Discard index placeholder values to get only actual matches
2540 setMatched = condense( setMatched );
2541 }
2542
2543 // Add matches to results
2544 push.apply( results, setMatched );
2545
2546 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2547 if ( outermost && !seed && setMatched.length > 0 &&
2548 ( matchedCount + setMatchers.length ) > 1 ) {
2549
2550 jQuery.uniqueSort( results );
2551 }
2552 }
2553
2554 // Override manipulation of globals by nested matchers
2555 if ( outermost ) {
2556 dirruns = dirrunsUnique;
2557 outermostContext = contextBackup;
2558 }
2559
2560 return unmatched;
2561 };
2562
2563 return bySet ?
2564 markFunction( superMatcher ) :
2565 superMatcher;
2566 }
2567
2568 function compile( selector, match /* Internal Use Only */ ) {
2569 var i,
2570 setMatchers = [],
2571 elementMatchers = [],
2572 cached = compilerCache[ selector + " " ];
2573
2574 if ( !cached ) {
2575
2576 // Generate a function of recursive functions that can be used to check each element
2577 if ( !match ) {
2578 match = tokenize( selector );
2579 }
2580 i = match.length;
2581 while ( i-- ) {
2582 cached = matcherFromTokens( match[ i ] );
2583 if ( cached[ expando ] ) {
2584 setMatchers.push( cached );
2585 } else {
2586 elementMatchers.push( cached );
2587 }
2588 }
2589
2590 // Cache the compiled function
2591 cached = compilerCache( selector,
2592 matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2593
2594 // Save selector and tokenization
2595 cached.selector = selector;
2596 }
2597 return cached;
2598 }
2599
2600 /**
2601 * A low-level selection function that works with jQuery's compiled
2602 * selector functions
2603 * @param {String|Function} selector A selector or a pre-compiled
2604 * selector function built with jQuery selector compile
2605 * @param {Element} context
2606 * @param {Array} [results]
2607 * @param {Array} [seed] A set of elements to match against
2608 */
2609 function select( selector, context, results, seed ) {
2610 var i, tokens, token, type, find,
2611 compiled = typeof selector === "function" && selector,
2612 match = !seed && tokenize( ( selector = compiled.selector || selector ) );
2613
2614 results = results || [];
2615
2616 // Try to minimize operations if there is only one selector in the list and no seed
2617 // (the latter of which guarantees us context)
2618 if ( match.length === 1 ) {
2619
2620 // Reduce context if the leading compound selector is an ID
2621 tokens = match[ 0 ] = match[ 0 ].slice( 0 );
2622 if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
2623 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
2624
2625 context = ( Expr.find.ID(
2626 token.matches[ 0 ].replace( runescape, funescape ),
2627 context
2628 ) || [] )[ 0 ];
2629 if ( !context ) {
2630 return results;
2631
2632 // Precompiled matchers will still verify ancestry, so step up a level
2633 } else if ( compiled ) {
2634 context = context.parentNode;
2635 }
2636
2637 selector = selector.slice( tokens.shift().value.length );
2638 }
2639
2640 // Fetch a seed set for right-to-left matching
2641 i = matchExpr.needsContext.test( selector ) ? 0 : tokens.length;
2642 while ( i-- ) {
2643 token = tokens[ i ];
2644
2645 // Abort if we hit a combinator
2646 if ( Expr.relative[ ( type = token.type ) ] ) {
2647 break;
2648 }
2649 if ( ( find = Expr.find[ type ] ) ) {
2650
2651 // Search, expanding context for leading sibling combinators
2652 if ( ( seed = find(
2653 token.matches[ 0 ].replace( runescape, funescape ),
2654 rsibling.test( tokens[ 0 ].type ) &&
2655 testContext( context.parentNode ) || context
2656 ) ) ) {
2657
2658 // If seed is empty or no tokens remain, we can return early
2659 tokens.splice( i, 1 );
2660 selector = seed.length && toSelector( tokens );
2661 if ( !selector ) {
2662 push.apply( results, seed );
2663 return results;
2664 }
2665
2666 break;
2667 }
2668 }
2669 }
2670 }
2671
2672 // Compile and execute a filtering function if one is not provided
2673 // Provide `match` to avoid retokenization if we modified the selector above
2674 ( compiled || compile( selector, match ) )(
2675 seed,
2676 context,
2677 !documentIsHTML,
2678 results,
2679 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2680 );
2681 return results;
2682 }
2683
2684 // One-time assignments
2685
2686 // Support: Android <=4.0 - 4.1+
2687 // Sort stability
2688 support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
2689
2690 // Initialize against the default document
2691 setDocument();
2692
2693 // Support: Android <=4.0 - 4.1+
2694 // Detached nodes confoundingly follow *each other*
2695 support.sortDetached = assert( function( el ) {
2696
2697 // Should return 1, but returns 4 (following)
2698 return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
2699 } );
2700
2701 jQuery.find = find;
2702
2703 // Deprecated
2704 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2705 jQuery.unique = jQuery.uniqueSort;
2706
2707 // These have always been private, but they used to be documented as part of
2708 // Sizzle so let's maintain them for now for backwards compatibility purposes.
2709 find.compile = compile;
2710 find.select = select;
2711 find.setDocument = setDocument;
2712 find.tokenize = tokenize;
2713
2714 find.escape = jQuery.escapeSelector;
2715 find.getText = jQuery.text;
2716 find.isXML = jQuery.isXMLDoc;
2717 find.selectors = jQuery.expr;
2718 find.support = jQuery.support;
2719 find.uniqueSort = jQuery.uniqueSort;
2720
2721 /* eslint-enable */
2722
2723 } )();
2724
2725
2726 var dir = function( elem, dir, until ) {
2727 var matched = [],
2728 truncate = until !== undefined;
2729
2730 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2731 if ( elem.nodeType === 1 ) {
2732 if ( truncate && jQuery( elem ).is( until ) ) {
2733 break;
2734 }
2735 matched.push( elem );
2736 }
2737 }
2738 return matched;
2739 };
2740
2741
2742 var siblings = function( n, elem ) {
2743 var matched = [];
2744
2745 for ( ; n; n = n.nextSibling ) {
2746 if ( n.nodeType === 1 && n !== elem ) {
2747 matched.push( n );
2748 }
2749 }
2750
2751 return matched;
2752 };
2753
2754
2755 var rneedsContext = jQuery.expr.match.needsContext;
2756
2757 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2758
2759
2760
2761 // Implement the identical functionality for filter and not
2762 function winnow( elements, qualifier, not ) {
2763 if ( isFunction( qualifier ) ) {
2764 return jQuery.grep( elements, function( elem, i ) {
2765 return !!qualifier.call( elem, i, elem ) !== not;
2766 } );
2767 }
2768
2769 // Single element
2770 if ( qualifier.nodeType ) {
2771 return jQuery.grep( elements, function( elem ) {
2772 return ( elem === qualifier ) !== not;
2773 } );
2774 }
2775
2776 // Arraylike of elements (jQuery, arguments, Array)
2777 if ( typeof qualifier !== "string" ) {
2778 return jQuery.grep( elements, function( elem ) {
2779 return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2780 } );
2781 }
2782
2783 // Filtered directly for both simple and complex selectors
2784 return jQuery.filter( qualifier, elements, not );
2785 }
2786
2787 jQuery.filter = function( expr, elems, not ) {
2788 var elem = elems[ 0 ];
2789
2790 if ( not ) {
2791 expr = ":not(" + expr + ")";
2792 }
2793
2794 if ( elems.length === 1 && elem.nodeType === 1 ) {
2795 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2796 }
2797
2798 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2799 return elem.nodeType === 1;
2800 } ) );
2801 };
2802
2803 jQuery.fn.extend( {
2804 find: function( selector ) {
2805 var i, ret,
2806 len = this.length,
2807 self = this;
2808
2809 if ( typeof selector !== "string" ) {
2810 return this.pushStack( jQuery( selector ).filter( function() {
2811 for ( i = 0; i < len; i++ ) {
2812 if ( jQuery.contains( self[ i ], this ) ) {
2813 return true;
2814 }
2815 }
2816 } ) );
2817 }
2818
2819 ret = this.pushStack( [] );
2820
2821 for ( i = 0; i < len; i++ ) {
2822 jQuery.find( selector, self[ i ], ret );
2823 }
2824
2825 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2826 },
2827 filter: function( selector ) {
2828 return this.pushStack( winnow( this, selector || [], false ) );
2829 },
2830 not: function( selector ) {
2831 return this.pushStack( winnow( this, selector || [], true ) );
2832 },
2833 is: function( selector ) {
2834 return !!winnow(
2835 this,
2836
2837 // If this is a positional/relative selector, check membership in the returned set
2838 // so $("p:first").is("p:last") won't return true for a doc with two "p".
2839 typeof selector === "string" && rneedsContext.test( selector ) ?
2840 jQuery( selector ) :
2841 selector || [],
2842 false
2843 ).length;
2844 }
2845 } );
2846
2847
2848 // Initialize a jQuery object
2849
2850
2851 // A central reference to the root jQuery(document)
2852 var rootjQuery,
2853
2854 // A simple way to check for HTML strings
2855 // Prioritize #id over <tag> to avoid XSS via location.hash (trac-9521)
2856 // Strict HTML recognition (trac-11290: must start with <)
2857 // Shortcut simple #id case for speed
2858 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2859
2860 init = jQuery.fn.init = function( selector, context, root ) {
2861 var match, elem;
2862
2863 // HANDLE: $(""), $(null), $(undefined), $(false)
2864 if ( !selector ) {
2865 return this;
2866 }
2867
2868 // Method init() accepts an alternate rootjQuery
2869 // so migrate can support jQuery.sub (gh-2101)
2870 root = root || rootjQuery;
2871
2872 // Handle HTML strings
2873 if ( typeof selector === "string" ) {
2874 if ( selector[ 0 ] === "<" &&
2875 selector[ selector.length - 1 ] === ">" &&
2876 selector.length >= 3 ) {
2877
2878 // Assume that strings that start and end with <> are HTML and skip the regex check
2879 match = [ null, selector, null ];
2880
2881 } else {
2882 match = rquickExpr.exec( selector );
2883 }
2884
2885 // Match html or make sure no context is specified for #id
2886 if ( match && ( match[ 1 ] || !context ) ) {
2887
2888 // HANDLE: $(html) -> $(array)
2889 if ( match[ 1 ] ) {
2890 context = context instanceof jQuery ? context[ 0 ] : context;
2891
2892 // Option to run scripts is true for back-compat
2893 // Intentionally let the error be thrown if parseHTML is not present
2894 jQuery.merge( this, jQuery.parseHTML(
2895 match[ 1 ],
2896 context && context.nodeType ? context.ownerDocument || context : document,
2897 true
2898 ) );
2899
2900 // HANDLE: $(html, props)
2901 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2902 for ( match in context ) {
2903
2904 // Properties of context are called as methods if possible
2905 if ( isFunction( this[ match ] ) ) {
2906 this[ match ]( context[ match ] );
2907
2908 // ...and otherwise set as attributes
2909 } else {
2910 this.attr( match, context[ match ] );
2911 }
2912 }
2913 }
2914
2915 return this;
2916
2917 // HANDLE: $(#id)
2918 } else {
2919 elem = document.getElementById( match[ 2 ] );
2920
2921 if ( elem ) {
2922
2923 // Inject the element directly into the jQuery object
2924 this[ 0 ] = elem;
2925 this.length = 1;
2926 }
2927 return this;
2928 }
2929
2930 // HANDLE: $(expr, $(...))
2931 } else if ( !context || context.jquery ) {
2932 return ( context || root ).find( selector );
2933
2934 // HANDLE: $(expr, context)
2935 // (which is just equivalent to: $(context).find(expr)
2936 } else {
2937 return this.constructor( context ).find( selector );
2938 }
2939
2940 // HANDLE: $(DOMElement)
2941 } else if ( selector.nodeType ) {
2942 this[ 0 ] = selector;
2943 this.length = 1;
2944 return this;
2945
2946 // HANDLE: $(function)
2947 // Shortcut for document ready
2948 } else if ( isFunction( selector ) ) {
2949 return root.ready !== undefined ?
2950 root.ready( selector ) :
2951
2952 // Execute immediately if ready is not present
2953 selector( jQuery );
2954 }
2955
2956 return jQuery.makeArray( selector, this );
2957 };
2958
2959 // Give the init function the jQuery prototype for later instantiation
2960 init.prototype = jQuery.fn;
2961
2962 // Initialize central reference
2963 rootjQuery = jQuery( document );
2964
2965
2966 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
2967
2968 // Methods guaranteed to produce a unique set when starting from a unique set
2969 guaranteedUnique = {
2970 children: true,
2971 contents: true,
2972 next: true,
2973 prev: true
2974 };
2975
2976 jQuery.fn.extend( {
2977 has: function( target ) {
2978 var targets = jQuery( target, this ),
2979 l = targets.length;
2980
2981 return this.filter( function() {
2982 var i = 0;
2983 for ( ; i < l; i++ ) {
2984 if ( jQuery.contains( this, targets[ i ] ) ) {
2985 return true;
2986 }
2987 }
2988 } );
2989 },
2990
2991 closest: function( selectors, context ) {
2992 var cur,
2993 i = 0,
2994 l = this.length,
2995 matched = [],
2996 targets = typeof selectors !== "string" && jQuery( selectors );
2997
2998 // Positional selectors never match, since there's no _selection_ context
2999 if ( !rneedsContext.test( selectors ) ) {
3000 for ( ; i < l; i++ ) {
3001 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3002
3003 // Always skip document fragments
3004 if ( cur.nodeType < 11 && ( targets ?
3005 targets.index( cur ) > -1 :
3006
3007 // Don't pass non-elements to jQuery#find
3008 cur.nodeType === 1 &&
3009 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3010
3011 matched.push( cur );
3012 break;
3013 }
3014 }
3015 }
3016 }
3017
3018 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3019 },
3020
3021 // Determine the position of an element within the set
3022 index: function( elem ) {
3023
3024 // No argument, return index in parent
3025 if ( !elem ) {
3026 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3027 }
3028
3029 // Index in selector
3030 if ( typeof elem === "string" ) {
3031 return indexOf.call( jQuery( elem ), this[ 0 ] );
3032 }
3033
3034 // Locate the position of the desired element
3035 return indexOf.call( this,
3036
3037 // If it receives a jQuery object, the first element is used
3038 elem.jquery ? elem[ 0 ] : elem
3039 );
3040 },
3041
3042 add: function( selector, context ) {
3043 return this.pushStack(
3044 jQuery.uniqueSort(
3045 jQuery.merge( this.get(), jQuery( selector, context ) )
3046 )
3047 );
3048 },
3049
3050 addBack: function( selector ) {
3051 return this.add( selector == null ?
3052 this.prevObject : this.prevObject.filter( selector )
3053 );
3054 }
3055 } );
3056
3057 function sibling( cur, dir ) {
3058 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3059 return cur;
3060 }
3061
3062 jQuery.each( {
3063 parent: function( elem ) {
3064 var parent = elem.parentNode;
3065 return parent && parent.nodeType !== 11 ? parent : null;
3066 },
3067 parents: function( elem ) {
3068 return dir( elem, "parentNode" );
3069 },
3070 parentsUntil: function( elem, _i, until ) {
3071 return dir( elem, "parentNode", until );
3072 },
3073 next: function( elem ) {
3074 return sibling( elem, "nextSibling" );
3075 },
3076 prev: function( elem ) {
3077 return sibling( elem, "previousSibling" );
3078 },
3079 nextAll: function( elem ) {
3080 return dir( elem, "nextSibling" );
3081 },
3082 prevAll: function( elem ) {
3083 return dir( elem, "previousSibling" );
3084 },
3085 nextUntil: function( elem, _i, until ) {
3086 return dir( elem, "nextSibling", until );
3087 },
3088 prevUntil: function( elem, _i, until ) {
3089 return dir( elem, "previousSibling", until );
3090 },
3091 siblings: function( elem ) {
3092 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3093 },
3094 children: function( elem ) {
3095 return siblings( elem.firstChild );
3096 },
3097 contents: function( elem ) {
3098 if ( elem.contentDocument != null &&
3099
3100 // Support: IE 11+
3101 // <object> elements with no `data` attribute has an object
3102 // `contentDocument` with a `null` prototype.
3103 getProto( elem.contentDocument ) ) {
3104
3105 return elem.contentDocument;
3106 }
3107
3108 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3109 // Treat the template element as a regular one in browsers that
3110 // don't support it.
3111 if ( nodeName( elem, "template" ) ) {
3112 elem = elem.content || elem;
3113 }
3114
3115 return jQuery.merge( [], elem.childNodes );
3116 }
3117 }, function( name, fn ) {
3118 jQuery.fn[ name ] = function( until, selector ) {
3119 var matched = jQuery.map( this, fn, until );
3120
3121 if ( name.slice( -5 ) !== "Until" ) {
3122 selector = until;
3123 }
3124
3125 if ( selector && typeof selector === "string" ) {
3126 matched = jQuery.filter( selector, matched );
3127 }
3128
3129 if ( this.length > 1 ) {
3130
3131 // Remove duplicates
3132 if ( !guaranteedUnique[ name ] ) {
3133 jQuery.uniqueSort( matched );
3134 }
3135
3136 // Reverse order for parents* and prev-derivatives
3137 if ( rparentsprev.test( name ) ) {
3138 matched.reverse();
3139 }
3140 }
3141
3142 return this.pushStack( matched );
3143 };
3144 } );
3145 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3146
3147
3148
3149 // Convert String-formatted options into Object-formatted ones
3150 function createOptions( options ) {
3151 var object = {};
3152 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3153 object[ flag ] = true;
3154 } );
3155 return object;
3156 }
3157
3158 /*
3159 * Create a callback list using the following parameters:
3160 *
3161 * options: an optional list of space-separated options that will change how
3162 * the callback list behaves or a more traditional option object
3163 *
3164 * By default a callback list will act like an event callback list and can be
3165 * "fired" multiple times.
3166 *
3167 * Possible options:
3168 *
3169 * once: will ensure the callback list can only be fired once (like a Deferred)
3170 *
3171 * memory: will keep track of previous values and will call any callback added
3172 * after the list has been fired right away with the latest "memorized"
3173 * values (like a Deferred)
3174 *
3175 * unique: will ensure a callback can only be added once (no duplicate in the list)
3176 *
3177 * stopOnFalse: interrupt callings when a callback returns false
3178 *
3179 */
3180 jQuery.Callbacks = function( options ) {
3181
3182 // Convert options from String-formatted to Object-formatted if needed
3183 // (we check in cache first)
3184 options = typeof options === "string" ?
3185 createOptions( options ) :
3186 jQuery.extend( {}, options );
3187
3188 var // Flag to know if list is currently firing
3189 firing,
3190
3191 // Last fire value for non-forgettable lists
3192 memory,
3193
3194 // Flag to know if list was already fired
3195 fired,
3196
3197 // Flag to prevent firing
3198 locked,
3199
3200 // Actual callback list
3201 list = [],
3202
3203 // Queue of execution data for repeatable lists
3204 queue = [],
3205
3206 // Index of currently firing callback (modified by add/remove as needed)
3207 firingIndex = -1,
3208
3209 // Fire callbacks
3210 fire = function() {
3211
3212 // Enforce single-firing
3213 locked = locked || options.once;
3214
3215 // Execute callbacks for all pending executions,
3216 // respecting firingIndex overrides and runtime changes
3217 fired = firing = true;
3218 for ( ; queue.length; firingIndex = -1 ) {
3219 memory = queue.shift();
3220 while ( ++firingIndex < list.length ) {
3221
3222 // Run callback and check for early termination
3223 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3224 options.stopOnFalse ) {
3225
3226 // Jump to end and forget the data so .add doesn't re-fire
3227 firingIndex = list.length;
3228 memory = false;
3229 }
3230 }
3231 }
3232
3233 // Forget the data if we're done with it
3234 if ( !options.memory ) {
3235 memory = false;
3236 }
3237
3238 firing = false;
3239
3240 // Clean up if we're done firing for good
3241 if ( locked ) {
3242
3243 // Keep an empty list if we have data for future add calls
3244 if ( memory ) {
3245 list = [];
3246
3247 // Otherwise, this object is spent
3248 } else {
3249 list = "";
3250 }
3251 }
3252 },
3253
3254 // Actual Callbacks object
3255 self = {
3256
3257 // Add a callback or a collection of callbacks to the list
3258 add: function() {
3259 if ( list ) {
3260
3261 // If we have memory from a past run, we should fire after adding
3262 if ( memory && !firing ) {
3263 firingIndex = list.length - 1;
3264 queue.push( memory );
3265 }
3266
3267 ( function add( args ) {
3268 jQuery.each( args, function( _, arg ) {
3269 if ( isFunction( arg ) ) {
3270 if ( !options.unique || !self.has( arg ) ) {
3271 list.push( arg );
3272 }
3273 } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3274
3275 // Inspect recursively
3276 add( arg );
3277 }
3278 } );
3279 } )( arguments );
3280
3281 if ( memory && !firing ) {
3282 fire();
3283 }
3284 }
3285 return this;
3286 },
3287
3288 // Remove a callback from the list
3289 remove: function() {
3290 jQuery.each( arguments, function( _, arg ) {
3291 var index;
3292 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3293 list.splice( index, 1 );
3294
3295 // Handle firing indexes
3296 if ( index <= firingIndex ) {
3297 firingIndex--;
3298 }
3299 }
3300 } );
3301 return this;
3302 },
3303
3304 // Check if a given callback is in the list.
3305 // If no argument is given, return whether or not list has callbacks attached.
3306 has: function( fn ) {
3307 return fn ?
3308 jQuery.inArray( fn, list ) > -1 :
3309 list.length > 0;
3310 },
3311
3312 // Remove all callbacks from the list
3313 empty: function() {
3314 if ( list ) {
3315 list = [];
3316 }
3317 return this;
3318 },
3319
3320 // Disable .fire and .add
3321 // Abort any current/pending executions
3322 // Clear all callbacks and values
3323 disable: function() {
3324 locked = queue = [];
3325 list = memory = "";
3326 return this;
3327 },
3328 disabled: function() {
3329 return !list;
3330 },
3331
3332 // Disable .fire
3333 // Also disable .add unless we have memory (since it would have no effect)
3334 // Abort any pending executions
3335 lock: function() {
3336 locked = queue = [];
3337 if ( !memory && !firing ) {
3338 list = memory = "";
3339 }
3340 return this;
3341 },
3342 locked: function() {
3343 return !!locked;
3344 },
3345
3346 // Call all callbacks with the given context and arguments
3347 fireWith: function( context, args ) {
3348 if ( !locked ) {
3349 args = args || [];
3350 args = [ context, args.slice ? args.slice() : args ];
3351 queue.push( args );
3352 if ( !firing ) {
3353 fire();
3354 }
3355 }
3356 return this;
3357 },
3358
3359 // Call all the callbacks with the given arguments
3360 fire: function() {
3361 self.fireWith( this, arguments );
3362 return this;
3363 },
3364
3365 // To know if the callbacks have already been called at least once
3366 fired: function() {
3367 return !!fired;
3368 }
3369 };
3370
3371 return self;
3372 };
3373
3374
3375 function Identity( v ) {
3376 return v;
3377 }
3378 function Thrower( ex ) {
3379 throw ex;
3380 }
3381
3382 function adoptValue( value, resolve, reject, noValue ) {
3383 var method;
3384
3385 try {
3386
3387 // Check for promise aspect first to privilege synchronous behavior
3388 if ( value && isFunction( ( method = value.promise ) ) ) {
3389 method.call( value ).done( resolve ).fail( reject );
3390
3391 // Other thenables
3392 } else if ( value && isFunction( ( method = value.then ) ) ) {
3393 method.call( value, resolve, reject );
3394
3395 // Other non-thenables
3396 } else {
3397
3398 // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3399 // * false: [ value ].slice( 0 ) => resolve( value )
3400 // * true: [ value ].slice( 1 ) => resolve()
3401 resolve.apply( undefined, [ value ].slice( noValue ) );
3402 }
3403
3404 // For Promises/A+, convert exceptions into rejections
3405 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3406 // Deferred#then to conditionally suppress rejection.
3407 } catch ( value ) {
3408
3409 // Support: Android 4.0 only
3410 // Strict mode functions invoked without .call/.apply get global-object context
3411 reject.apply( undefined, [ value ] );
3412 }
3413 }
3414
3415 jQuery.extend( {
3416
3417 Deferred: function( func ) {
3418 var tuples = [
3419
3420 // action, add listener, callbacks,
3421 // ... .then handlers, argument index, [final state]
3422 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3423 jQuery.Callbacks( "memory" ), 2 ],
3424 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3425 jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3426 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3427 jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3428 ],
3429 state = "pending",
3430 promise = {
3431 state: function() {
3432 return state;
3433 },
3434 always: function() {
3435 deferred.done( arguments ).fail( arguments );
3436 return this;
3437 },
3438 "catch": function( fn ) {
3439 return promise.then( null, fn );
3440 },
3441
3442 // Keep pipe for back-compat
3443 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3444 var fns = arguments;
3445
3446 return jQuery.Deferred( function( newDefer ) {
3447 jQuery.each( tuples, function( _i, tuple ) {
3448
3449 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3450 var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3451
3452 // deferred.progress(function() { bind to newDefer or newDefer.notify })
3453 // deferred.done(function() { bind to newDefer or newDefer.resolve })
3454 // deferred.fail(function() { bind to newDefer or newDefer.reject })
3455 deferred[ tuple[ 1 ] ]( function() {
3456 var returned = fn && fn.apply( this, arguments );
3457 if ( returned && isFunction( returned.promise ) ) {
3458 returned.promise()
3459 .progress( newDefer.notify )
3460 .done( newDefer.resolve )
3461 .fail( newDefer.reject );
3462 } else {
3463 newDefer[ tuple[ 0 ] + "With" ](
3464 this,
3465 fn ? [ returned ] : arguments
3466 );
3467 }
3468 } );
3469 } );
3470 fns = null;
3471 } ).promise();
3472 },
3473 then: function( onFulfilled, onRejected, onProgress ) {
3474 var maxDepth = 0;
3475 function resolve( depth, deferred, handler, special ) {
3476 return function() {
3477 var that = this,
3478 args = arguments,
3479 mightThrow = function() {
3480 var returned, then;
3481
3482 // Support: Promises/A+ section 2.3.3.3.3
3483 // https://promisesaplus.com/#point-59
3484 // Ignore double-resolution attempts
3485 if ( depth < maxDepth ) {
3486 return;
3487 }
3488
3489 returned = handler.apply( that, args );
3490
3491 // Support: Promises/A+ section 2.3.1
3492 // https://promisesaplus.com/#point-48
3493 if ( returned === deferred.promise() ) {
3494 throw new TypeError( "Thenable self-resolution" );
3495 }
3496
3497 // Support: Promises/A+ sections 2.3.3.1, 3.5
3498 // https://promisesaplus.com/#point-54
3499 // https://promisesaplus.com/#point-75
3500 // Retrieve `then` only once
3501 then = returned &&
3502
3503 // Support: Promises/A+ section 2.3.4
3504 // https://promisesaplus.com/#point-64
3505 // Only check objects and functions for thenability
3506 ( typeof returned === "object" ||
3507 typeof returned === "function" ) &&
3508 returned.then;
3509
3510 // Handle a returned thenable
3511 if ( isFunction( then ) ) {
3512
3513 // Special processors (notify) just wait for resolution
3514 if ( special ) {
3515 then.call(
3516 returned,
3517 resolve( maxDepth, deferred, Identity, special ),
3518 resolve( maxDepth, deferred, Thrower, special )
3519 );
3520
3521 // Normal processors (resolve) also hook into progress
3522 } else {
3523
3524 // ...and disregard older resolution values
3525 maxDepth++;
3526
3527 then.call(
3528 returned,
3529 resolve( maxDepth, deferred, Identity, special ),
3530 resolve( maxDepth, deferred, Thrower, special ),
3531 resolve( maxDepth, deferred, Identity,
3532 deferred.notifyWith )
3533 );
3534 }
3535
3536 // Handle all other returned values
3537 } else {
3538
3539 // Only substitute handlers pass on context
3540 // and multiple values (non-spec behavior)
3541 if ( handler !== Identity ) {
3542 that = undefined;
3543 args = [ returned ];
3544 }
3545
3546 // Process the value(s)
3547 // Default process is resolve
3548 ( special || deferred.resolveWith )( that, args );
3549 }
3550 },
3551
3552 // Only normal processors (resolve) catch and reject exceptions
3553 process = special ?
3554 mightThrow :
3555 function() {
3556 try {
3557 mightThrow();
3558 } catch ( e ) {
3559
3560 if ( jQuery.Deferred.exceptionHook ) {
3561 jQuery.Deferred.exceptionHook( e,
3562 process.error );
3563 }
3564
3565 // Support: Promises/A+ section 2.3.3.3.4.1
3566 // https://promisesaplus.com/#point-61
3567 // Ignore post-resolution exceptions
3568 if ( depth + 1 >= maxDepth ) {
3569
3570 // Only substitute handlers pass on context
3571 // and multiple values (non-spec behavior)
3572 if ( handler !== Thrower ) {
3573 that = undefined;
3574 args = [ e ];
3575 }
3576
3577 deferred.rejectWith( that, args );
3578 }
3579 }
3580 };
3581
3582 // Support: Promises/A+ section 2.3.3.3.1
3583 // https://promisesaplus.com/#point-57
3584 // Re-resolve promises immediately to dodge false rejection from
3585 // subsequent errors
3586 if ( depth ) {
3587 process();
3588 } else {
3589
3590 // Call an optional hook to record the error, in case of exception
3591 // since it's otherwise lost when execution goes async
3592 if ( jQuery.Deferred.getErrorHook ) {
3593 process.error = jQuery.Deferred.getErrorHook();
3594
3595 // The deprecated alias of the above. While the name suggests
3596 // returning the stack, not an error instance, jQuery just passes
3597 // it directly to `console.warn` so both will work; an instance
3598 // just better cooperates with source maps.
3599 } else if ( jQuery.Deferred.getStackHook ) {
3600 process.error = jQuery.Deferred.getStackHook();
3601 }
3602 window.setTimeout( process );
3603 }
3604 };
3605 }
3606
3607 return jQuery.Deferred( function( newDefer ) {
3608
3609 // progress_handlers.add( ... )
3610 tuples[ 0 ][ 3 ].add(
3611 resolve(
3612 0,
3613 newDefer,
3614 isFunction( onProgress ) ?
3615 onProgress :
3616 Identity,
3617 newDefer.notifyWith
3618 )
3619 );
3620
3621 // fulfilled_handlers.add( ... )
3622 tuples[ 1 ][ 3 ].add(
3623 resolve(
3624 0,
3625 newDefer,
3626 isFunction( onFulfilled ) ?
3627 onFulfilled :
3628 Identity
3629 )
3630 );
3631
3632 // rejected_handlers.add( ... )
3633 tuples[ 2 ][ 3 ].add(
3634 resolve(
3635 0,
3636 newDefer,
3637 isFunction( onRejected ) ?
3638 onRejected :
3639 Thrower
3640 )
3641 );
3642 } ).promise();
3643 },
3644
3645 // Get a promise for this deferred
3646 // If obj is provided, the promise aspect is added to the object
3647 promise: function( obj ) {
3648 return obj != null ? jQuery.extend( obj, promise ) : promise;
3649 }
3650 },
3651 deferred = {};
3652
3653 // Add list-specific methods
3654 jQuery.each( tuples, function( i, tuple ) {
3655 var list = tuple[ 2 ],
3656 stateString = tuple[ 5 ];
3657
3658 // promise.progress = list.add
3659 // promise.done = list.add
3660 // promise.fail = list.add
3661 promise[ tuple[ 1 ] ] = list.add;
3662
3663 // Handle state
3664 if ( stateString ) {
3665 list.add(
3666 function() {
3667
3668 // state = "resolved" (i.e., fulfilled)
3669 // state = "rejected"
3670 state = stateString;
3671 },
3672
3673 // rejected_callbacks.disable
3674 // fulfilled_callbacks.disable
3675 tuples[ 3 - i ][ 2 ].disable,
3676
3677 // rejected_handlers.disable
3678 // fulfilled_handlers.disable
3679 tuples[ 3 - i ][ 3 ].disable,
3680
3681 // progress_callbacks.lock
3682 tuples[ 0 ][ 2 ].lock,
3683
3684 // progress_handlers.lock
3685 tuples[ 0 ][ 3 ].lock
3686 );
3687 }
3688
3689 // progress_handlers.fire
3690 // fulfilled_handlers.fire
3691 // rejected_handlers.fire
3692 list.add( tuple[ 3 ].fire );
3693
3694 // deferred.notify = function() { deferred.notifyWith(...) }
3695 // deferred.resolve = function() { deferred.resolveWith(...) }
3696 // deferred.reject = function() { deferred.rejectWith(...) }
3697 deferred[ tuple[ 0 ] ] = function() {
3698 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3699 return this;
3700 };
3701
3702 // deferred.notifyWith = list.fireWith
3703 // deferred.resolveWith = list.fireWith
3704 // deferred.rejectWith = list.fireWith
3705 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3706 } );
3707
3708 // Make the deferred a promise
3709 promise.promise( deferred );
3710
3711 // Call given func if any
3712 if ( func ) {
3713 func.call( deferred, deferred );
3714 }
3715
3716 // All done!
3717 return deferred;
3718 },
3719
3720 // Deferred helper
3721 when: function( singleValue ) {
3722 var
3723
3724 // count of uncompleted subordinates
3725 remaining = arguments.length,
3726
3727 // count of unprocessed arguments
3728 i = remaining,
3729
3730 // subordinate fulfillment data
3731 resolveContexts = Array( i ),
3732 resolveValues = slice.call( arguments ),
3733
3734 // the primary Deferred
3735 primary = jQuery.Deferred(),
3736
3737 // subordinate callback factory
3738 updateFunc = function( i ) {
3739 return function( value ) {
3740 resolveContexts[ i ] = this;
3741 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3742 if ( !( --remaining ) ) {
3743 primary.resolveWith( resolveContexts, resolveValues );
3744 }
3745 };
3746 };
3747
3748 // Single- and empty arguments are adopted like Promise.resolve
3749 if ( remaining <= 1 ) {
3750 adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject,
3751 !remaining );
3752
3753 // Use .then() to unwrap secondary thenables (cf. gh-3000)
3754 if ( primary.state() === "pending" ||
3755 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3756
3757 return primary.then();
3758 }
3759 }
3760
3761 // Multiple arguments are aggregated like Promise.all array elements
3762 while ( i-- ) {
3763 adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject );
3764 }
3765
3766 return primary.promise();
3767 }
3768 } );
3769
3770
3771 // These usually indicate a programmer mistake during development,
3772 // warn about them ASAP rather than swallowing them by default.
3773 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3774
3775 // If `jQuery.Deferred.getErrorHook` is defined, `asyncError` is an error
3776 // captured before the async barrier to get the original error cause
3777 // which may otherwise be hidden.
3778 jQuery.Deferred.exceptionHook = function( error, asyncError ) {
3779
3780 // Support: IE 8 - 9 only
3781 // Console exists when dev tools are open, which can happen at any time
3782 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3783 window.console.warn( "jQuery.Deferred exception: " + error.message,
3784 error.stack, asyncError );
3785 }
3786 };
3787
3788
3789
3790
3791 jQuery.readyException = function( error ) {
3792 window.setTimeout( function() {
3793 throw error;
3794 } );
3795 };
3796
3797
3798
3799
3800 // The deferred used on DOM ready
3801 var readyList = jQuery.Deferred();
3802
3803 jQuery.fn.ready = function( fn ) {
3804
3805 readyList
3806 .then( fn )
3807
3808 // Wrap jQuery.readyException in a function so that the lookup
3809 // happens at the time of error handling instead of callback
3810 // registration.
3811 .catch( function( error ) {
3812 jQuery.readyException( error );
3813 } );
3814
3815 return this;
3816 };
3817
3818 jQuery.extend( {
3819
3820 // Is the DOM ready to be used? Set to true once it occurs.
3821 isReady: false,
3822
3823 // A counter to track how many items to wait for before
3824 // the ready event fires. See trac-6781
3825 readyWait: 1,
3826
3827 // Handle when the DOM is ready
3828 ready: function( wait ) {
3829
3830 // Abort if there are pending holds or we're already ready
3831 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3832 return;
3833 }
3834
3835 // Remember that the DOM is ready
3836 jQuery.isReady = true;
3837
3838 // If a normal DOM Ready event fired, decrement, and wait if need be
3839 if ( wait !== true && --jQuery.readyWait > 0 ) {
3840 return;
3841 }
3842
3843 // If there are functions bound, to execute
3844 readyList.resolveWith( document, [ jQuery ] );
3845 }
3846 } );
3847
3848 jQuery.ready.then = readyList.then;
3849
3850 // The ready event handler and self cleanup method
3851 function completed() {
3852 document.removeEventListener( "DOMContentLoaded", completed );
3853 window.removeEventListener( "load", completed );
3854 jQuery.ready();
3855 }
3856
3857 // Catch cases where $(document).ready() is called
3858 // after the browser event has already occurred.
3859 // Support: IE <=9 - 10 only
3860 // Older IE sometimes signals "interactive" too soon
3861 if ( document.readyState === "complete" ||
3862 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3863
3864 // Handle it asynchronously to allow scripts the opportunity to delay ready
3865 window.setTimeout( jQuery.ready );
3866
3867 } else {
3868
3869 // Use the handy event callback
3870 document.addEventListener( "DOMContentLoaded", completed );
3871
3872 // A fallback to window.onload, that will always work
3873 window.addEventListener( "load", completed );
3874 }
3875
3876
3877
3878
3879 // Multifunctional method to get and set values of a collection
3880 // The value/s can optionally be executed if it's a function
3881 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3882 var i = 0,
3883 len = elems.length,
3884 bulk = key == null;
3885
3886 // Sets many values
3887 if ( toType( key ) === "object" ) {
3888 chainable = true;
3889 for ( i in key ) {
3890 access( elems, fn, i, key[ i ], true, emptyGet, raw );
3891 }
3892
3893 // Sets one value
3894 } else if ( value !== undefined ) {
3895 chainable = true;
3896
3897 if ( !isFunction( value ) ) {
3898 raw = true;
3899 }
3900
3901 if ( bulk ) {
3902
3903 // Bulk operations run against the entire set
3904 if ( raw ) {
3905 fn.call( elems, value );
3906 fn = null;
3907
3908 // ...except when executing function values
3909 } else {
3910 bulk = fn;
3911 fn = function( elem, _key, value ) {
3912 return bulk.call( jQuery( elem ), value );
3913 };
3914 }
3915 }
3916
3917 if ( fn ) {
3918 for ( ; i < len; i++ ) {
3919 fn(
3920 elems[ i ], key, raw ?
3921 value :
3922 value.call( elems[ i ], i, fn( elems[ i ], key ) )
3923 );
3924 }
3925 }
3926 }
3927
3928 if ( chainable ) {
3929 return elems;
3930 }
3931
3932 // Gets
3933 if ( bulk ) {
3934 return fn.call( elems );
3935 }
3936
3937 return len ? fn( elems[ 0 ], key ) : emptyGet;
3938 };
3939
3940
3941 // Matches dashed string for camelizing
3942 var rmsPrefix = /^-ms-/,
3943 rdashAlpha = /-([a-z])/g;
3944
3945 // Used by camelCase as callback to replace()
3946 function fcamelCase( _all, letter ) {
3947 return letter.toUpperCase();
3948 }
3949
3950 // Convert dashed to camelCase; used by the css and data modules
3951 // Support: IE <=9 - 11, Edge 12 - 15
3952 // Microsoft forgot to hump their vendor prefix (trac-9572)
3953 function camelCase( string ) {
3954 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
3955 }
3956 var acceptData = function( owner ) {
3957
3958 // Accepts only:
3959 // - Node
3960 // - Node.ELEMENT_NODE
3961 // - Node.DOCUMENT_NODE
3962 // - Object
3963 // - Any
3964 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
3965 };
3966
3967
3968
3969
3970 function Data() {
3971 this.expando = jQuery.expando + Data.uid++;
3972 }
3973
3974 Data.uid = 1;
3975
3976 Data.prototype = {
3977
3978 cache: function( owner ) {
3979
3980 // Check if the owner object already has a cache
3981 var value = owner[ this.expando ];
3982
3983 // If not, create one
3984 if ( !value ) {
3985 value = {};
3986
3987 // We can accept data for non-element nodes in modern browsers,
3988 // but we should not, see trac-8335.
3989 // Always return an empty object.
3990 if ( acceptData( owner ) ) {
3991
3992 // If it is a node unlikely to be stringify-ed or looped over
3993 // use plain assignment
3994 if ( owner.nodeType ) {
3995 owner[ this.expando ] = value;
3996
3997 // Otherwise secure it in a non-enumerable property
3998 // configurable must be true to allow the property to be
3999 // deleted when data is removed
4000 } else {
4001 Object.defineProperty( owner, this.expando, {
4002 value: value,
4003 configurable: true
4004 } );
4005 }
4006 }
4007 }
4008
4009 return value;
4010 },
4011 set: function( owner, data, value ) {
4012 var prop,
4013 cache = this.cache( owner );
4014
4015 // Handle: [ owner, key, value ] args
4016 // Always use camelCase key (gh-2257)
4017 if ( typeof data === "string" ) {
4018 cache[ camelCase( data ) ] = value;
4019
4020 // Handle: [ owner, { properties } ] args
4021 } else {
4022
4023 // Copy the properties one-by-one to the cache object
4024 for ( prop in data ) {
4025 cache[ camelCase( prop ) ] = data[ prop ];
4026 }
4027 }
4028 return cache;
4029 },
4030 get: function( owner, key ) {
4031 return key === undefined ?
4032 this.cache( owner ) :
4033
4034 // Always use camelCase key (gh-2257)
4035 owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4036 },
4037 access: function( owner, key, value ) {
4038
4039 // In cases where either:
4040 //
4041 // 1. No key was specified
4042 // 2. A string key was specified, but no value provided
4043 //
4044 // Take the "read" path and allow the get method to determine
4045 // which value to return, respectively either:
4046 //
4047 // 1. The entire cache object
4048 // 2. The data stored at the key
4049 //
4050 if ( key === undefined ||
4051 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4052
4053 return this.get( owner, key );
4054 }
4055
4056 // When the key is not a string, or both a key and value
4057 // are specified, set or extend (existing objects) with either:
4058 //
4059 // 1. An object of properties
4060 // 2. A key and value
4061 //
4062 this.set( owner, key, value );
4063
4064 // Since the "set" path can have two possible entry points
4065 // return the expected data based on which path was taken[*]
4066 return value !== undefined ? value : key;
4067 },
4068 remove: function( owner, key ) {
4069 var i,
4070 cache = owner[ this.expando ];
4071
4072 if ( cache === undefined ) {
4073 return;
4074 }
4075
4076 if ( key !== undefined ) {
4077
4078 // Support array or space separated string of keys
4079 if ( Array.isArray( key ) ) {
4080
4081 // If key is an array of keys...
4082 // We always set camelCase keys, so remove that.
4083 key = key.map( camelCase );
4084 } else {
4085 key = camelCase( key );
4086
4087 // If a key with the spaces exists, use it.
4088 // Otherwise, create an array by matching non-whitespace
4089 key = key in cache ?
4090 [ key ] :
4091 ( key.match( rnothtmlwhite ) || [] );
4092 }
4093
4094 i = key.length;
4095
4096 while ( i-- ) {
4097 delete cache[ key[ i ] ];
4098 }
4099 }
4100
4101 // Remove the expando if there's no more data
4102 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4103
4104 // Support: Chrome <=35 - 45
4105 // Webkit & Blink performance suffers when deleting properties
4106 // from DOM nodes, so set to undefined instead
4107 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4108 if ( owner.nodeType ) {
4109 owner[ this.expando ] = undefined;
4110 } else {
4111 delete owner[ this.expando ];
4112 }
4113 }
4114 },
4115 hasData: function( owner ) {
4116 var cache = owner[ this.expando ];
4117 return cache !== undefined && !jQuery.isEmptyObject( cache );
4118 }
4119 };
4120 var dataPriv = new Data();
4121
4122 var dataUser = new Data();
4123
4124
4125
4126 // Implementation Summary
4127 //
4128 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4129 // 2. Improve the module's maintainability by reducing the storage
4130 // paths to a single mechanism.
4131 // 3. Use the same single mechanism to support "private" and "user" data.
4132 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4133 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4134 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4135
4136 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4137 rmultiDash = /[A-Z]/g;
4138
4139 function getData( data ) {
4140 if ( data === "true" ) {
4141 return true;
4142 }
4143
4144 if ( data === "false" ) {
4145 return false;
4146 }
4147
4148 if ( data === "null" ) {
4149 return null;
4150 }
4151
4152 // Only convert to a number if it doesn't change the string
4153 if ( data === +data + "" ) {
4154 return +data;
4155 }
4156
4157 if ( rbrace.test( data ) ) {
4158 return JSON.parse( data );
4159 }
4160
4161 return data;
4162 }
4163
4164 function dataAttr( elem, key, data ) {
4165 var name;
4166
4167 // If nothing was found internally, try to fetch any
4168 // data from the HTML5 data-* attribute
4169 if ( data === undefined && elem.nodeType === 1 ) {
4170 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4171 data = elem.getAttribute( name );
4172
4173 if ( typeof data === "string" ) {
4174 try {
4175 data = getData( data );
4176 } catch ( e ) {}
4177
4178 // Make sure we set the data so it isn't changed later
4179 dataUser.set( elem, key, data );
4180 } else {
4181 data = undefined;
4182 }
4183 }
4184 return data;
4185 }
4186
4187 jQuery.extend( {
4188 hasData: function( elem ) {
4189 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4190 },
4191
4192 data: function( elem, name, data ) {
4193 return dataUser.access( elem, name, data );
4194 },
4195
4196 removeData: function( elem, name ) {
4197 dataUser.remove( elem, name );
4198 },
4199
4200 // TODO: Now that all calls to _data and _removeData have been replaced
4201 // with direct calls to dataPriv methods, these can be deprecated.
4202 _data: function( elem, name, data ) {
4203 return dataPriv.access( elem, name, data );
4204 },
4205
4206 _removeData: function( elem, name ) {
4207 dataPriv.remove( elem, name );
4208 }
4209 } );
4210
4211 jQuery.fn.extend( {
4212 data: function( key, value ) {
4213 var i, name, data,
4214 elem = this[ 0 ],
4215 attrs = elem && elem.attributes;
4216
4217 // Gets all values
4218 if ( key === undefined ) {
4219 if ( this.length ) {
4220 data = dataUser.get( elem );
4221
4222 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4223 i = attrs.length;
4224 while ( i-- ) {
4225
4226 // Support: IE 11 only
4227 // The attrs elements can be null (trac-14894)
4228 if ( attrs[ i ] ) {
4229 name = attrs[ i ].name;
4230 if ( name.indexOf( "data-" ) === 0 ) {
4231 name = camelCase( name.slice( 5 ) );
4232 dataAttr( elem, name, data[ name ] );
4233 }
4234 }
4235 }
4236 dataPriv.set( elem, "hasDataAttrs", true );
4237 }
4238 }
4239
4240 return data;
4241 }
4242
4243 // Sets multiple values
4244 if ( typeof key === "object" ) {
4245 return this.each( function() {
4246 dataUser.set( this, key );
4247 } );
4248 }
4249
4250 return access( this, function( value ) {
4251 var data;
4252
4253 // The calling jQuery object (element matches) is not empty
4254 // (and therefore has an element appears at this[ 0 ]) and the
4255 // `value` parameter was not undefined. An empty jQuery object
4256 // will result in `undefined` for elem = this[ 0 ] which will
4257 // throw an exception if an attempt to read a data cache is made.
4258 if ( elem && value === undefined ) {
4259
4260 // Attempt to get data from the cache
4261 // The key will always be camelCased in Data
4262 data = dataUser.get( elem, key );
4263 if ( data !== undefined ) {
4264 return data;
4265 }
4266
4267 // Attempt to "discover" the data in
4268 // HTML5 custom data-* attrs
4269 data = dataAttr( elem, key );
4270 if ( data !== undefined ) {
4271 return data;
4272 }
4273
4274 // We tried really hard, but the data doesn't exist.
4275 return;
4276 }
4277
4278 // Set the data...
4279 this.each( function() {
4280
4281 // We always store the camelCased key
4282 dataUser.set( this, key, value );
4283 } );
4284 }, null, value, arguments.length > 1, null, true );
4285 },
4286
4287 removeData: function( key ) {
4288 return this.each( function() {
4289 dataUser.remove( this, key );
4290 } );
4291 }
4292 } );
4293
4294
4295 jQuery.extend( {
4296 queue: function( elem, type, data ) {
4297 var queue;
4298
4299 if ( elem ) {
4300 type = ( type || "fx" ) + "queue";
4301 queue = dataPriv.get( elem, type );
4302
4303 // Speed up dequeue by getting out quickly if this is just a lookup
4304 if ( data ) {
4305 if ( !queue || Array.isArray( data ) ) {
4306 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4307 } else {
4308 queue.push( data );
4309 }
4310 }
4311 return queue || [];
4312 }
4313 },
4314
4315 dequeue: function( elem, type ) {
4316 type = type || "fx";
4317
4318 var queue = jQuery.queue( elem, type ),
4319 startLength = queue.length,
4320 fn = queue.shift(),
4321 hooks = jQuery._queueHooks( elem, type ),
4322 next = function() {
4323 jQuery.dequeue( elem, type );
4324 };
4325
4326 // If the fx queue is dequeued, always remove the progress sentinel
4327 if ( fn === "inprogress" ) {
4328 fn = queue.shift();
4329 startLength--;
4330 }
4331
4332 if ( fn ) {
4333
4334 // Add a progress sentinel to prevent the fx queue from being
4335 // automatically dequeued
4336 if ( type === "fx" ) {
4337 queue.unshift( "inprogress" );
4338 }
4339
4340 // Clear up the last queue stop function
4341 delete hooks.stop;
4342 fn.call( elem, next, hooks );
4343 }
4344
4345 if ( !startLength && hooks ) {
4346 hooks.empty.fire();
4347 }
4348 },
4349
4350 // Not public - generate a queueHooks object, or return the current one
4351 _queueHooks: function( elem, type ) {
4352 var key = type + "queueHooks";
4353 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4354 empty: jQuery.Callbacks( "once memory" ).add( function() {
4355 dataPriv.remove( elem, [ type + "queue", key ] );
4356 } )
4357 } );
4358 }
4359 } );
4360
4361 jQuery.fn.extend( {
4362 queue: function( type, data ) {
4363 var setter = 2;
4364
4365 if ( typeof type !== "string" ) {
4366 data = type;
4367 type = "fx";
4368 setter--;
4369 }
4370
4371 if ( arguments.length < setter ) {
4372 return jQuery.queue( this[ 0 ], type );
4373 }
4374
4375 return data === undefined ?
4376 this :
4377 this.each( function() {
4378 var queue = jQuery.queue( this, type, data );
4379
4380 // Ensure a hooks for this queue
4381 jQuery._queueHooks( this, type );
4382
4383 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4384 jQuery.dequeue( this, type );
4385 }
4386 } );
4387 },
4388 dequeue: function( type ) {
4389 return this.each( function() {
4390 jQuery.dequeue( this, type );
4391 } );
4392 },
4393 clearQueue: function( type ) {
4394 return this.queue( type || "fx", [] );
4395 },
4396
4397 // Get a promise resolved when queues of a certain type
4398 // are emptied (fx is the type by default)
4399 promise: function( type, obj ) {
4400 var tmp,
4401 count = 1,
4402 defer = jQuery.Deferred(),
4403 elements = this,
4404 i = this.length,
4405 resolve = function() {
4406 if ( !( --count ) ) {
4407 defer.resolveWith( elements, [ elements ] );
4408 }
4409 };
4410
4411 if ( typeof type !== "string" ) {
4412 obj = type;
4413 type = undefined;
4414 }
4415 type = type || "fx";
4416
4417 while ( i-- ) {
4418 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4419 if ( tmp && tmp.empty ) {
4420 count++;
4421 tmp.empty.add( resolve );
4422 }
4423 }
4424 resolve();
4425 return defer.promise( obj );
4426 }
4427 } );
4428 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4429
4430 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4431
4432
4433 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4434
4435 var documentElement = document.documentElement;
4436
4437
4438
4439 var isAttached = function( elem ) {
4440 return jQuery.contains( elem.ownerDocument, elem );
4441 },
4442 composed = { composed: true };
4443
4444 // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4445 // Check attachment across shadow DOM boundaries when possible (gh-3504)
4446 // Support: iOS 10.0-10.2 only
4447 // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4448 // leading to errors. We need to check for `getRootNode`.
4449 if ( documentElement.getRootNode ) {
4450 isAttached = function( elem ) {
4451 return jQuery.contains( elem.ownerDocument, elem ) ||
4452 elem.getRootNode( composed ) === elem.ownerDocument;
4453 };
4454 }
4455 var isHiddenWithinTree = function( elem, el ) {
4456
4457 // isHiddenWithinTree might be called from jQuery#filter function;
4458 // in that case, element will be second argument
4459 elem = el || elem;
4460
4461 // Inline style trumps all
4462 return elem.style.display === "none" ||
4463 elem.style.display === "" &&
4464
4465 // Otherwise, check computed style
4466 // Support: Firefox <=43 - 45
4467 // Disconnected elements can have computed display: none, so first confirm that elem is
4468 // in the document.
4469 isAttached( elem ) &&
4470
4471 jQuery.css( elem, "display" ) === "none";
4472 };
4473
4474
4475
4476 function adjustCSS( elem, prop, valueParts, tween ) {
4477 var adjusted, scale,
4478 maxIterations = 20,
4479 currentValue = tween ?
4480 function() {
4481 return tween.cur();
4482 } :
4483 function() {
4484 return jQuery.css( elem, prop, "" );
4485 },
4486 initial = currentValue(),
4487 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4488
4489 // Starting value computation is required for potential unit mismatches
4490 initialInUnit = elem.nodeType &&
4491 ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4492 rcssNum.exec( jQuery.css( elem, prop ) );
4493
4494 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4495
4496 // Support: Firefox <=54
4497 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4498 initial = initial / 2;
4499
4500 // Trust units reported by jQuery.css
4501 unit = unit || initialInUnit[ 3 ];
4502
4503 // Iteratively approximate from a nonzero starting point
4504 initialInUnit = +initial || 1;
4505
4506 while ( maxIterations-- ) {
4507
4508 // Evaluate and update our best guess (doubling guesses that zero out).
4509 // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4510 jQuery.style( elem, prop, initialInUnit + unit );
4511 if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4512 maxIterations = 0;
4513 }
4514 initialInUnit = initialInUnit / scale;
4515
4516 }
4517
4518 initialInUnit = initialInUnit * 2;
4519 jQuery.style( elem, prop, initialInUnit + unit );
4520
4521 // Make sure we update the tween properties later on
4522 valueParts = valueParts || [];
4523 }
4524
4525 if ( valueParts ) {
4526 initialInUnit = +initialInUnit || +initial || 0;
4527
4528 // Apply relative offset (+=/-=) if specified
4529 adjusted = valueParts[ 1 ] ?
4530 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4531 +valueParts[ 2 ];
4532 if ( tween ) {
4533 tween.unit = unit;
4534 tween.start = initialInUnit;
4535 tween.end = adjusted;
4536 }
4537 }
4538 return adjusted;
4539 }
4540
4541
4542 var defaultDisplayMap = {};
4543
4544 function getDefaultDisplay( elem ) {
4545 var temp,
4546 doc = elem.ownerDocument,
4547 nodeName = elem.nodeName,
4548 display = defaultDisplayMap[ nodeName ];
4549
4550 if ( display ) {
4551 return display;
4552 }
4553
4554 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4555 display = jQuery.css( temp, "display" );
4556
4557 temp.parentNode.removeChild( temp );
4558
4559 if ( display === "none" ) {
4560 display = "block";
4561 }
4562 defaultDisplayMap[ nodeName ] = display;
4563
4564 return display;
4565 }
4566
4567 function showHide( elements, show ) {
4568 var display, elem,
4569 values = [],
4570 index = 0,
4571 length = elements.length;
4572
4573 // Determine new display value for elements that need to change
4574 for ( ; index < length; index++ ) {
4575 elem = elements[ index ];
4576 if ( !elem.style ) {
4577 continue;
4578 }
4579
4580 display = elem.style.display;
4581 if ( show ) {
4582
4583 // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4584 // check is required in this first loop unless we have a nonempty display value (either
4585 // inline or about-to-be-restored)
4586 if ( display === "none" ) {
4587 values[ index ] = dataPriv.get( elem, "display" ) || null;
4588 if ( !values[ index ] ) {
4589 elem.style.display = "";
4590 }
4591 }
4592 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4593 values[ index ] = getDefaultDisplay( elem );
4594 }
4595 } else {
4596 if ( display !== "none" ) {
4597 values[ index ] = "none";
4598
4599 // Remember what we're overwriting
4600 dataPriv.set( elem, "display", display );
4601 }
4602 }
4603 }
4604
4605 // Set the display of the elements in a second loop to avoid constant reflow
4606 for ( index = 0; index < length; index++ ) {
4607 if ( values[ index ] != null ) {
4608 elements[ index ].style.display = values[ index ];
4609 }
4610 }
4611
4612 return elements;
4613 }
4614
4615 jQuery.fn.extend( {
4616 show: function() {
4617 return showHide( this, true );
4618 },
4619 hide: function() {
4620 return showHide( this );
4621 },
4622 toggle: function( state ) {
4623 if ( typeof state === "boolean" ) {
4624 return state ? this.show() : this.hide();
4625 }
4626
4627 return this.each( function() {
4628 if ( isHiddenWithinTree( this ) ) {
4629 jQuery( this ).show();
4630 } else {
4631 jQuery( this ).hide();
4632 }
4633 } );
4634 }
4635 } );
4636 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4637
4638 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4639
4640 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4641
4642
4643
4644 ( function() {
4645 var fragment = document.createDocumentFragment(),
4646 div = fragment.appendChild( document.createElement( "div" ) ),
4647 input = document.createElement( "input" );
4648
4649 // Support: Android 4.0 - 4.3 only
4650 // Check state lost if the name is set (trac-11217)
4651 // Support: Windows Web Apps (WWA)
4652 // `name` and `type` must use .setAttribute for WWA (trac-14901)
4653 input.setAttribute( "type", "radio" );
4654 input.setAttribute( "checked", "checked" );
4655 input.setAttribute( "name", "t" );
4656
4657 div.appendChild( input );
4658
4659 // Support: Android <=4.1 only
4660 // Older WebKit doesn't clone checked state correctly in fragments
4661 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4662
4663 // Support: IE <=11 only
4664 // Make sure textarea (and checkbox) defaultValue is properly cloned
4665 div.innerHTML = "<textarea>x</textarea>";
4666 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4667
4668 // Support: IE <=9 only
4669 // IE <=9 replaces <option> tags with their contents when inserted outside of
4670 // the select element.
4671 div.innerHTML = "<option></option>";
4672 support.option = !!div.lastChild;
4673 } )();
4674
4675
4676 // We have to close these tags to support XHTML (trac-13200)
4677 var wrapMap = {
4678
4679 // XHTML parsers do not magically insert elements in the
4680 // same way that tag soup parsers do. So we cannot shorten
4681 // this by omitting <tbody> or other required elements.
4682 thead: [ 1, "<table>", "</table>" ],
4683 col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4684 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4685 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4686
4687 _default: [ 0, "", "" ]
4688 };
4689
4690 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4691 wrapMap.th = wrapMap.td;
4692
4693 // Support: IE <=9 only
4694 if ( !support.option ) {
4695 wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
4696 }
4697
4698
4699 function getAll( context, tag ) {
4700
4701 // Support: IE <=9 - 11 only
4702 // Use typeof to avoid zero-argument method invocation on host objects (trac-15151)
4703 var ret;
4704
4705 if ( typeof context.getElementsByTagName !== "undefined" ) {
4706 ret = context.getElementsByTagName( tag || "*" );
4707
4708 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4709 ret = context.querySelectorAll( tag || "*" );
4710
4711 } else {
4712 ret = [];
4713 }
4714
4715 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4716 return jQuery.merge( [ context ], ret );
4717 }
4718
4719 return ret;
4720 }
4721
4722
4723 // Mark scripts as having already been evaluated
4724 function setGlobalEval( elems, refElements ) {
4725 var i = 0,
4726 l = elems.length;
4727
4728 for ( ; i < l; i++ ) {
4729 dataPriv.set(
4730 elems[ i ],
4731 "globalEval",
4732 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4733 );
4734 }
4735 }
4736
4737
4738 var rhtml = /<|&#?\w+;/;
4739
4740 function buildFragment( elems, context, scripts, selection, ignored ) {
4741 var elem, tmp, tag, wrap, attached, j,
4742 fragment = context.createDocumentFragment(),
4743 nodes = [],
4744 i = 0,
4745 l = elems.length;
4746
4747 for ( ; i < l; i++ ) {
4748 elem = elems[ i ];
4749
4750 if ( elem || elem === 0 ) {
4751
4752 // Add nodes directly
4753 if ( toType( elem ) === "object" ) {
4754
4755 // Support: Android <=4.0 only, PhantomJS 1 only
4756 // push.apply(_, arraylike) throws on ancient WebKit
4757 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4758
4759 // Convert non-html into a text node
4760 } else if ( !rhtml.test( elem ) ) {
4761 nodes.push( context.createTextNode( elem ) );
4762
4763 // Convert html into DOM nodes
4764 } else {
4765 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4766
4767 // Deserialize a standard representation
4768 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4769 wrap = wrapMap[ tag ] || wrapMap._default;
4770 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4771
4772 // Descend through wrappers to the right content
4773 j = wrap[ 0 ];
4774 while ( j-- ) {
4775 tmp = tmp.lastChild;
4776 }
4777
4778 // Support: Android <=4.0 only, PhantomJS 1 only
4779 // push.apply(_, arraylike) throws on ancient WebKit
4780 jQuery.merge( nodes, tmp.childNodes );
4781
4782 // Remember the top-level container
4783 tmp = fragment.firstChild;
4784
4785 // Ensure the created nodes are orphaned (trac-12392)
4786 tmp.textContent = "";
4787 }
4788 }
4789 }
4790
4791 // Remove wrapper from fragment
4792 fragment.textContent = "";
4793
4794 i = 0;
4795 while ( ( elem = nodes[ i++ ] ) ) {
4796
4797 // Skip elements already in the context collection (trac-4087)
4798 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4799 if ( ignored ) {
4800 ignored.push( elem );
4801 }
4802 continue;
4803 }
4804
4805 attached = isAttached( elem );
4806
4807 // Append to fragment
4808 tmp = getAll( fragment.appendChild( elem ), "script" );
4809
4810 // Preserve script evaluation history
4811 if ( attached ) {
4812 setGlobalEval( tmp );
4813 }
4814
4815 // Capture executables
4816 if ( scripts ) {
4817 j = 0;
4818 while ( ( elem = tmp[ j++ ] ) ) {
4819 if ( rscriptType.test( elem.type || "" ) ) {
4820 scripts.push( elem );
4821 }
4822 }
4823 }
4824 }
4825
4826 return fragment;
4827 }
4828
4829
4830 var rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4831
4832 function returnTrue() {
4833 return true;
4834 }
4835
4836 function returnFalse() {
4837 return false;
4838 }
4839
4840 function on( elem, types, selector, data, fn, one ) {
4841 var origFn, type;
4842
4843 // Types can be a map of types/handlers
4844 if ( typeof types === "object" ) {
4845
4846 // ( types-Object, selector, data )
4847 if ( typeof selector !== "string" ) {
4848
4849 // ( types-Object, data )
4850 data = data || selector;
4851 selector = undefined;
4852 }
4853 for ( type in types ) {
4854 on( elem, type, selector, data, types[ type ], one );
4855 }
4856 return elem;
4857 }
4858
4859 if ( data == null && fn == null ) {
4860
4861 // ( types, fn )
4862 fn = selector;
4863 data = selector = undefined;
4864 } else if ( fn == null ) {
4865 if ( typeof selector === "string" ) {
4866
4867 // ( types, selector, fn )
4868 fn = data;
4869 data = undefined;
4870 } else {
4871
4872 // ( types, data, fn )
4873 fn = data;
4874 data = selector;
4875 selector = undefined;
4876 }
4877 }
4878 if ( fn === false ) {
4879 fn = returnFalse;
4880 } else if ( !fn ) {
4881 return elem;
4882 }
4883
4884 if ( one === 1 ) {
4885 origFn = fn;
4886 fn = function( event ) {
4887
4888 // Can use an empty set, since event contains the info
4889 jQuery().off( event );
4890 return origFn.apply( this, arguments );
4891 };
4892
4893 // Use same guid so caller can remove using origFn
4894 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4895 }
4896 return elem.each( function() {
4897 jQuery.event.add( this, types, fn, data, selector );
4898 } );
4899 }
4900
4901 /*
4902 * Helper functions for managing events -- not part of the public interface.
4903 * Props to Dean Edwards' addEvent library for many of the ideas.
4904 */
4905 jQuery.event = {
4906
4907 global: {},
4908
4909 add: function( elem, types, handler, data, selector ) {
4910
4911 var handleObjIn, eventHandle, tmp,
4912 events, t, handleObj,
4913 special, handlers, type, namespaces, origType,
4914 elemData = dataPriv.get( elem );
4915
4916 // Only attach events to objects that accept data
4917 if ( !acceptData( elem ) ) {
4918 return;
4919 }
4920
4921 // Caller can pass in an object of custom data in lieu of the handler
4922 if ( handler.handler ) {
4923 handleObjIn = handler;
4924 handler = handleObjIn.handler;
4925 selector = handleObjIn.selector;
4926 }
4927
4928 // Ensure that invalid selectors throw exceptions at attach time
4929 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
4930 if ( selector ) {
4931 jQuery.find.matchesSelector( documentElement, selector );
4932 }
4933
4934 // Make sure that the handler has a unique ID, used to find/remove it later
4935 if ( !handler.guid ) {
4936 handler.guid = jQuery.guid++;
4937 }
4938
4939 // Init the element's event structure and main handler, if this is the first
4940 if ( !( events = elemData.events ) ) {
4941 events = elemData.events = Object.create( null );
4942 }
4943 if ( !( eventHandle = elemData.handle ) ) {
4944 eventHandle = elemData.handle = function( e ) {
4945
4946 // Discard the second event of a jQuery.event.trigger() and
4947 // when an event is called after a page has unloaded
4948 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
4949 jQuery.event.dispatch.apply( elem, arguments ) : undefined;
4950 };
4951 }
4952
4953 // Handle multiple events separated by a space
4954 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
4955 t = types.length;
4956 while ( t-- ) {
4957 tmp = rtypenamespace.exec( types[ t ] ) || [];
4958 type = origType = tmp[ 1 ];
4959 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
4960
4961 // There *must* be a type, no attaching namespace-only handlers
4962 if ( !type ) {
4963 continue;
4964 }
4965
4966 // If event changes its type, use the special event handlers for the changed type
4967 special = jQuery.event.special[ type ] || {};
4968
4969 // If selector defined, determine special event api type, otherwise given type
4970 type = ( selector ? special.delegateType : special.bindType ) || type;
4971
4972 // Update special based on newly reset type
4973 special = jQuery.event.special[ type ] || {};
4974
4975 // handleObj is passed to all event handlers
4976 handleObj = jQuery.extend( {
4977 type: type,
4978 origType: origType,
4979 data: data,
4980 handler: handler,
4981 guid: handler.guid,
4982 selector: selector,
4983 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4984 namespace: namespaces.join( "." )
4985 }, handleObjIn );
4986
4987 // Init the event handler queue if we're the first
4988 if ( !( handlers = events[ type ] ) ) {
4989 handlers = events[ type ] = [];
4990 handlers.delegateCount = 0;
4991
4992 // Only use addEventListener if the special events handler returns false
4993 if ( !special.setup ||
4994 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4995
4996 if ( elem.addEventListener ) {
4997 elem.addEventListener( type, eventHandle );
4998 }
4999 }
5000 }
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