2 // Will speed up references to window, and allows munging its name.
4 // Will speed up references to undefined, and allows munging its name.
6 // Map over jQuery in case of overwrite
7 _jQuery = window.jQuery,
8 // Map over the $ in case of overwrite
11 jQuery = window.jQuery = window.$ = function( selector, context ) {
12 // The jQuery object is actually just the init constructor 'enhanced'
13 return new jQuery.fn.init( selector, context );
16 // A simple way to check for HTML strings or ID strings
17 // (both of which we optimize for)
18 quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
19 // Is it a simple selector
20 isSimple = /^.[^:#\[\.,]*$/;
22 jQuery.fn = jQuery.prototype = {
23 init: function( selector, context ) {
24 // Make sure that a selection was provided
25 selector = selector || document;
27 // Handle $(DOMElement)
28 if ( selector.nodeType ) {
31 this.context = selector;
34 // Handle HTML strings
35 if ( typeof selector === "string" ) {
36 // Are we dealing with HTML string or an ID?
37 var match = quickExpr.exec( selector );
39 // Verify a match, and that no context was specified for #id
40 if ( match && (match[1] || !context) ) {
42 // HANDLE: $(html) -> $(array)
44 selector = jQuery.clean( [ match[1] ], context );
48 var elem = document.getElementById( match[3] );
50 // Handle the case where IE and Opera return items
51 // by name instead of ID
52 if ( elem && elem.id != match[3] )
53 return jQuery().find( selector );
55 // Otherwise, we inject the element directly into the jQuery object
56 var ret = jQuery( elem || [] );
57 ret.context = document;
58 ret.selector = selector;
62 // HANDLE: $(expr, [context])
63 // (which is just equivalent to: $(content).find(expr)
65 return jQuery( context ).find( selector );
67 // HANDLE: $(function)
68 // Shortcut for document ready
69 } else if ( jQuery.isFunction( selector ) )
70 return jQuery( document ).ready( selector );
72 // Make sure that old selector state is passed along
73 if ( selector.selector && selector.context ) {
74 this.selector = selector.selector;
75 this.context = selector.context;
78 return this.setArray(jQuery.makeArray(selector));
81 // Start with an empty selector
84 // The current version of jQuery being used
87 // The number of elements contained in the matched element set
92 // Get the Nth element in the matched element set OR
93 // Get the whole matched element set as a clean array
94 get: function( num ) {
95 return num === undefined ?
97 // Return a 'clean' array
98 jQuery.makeArray( this ) :
100 // Return just the object
104 // Take an array of elements and push it onto the stack
105 // (returning the new matched element set)
106 pushStack: function( elems, name, selector ) {
107 // Build a new jQuery matched element set
108 var ret = jQuery( elems );
110 // Add the old object onto the stack (as a reference)
111 ret.prevObject = this;
113 ret.context = this.context;
115 if ( name === "find" )
116 ret.selector = this.selector + (this.selector ? " " : "") + selector;
118 ret.selector = this.selector + "." + name + "(" + selector + ")";
120 // Return the newly-formed element set
124 // Force the current matched set of elements to become
125 // the specified array of elements (destroying the stack in the process)
126 // You should use pushStack() in order to do this, but maintain the stack
127 setArray: function( elems ) {
128 // Resetting the length to 0, then using the native Array push
129 // is a super-fast way to populate an object with array-like properties
131 Array.prototype.push.apply( this, elems );
136 // Execute a callback for every element in the matched set.
137 // (You can seed the arguments with an array of args, but this is
138 // only used internally.)
139 each: function( callback, args ) {
140 return jQuery.each( this, callback, args );
143 // Determine the position of an element within
144 // the matched set of elements
145 index: function( elem ) {
146 // Locate the position of the desired element
147 return jQuery.inArray(
148 // If it receives a jQuery object, the first element is used
149 elem && elem.jquery ? elem[0] : elem
153 attr: function( name, value, type ) {
156 // Look for the case where we're accessing a style value
157 if ( typeof name === "string" )
158 if ( value === undefined )
159 return this[0] && jQuery[ type || "attr" ]( this[0], name );
163 options[ name ] = value;
166 // Check to see if we're setting style values
167 return this.each(function(i){
168 // Set all the styles
169 for ( name in options )
174 name, jQuery.prop( this, options[ name ], type, i, name )
179 css: function( key, value ) {
180 // ignore negative width and height values
181 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
183 return this.attr( key, value, "curCSS" );
186 text: function( text ) {
187 if ( typeof text !== "object" && text != null )
188 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
192 jQuery.each( text || this, function(){
193 jQuery.each( this.childNodes, function(){
194 if ( this.nodeType != 8 )
195 ret += this.nodeType != 1 ?
197 jQuery.fn.text( [ this ] );
204 wrapAll: function( html ) {
206 // The elements to wrap the target around
207 var wrap = jQuery( html, this[0].ownerDocument ).clone();
209 if ( this[0].parentNode )
210 wrap.insertBefore( this[0] );
215 while ( elem.firstChild )
216 elem = elem.firstChild;
225 wrapInner: function( html ) {
226 return this.each(function(){
227 jQuery( this ).contents().wrapAll( html );
231 wrap: function( html ) {
232 return this.each(function(){
233 jQuery( this ).wrapAll( html );
238 return this.domManip(arguments, true, function(elem){
239 if (this.nodeType == 1)
240 this.appendChild( elem );
244 prepend: function() {
245 return this.domManip(arguments, true, function(elem){
246 if (this.nodeType == 1)
247 this.insertBefore( elem, this.firstChild );
252 return this.domManip(arguments, false, function(elem){
253 this.parentNode.insertBefore( elem, this );
258 return this.domManip(arguments, false, function(elem){
259 this.parentNode.insertBefore( elem, this.nextSibling );
264 return this.prevObject || jQuery( [] );
267 // For internal use only.
268 // Behaves like an Array's .push method, not like a jQuery method.
271 find: function( selector ) {
272 if ( this.length === 1 && !/,/.test(selector) ) {
273 var ret = this.pushStack( [], "find", selector );
275 jQuery.find( selector, this[0], ret );
278 var elems = jQuery.map(this, function(elem){
279 return jQuery.find( selector, elem );
282 return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
283 jQuery.unique( elems ) :
284 elems, "find", selector );
288 clone: function( events ) {
290 var ret = this.map(function(){
291 if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
292 // IE copies events bound via attachEvent when
293 // using cloneNode. Calling detachEvent on the
294 // clone will also remove the events from the orignal
295 // In order to get around this, we use innerHTML.
296 // Unfortunately, this means some modifications to
297 // attributes in IE that are actually only stored
298 // as properties will not be copied (such as the
299 // the name attribute on an input).
300 var html = this.outerHTML;
302 var div = this.ownerDocument.createElement("div");
303 div.appendChild( this.cloneNode(true) );
304 html = div.innerHTML;
307 return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")])[0];
309 return this.cloneNode(true);
312 // Copy the events from the original to the clone
313 if ( events === true ) {
314 var orig = this.find("*").andSelf(), i = 0;
316 ret.find("*").andSelf().each(function(){
317 if ( this.nodeName !== orig[i].nodeName )
320 var events = jQuery.data( orig[i], "events" );
322 for ( var type in events ) {
323 for ( var handler in events[ type ] ) {
324 jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
332 // Return the cloned set
336 filter: function( selector ) {
337 return this.pushStack(
338 jQuery.isFunction( selector ) &&
339 jQuery.grep(this, function(elem, i){
340 return selector.call( elem, i );
343 jQuery.multiFilter( selector, jQuery.grep(this, function(elem){
344 return elem.nodeType === 1;
345 }) ), "filter", selector );
348 closest: function( selector ) {
349 var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null;
351 return this.map(function(){
353 while ( cur && cur.ownerDocument ) {
354 if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) )
356 cur = cur.parentNode;
361 not: function( selector ) {
362 if ( typeof selector === "string" )
363 // test special case where just one selector is passed in
364 if ( isSimple.test( selector ) )
365 return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector );
367 selector = jQuery.multiFilter( selector, this );
369 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
370 return this.filter(function() {
371 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
375 add: function( selector ) {
376 return this.pushStack( jQuery.unique( jQuery.merge(
378 typeof selector === "string" ?
380 jQuery.makeArray( selector )
384 is: function( selector ) {
385 return !!selector && jQuery.multiFilter( selector, this ).length > 0;
388 hasClass: function( selector ) {
389 return !!selector && this.is( "." + selector );
392 val: function( value ) {
393 if ( value === undefined ) {
397 if( jQuery.nodeName( elem, 'option' ) )
398 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
400 // We need to handle select boxes special
401 if ( jQuery.nodeName( elem, "select" ) ) {
402 var index = elem.selectedIndex,
404 options = elem.options,
405 one = elem.type == "select-one";
407 // Nothing was selected
411 // Loop through all the selected options
412 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
413 var option = options[ i ];
415 if ( option.selected ) {
416 // Get the specifc value for the option
417 value = jQuery(option).val();
419 // We don't need an array for one selects
423 // Multi-Selects return an array
424 values.push( value );
431 // Everything else, we just grab the value
432 return (elem.value || "").replace(/\r/g, "");
439 if ( typeof value === "number" )
442 return this.each(function(){
443 if ( this.nodeType != 1 )
446 if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
447 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
448 jQuery.inArray(this.name, value) >= 0);
450 else if ( jQuery.nodeName( this, "select" ) ) {
451 var values = jQuery.makeArray(value);
453 jQuery( "option", this ).each(function(){
454 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
455 jQuery.inArray( this.text, values ) >= 0);
458 if ( !values.length )
459 this.selectedIndex = -1;
466 html: function( value ) {
467 return value === undefined ?
469 this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") :
471 this.empty().append( value );
474 replaceWith: function( value ) {
475 return this.after( value ).remove();
479 return this.slice( i, +i + 1 );
483 return this.pushStack( Array.prototype.slice.apply( this, arguments ),
484 "slice", Array.prototype.slice.call(arguments).join(",") );
487 map: function( callback ) {
488 return this.pushStack( jQuery.map(this, function(elem, i){
489 return callback.call( elem, i, elem );
493 andSelf: function() {
494 return this.add( this.prevObject );
497 domManip: function( args, table, callback ) {
499 var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),
500 scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),
501 first = fragment.firstChild,
502 extra = this.length > 1 ? fragment.cloneNode(true) : fragment;
505 for ( var i = 0, l = this.length; i < l; i++ )
506 callback.call( root(this[i], first), i > 0 ? extra.cloneNode(true) : fragment );
509 jQuery.each( scripts, evalScript );
514 function root( elem, cur ) {
515 return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?
516 (elem.getElementsByTagName("tbody")[0] ||
517 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
523 // Give the init function the jQuery prototype for later instantiation
524 jQuery.fn.init.prototype = jQuery.fn;
526 function evalScript( i, elem ) {
535 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
537 if ( elem.parentNode )
538 elem.parentNode.removeChild( elem );
545 jQuery.extend = jQuery.fn.extend = function() {
546 // copy reference to target object
547 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
549 // Handle a deep copy situation
550 if ( typeof target === "boolean" ) {
552 target = arguments[1] || {};
553 // skip the boolean and the target
557 // Handle case when target is a string or something (possible in deep copy)
558 if ( typeof target !== "object" && !jQuery.isFunction(target) )
561 // extend jQuery itself if only one argument is passed
567 for ( ; i < length; i++ )
568 // Only deal with non-null/undefined values
569 if ( (options = arguments[ i ]) != null )
570 // Extend the base object
571 for ( var name in options ) {
572 var src = target[ name ], copy = options[ name ];
574 // Prevent never-ending loop
575 if ( target === copy )
578 // Recurse if we're merging object values
579 if ( deep && copy && typeof copy === "object" && !copy.nodeType )
580 target[ name ] = jQuery.extend( deep,
581 // Never move original objects, clone them
582 src || ( copy.length != null ? [ ] : { } )
585 // Don't bring in undefined values
586 else if ( copy !== undefined )
587 target[ name ] = copy;
591 // Return the modified object
595 // exclude the following css properties to add px
596 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
598 defaultView = document.defaultView || {},
599 toString = Object.prototype.toString;
602 noConflict: function( deep ) {
606 window.jQuery = _jQuery;
611 // See test/unit/core.js for details concerning isFunction.
612 // Since version 1.3, DOM methods and functions like alert
613 // aren't supported. They return false on IE (#2968).
614 isFunction: function( obj ) {
615 return toString.call(obj) === "[object Function]";
618 isArray: function( obj ) {
619 return toString.call(obj) === "[object Array]";
622 // check if an element is in a (or is an) XML document
623 isXMLDoc: function( elem ) {
624 return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
625 !!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument );
628 // Evalulates a script in a global context
629 globalEval: function( data ) {
630 if ( data && /\S/.test(data) ) {
631 // Inspired by code by Andrea Giammarchi
632 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
633 var head = document.getElementsByTagName("head")[0] || document.documentElement,
634 script = document.createElement("script");
636 script.type = "text/javascript";
637 if ( jQuery.support.scriptEval )
638 script.appendChild( document.createTextNode( data ) );
642 // Use insertBefore instead of appendChild to circumvent an IE6 bug.
643 // This arises when a base node is used (#2709).
644 head.insertBefore( script, head.firstChild );
645 head.removeChild( script );
649 nodeName: function( elem, name ) {
650 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
653 // args is for internal usage only
654 each: function( object, callback, args ) {
655 var name, i = 0, length = object.length;
658 if ( length === undefined ) {
659 for ( name in object )
660 if ( callback.apply( object[ name ], args ) === false )
663 for ( ; i < length; )
664 if ( callback.apply( object[ i++ ], args ) === false )
667 // A special, fast, case for the most common use of each
669 if ( length === undefined ) {
670 for ( name in object )
671 if ( callback.call( object[ name ], name, object[ name ] ) === false )
674 for ( var value = object[0];
675 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
681 prop: function( elem, value, type, i, name ) {
682 // Handle executable functions
683 if ( jQuery.isFunction( value ) )
684 value = value.call( elem, i );
686 // Handle passing in a number to a CSS property
687 return typeof value === "number" && type == "curCSS" && !exclude.test( name ) ?
693 // internal only, use addClass("class")
694 add: function( elem, classNames ) {
695 jQuery.each((classNames || "").split(/\s+/), function(i, className){
696 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
697 elem.className += (elem.className ? " " : "") + className;
701 // internal only, use removeClass("class")
702 remove: function( elem, classNames ) {
703 if (elem.nodeType == 1)
704 elem.className = classNames !== undefined ?
705 jQuery.grep(elem.className.split(/\s+/), function(className){
706 return !jQuery.className.has( classNames, className );
711 // internal only, use hasClass("class")
712 has: function( elem, className ) {
713 return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
717 // A method for quickly swapping in/out CSS properties to get correct calculations
718 swap: function( elem, options, callback ) {
720 // Remember the old values, and insert the new ones
721 for ( var name in options ) {
722 old[ name ] = elem.style[ name ];
723 elem.style[ name ] = options[ name ];
726 callback.call( elem );
728 // Revert the old values
729 for ( var name in options )
730 elem.style[ name ] = old[ name ];
733 css: function( elem, name, force ) {
734 if ( name == "width" || name == "height" ) {
735 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
738 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
739 var padding = 0, border = 0;
740 jQuery.each( which, function() {
741 padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
742 border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
744 val -= Math.round(padding + border);
747 if ( jQuery(elem).is(":visible") )
750 jQuery.swap( elem, props, getWH );
752 return Math.max(0, val);
755 return jQuery.curCSS( elem, name, force );
758 curCSS: function( elem, name, force ) {
759 var ret, style = elem.style;
761 // We need to handle opacity special in IE
762 if ( name == "opacity" && !jQuery.support.opacity ) {
763 ret = jQuery.attr( style, "opacity" );
770 // Make sure we're using the right name for getting the float value
771 if ( name.match( /float/i ) )
774 if ( !force && style && style[ name ] )
777 else if ( defaultView.getComputedStyle ) {
779 // Only "float" is needed here
780 if ( name.match( /float/i ) )
783 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
785 var computedStyle = defaultView.getComputedStyle( elem, null );
788 ret = computedStyle.getPropertyValue( name );
790 // We should always get a number back from opacity
791 if ( name == "opacity" && ret == "" )
794 } else if ( elem.currentStyle ) {
795 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
796 return letter.toUpperCase();
799 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
801 // From the awesome hack by Dean Edwards
802 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
804 // If we're not dealing with a regular pixel number
805 // but a number that has a weird ending, we need to convert it to pixels
806 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
807 // Remember the original values
808 var left = style.left, rsLeft = elem.runtimeStyle.left;
810 // Put in the new values to get a computed value out
811 elem.runtimeStyle.left = elem.currentStyle.left;
812 style.left = ret || 0;
813 ret = style.pixelLeft + "px";
815 // Revert the changed values
817 elem.runtimeStyle.left = rsLeft;
824 clean: function( elems, context, fragment ) {
825 context = context || document;
827 // !context.createElement fails in IE with an error but returns typeof 'object'
828 if ( typeof context.createElement === "undefined" )
829 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
831 // If a single string is passed in and it's a single tag
832 // just do a createElement and skip the rest
833 if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) {
834 var match = /^<(\w+)\s*\/?>$/.exec(elems[0]);
836 return [ context.createElement( match[1] ) ];
839 var ret = [], scripts = [], div = context.createElement("div");
841 jQuery.each(elems, function(i, elem){
842 if ( typeof elem === "number" )
848 // Convert html string into DOM nodes
849 if ( typeof elem === "string" ) {
850 // Fix "XHTML"-style tags in all browsers
851 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
852 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
854 front + "></" + tag + ">";
857 // Trim whitespace, otherwise indexOf won't work as expected
858 var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
861 // option or optgroup
862 !tags.indexOf("<opt") &&
863 [ 1, "<select multiple='multiple'>", "</select>" ] ||
865 !tags.indexOf("<leg") &&
866 [ 1, "<fieldset>", "</fieldset>" ] ||
868 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
869 [ 1, "<table>", "</table>" ] ||
871 !tags.indexOf("<tr") &&
872 [ 2, "<table><tbody>", "</tbody></table>" ] ||
874 // <thead> matched above
875 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
876 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
878 !tags.indexOf("<col") &&
879 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
881 // IE can't serialize <link> and <script> tags normally
882 !jQuery.support.htmlSerialize &&
883 [ 1, "div<div>", "</div>" ] ||
887 // Go to html and back, then peel off extra wrappers
888 div.innerHTML = wrap[1] + elem + wrap[2];
890 // Move to the right depth
894 // Remove IE's autoinserted <tbody> from table fragments
895 if ( !jQuery.support.tbody ) {
897 // String was a <table>, *may* have spurious <tbody>
898 var hasBody = /<tbody/i.test(elem),
899 tbody = !tags.indexOf("<table") && !hasBody ?
900 div.firstChild && div.firstChild.childNodes :
902 // String was a bare <thead> or <tfoot>
903 wrap[1] == "<table>" && !hasBody ?
907 for ( var j = tbody.length - 1; j >= 0 ; --j )
908 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
909 tbody[ j ].parentNode.removeChild( tbody[ j ] );
913 // IE completely kills leading whitespace when innerHTML is used
914 if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
915 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
917 elem = jQuery.makeArray( div.childNodes );
923 ret = jQuery.merge( ret, elem );
928 for ( var i = 0; ret[i]; i++ ) {
929 if ( jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
930 scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
932 if ( ret[i].nodeType === 1 )
933 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
934 fragment.appendChild( ret[i] );
944 attr: function( elem, name, value ) {
945 // don't set attributes on text and comment nodes
946 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
949 var notxml = !jQuery.isXMLDoc( elem ),
950 // Whether we are setting (or getting)
951 set = value !== undefined;
953 // Try to normalize/fix the name
954 name = notxml && jQuery.props[ name ] || name;
956 // Only do all the following if this is a node (faster for style)
957 // IE elem.getAttribute passes even for style
958 if ( elem.tagName ) {
960 // These attributes require special treatment
961 var special = /href|src|style/.test( name );
963 // Safari mis-reports the default selected property of a hidden option
964 // Accessing the parent's selectedIndex property fixes it
965 if ( name == "selected" && elem.parentNode )
966 elem.parentNode.selectedIndex;
968 // If applicable, access the attribute via the DOM 0 way
969 if ( name in elem && notxml && !special ) {
971 // We can't allow the type property to be changed (since it causes problems in IE)
972 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
973 throw "type property can't be changed";
975 elem[ name ] = value;
978 // browsers index elements by id/name on forms, give priority to attributes.
979 if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
980 return elem.getAttributeNode( name ).nodeValue;
982 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
983 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
984 if ( name == "tabIndex" ) {
985 var attributeNode = elem.getAttributeNode( "tabIndex" );
986 return attributeNode && attributeNode.specified
987 ? attributeNode.value
988 : elem.nodeName.match(/(button|input|object|select|textarea)/i)
990 : elem.nodeName.match(/^(a|area)$/i) && elem.href
998 if ( !jQuery.support.style && notxml && name == "style" )
999 return jQuery.attr( elem.style, "cssText", value );
1002 // convert the value to a string (all browsers do this but IE) see #1070
1003 elem.setAttribute( name, "" + value );
1005 var attr = !jQuery.support.hrefNormalized && notxml && special
1006 // Some attributes require a special call on IE
1007 ? elem.getAttribute( name, 2 )
1008 : elem.getAttribute( name );
1010 // Non-existent attributes return null, we normalize to undefined
1011 return attr === null ? undefined : attr;
1014 // elem is actually elem.style ... set the style
1016 // IE uses filters for opacity
1017 if ( !jQuery.support.opacity && name == "opacity" ) {
1019 // IE has trouble with opacity if it does not have layout
1020 // Force it by setting the zoom level
1023 // Set the alpha filter to set the opacity
1024 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1025 (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1028 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1029 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
1033 name = name.replace(/-([a-z])/ig, function(all, letter){
1034 return letter.toUpperCase();
1038 elem[ name ] = value;
1040 return elem[ name ];
1043 trim: function( text ) {
1044 return (text || "").replace( /^\s+|\s+$/g, "" );
1047 makeArray: function( array ) {
1050 if( array != null ){
1051 var i = array.length;
1052 // The window, strings (and functions) also have 'length'
1053 if( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval )
1057 ret[--i] = array[i];
1063 inArray: function( elem, array ) {
1064 for ( var i = 0, length = array.length; i < length; i++ )
1065 // Use === because on IE, window == document
1066 if ( array[ i ] === elem )
1072 merge: function( first, second ) {
1073 // We have to loop this way because IE & Opera overwrite the length
1074 // expando of getElementsByTagName
1075 var i = 0, elem, pos = first.length;
1076 // Also, we need to make sure that the correct elements are being returned
1077 // (IE returns comment nodes in a '*' query)
1078 if ( !jQuery.support.getAll ) {
1079 while ( (elem = second[ i++ ]) != null )
1080 if ( elem.nodeType != 8 )
1081 first[ pos++ ] = elem;
1084 while ( (elem = second[ i++ ]) != null )
1085 first[ pos++ ] = elem;
1090 unique: function( array ) {
1091 var ret = [], done = {};
1095 for ( var i = 0, length = array.length; i < length; i++ ) {
1096 var id = jQuery.data( array[ i ] );
1098 if ( !done[ id ] ) {
1100 ret.push( array[ i ] );
1111 grep: function( elems, callback, inv ) {
1114 // Go through the array, only saving the items
1115 // that pass the validator function
1116 for ( var i = 0, length = elems.length; i < length; i++ )
1117 if ( !inv != !callback( elems[ i ], i ) )
1118 ret.push( elems[ i ] );
1123 map: function( elems, callback ) {
1126 // Go through the array, translating each of the items to their
1127 // new value (or values).
1128 for ( var i = 0, length = elems.length; i < length; i++ ) {
1129 var value = callback( elems[ i ], i );
1131 if ( value != null )
1132 ret[ ret.length ] = value;
1135 return ret.concat.apply( [], ret );
1139 // Use of jQuery.browser is deprecated.
1140 // It's included for backwards compatibility and plugins,
1141 // although they should work to migrate away.
1143 var userAgent = navigator.userAgent.toLowerCase();
1145 // Figure out what browser is being used
1147 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
1148 safari: /webkit/.test( userAgent ),
1149 opera: /opera/.test( userAgent ),
1150 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1151 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1155 parent: function(elem){return elem.parentNode;},
1156 parents: function(elem){return jQuery.dir(elem,"parentNode");},
1157 next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
1158 prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
1159 nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
1160 prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
1161 siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
1162 children: function(elem){return jQuery.sibling(elem.firstChild);},
1163 contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
1164 }, function(name, fn){
1165 jQuery.fn[ name ] = function( selector ) {
1166 var ret = jQuery.map( this, fn );
1168 if ( selector && typeof selector == "string" )
1169 ret = jQuery.multiFilter( selector, ret );
1171 return this.pushStack( jQuery.unique( ret ), name, selector );
1177 prependTo: "prepend",
1178 insertBefore: "before",
1179 insertAfter: "after",
1180 replaceAll: "replaceWith"
1181 }, function(name, original){
1182 jQuery.fn[ name ] = function() {
1183 var args = arguments;
1185 return this.each(function(){
1186 for ( var i = 0, length = args.length; i < length; i++ )
1187 jQuery( args[ i ] )[ original ]( this );
1193 removeAttr: function( name ) {
1194 jQuery.attr( this, name, "" );
1195 if (this.nodeType == 1)
1196 this.removeAttribute( name );
1199 addClass: function( classNames ) {
1200 jQuery.className.add( this, classNames );
1203 removeClass: function( classNames ) {
1204 jQuery.className.remove( this, classNames );
1207 toggleClass: function( classNames, state ) {
1208 if( typeof state !== "boolean" )
1209 state = !jQuery.className.has( this, classNames );
1210 jQuery.className[ state ? "add" : "remove" ]( this, classNames );
1213 remove: function( selector ) {
1214 if ( !selector || jQuery.filter( selector, [ this ] ).length ) {
1215 // Prevent memory leaks
1216 jQuery( "*", this ).add([this]).each(function(){
1217 jQuery.event.remove(this);
1218 jQuery.removeData(this);
1220 if (this.parentNode)
1221 this.parentNode.removeChild( this );
1226 // Remove element nodes and prevent memory leaks
1227 jQuery( ">*", this ).remove();
1229 // Remove any remaining nodes
1230 while ( this.firstChild )
1231 this.removeChild( this.firstChild );
1233 }, function(name, fn){
1234 jQuery.fn[ name ] = function(){
1235 return this.each( fn, arguments );
1239 // Helper function used by the dimensions and offset modules
1240 function num(elem, prop) {
1241 return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;