2 * jQuery @VERSION - New Wave Javascript
4 * Copyright (c) 2008 John Resig (jquery.com)
5 * Dual licensed under the MIT (MIT-LICENSE.txt)
6 * and GPL (GPL-LICENSE.txt) licenses.
12 // Map over jQuery in case of overwrite
13 var _jQuery = window.jQuery,
14 // Map over the $ in case of overwrite
17 var jQuery = window.jQuery = window.$ = function( selector, context ) {
18 // The jQuery object is actually just the init constructor 'enhanced'
19 return new jQuery.fn.init( selector, context );
22 // A simple way to check for HTML strings or ID strings
23 // (both of which we optimize for)
24 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
26 // Is it a simple selector
27 isSimple = /^.[^:#\[\.]*$/,
29 // Will speed up references to undefined, and allows munging its name.
32 jQuery.fn = jQuery.prototype = {
33 init: function( selector, context ) {
34 // Make sure that a selection was provided
35 selector = selector || document;
37 // Handle $(DOMElement)
38 if ( selector.nodeType ) {
41 this.context = selector;
44 // Handle HTML strings
45 if ( typeof selector === "string" ) {
46 // Are we dealing with HTML string or an ID?
47 var match = quickExpr.exec( selector );
49 // Verify a match, and that no context was specified for #id
50 if ( match && (match[1] || !context) ) {
52 // HANDLE: $(html) -> $(array)
54 selector = jQuery.clean( [ match[1] ], context );
58 var elem = document.getElementById( match[3] );
60 // Make sure an element was located
62 // Handle the case where IE and Opera return items
63 // by name instead of ID
64 if ( elem.id != match[3] )
65 return jQuery().find( selector );
67 // Otherwise, we inject the element directly into the jQuery object
68 var ret = jQuery( elem );
69 ret.context = document;
70 ret.selector = selector;
76 // HANDLE: $(expr, [context])
77 // (which is just equivalent to: $(content).find(expr)
79 return jQuery( context ).find( selector );
81 // HANDLE: $(function)
82 // Shortcut for document ready
83 } else if ( jQuery.isFunction( selector ) )
84 return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
86 return this.setArray(jQuery.makeArray(selector));
89 // Start with an empty selector
92 // The current version of jQuery being used
95 // The number of elements contained in the matched element set
100 // Get the Nth element in the matched element set OR
101 // Get the whole matched element set as a clean array
102 get: function( num ) {
103 return num === undefined ?
105 // Return a 'clean' array
106 jQuery.makeArray( this ) :
108 // Return just the object
112 // Take an array of elements and push it onto the stack
113 // (returning the new matched element set)
114 pushStack: function( elems, name, selector ) {
115 // Build a new jQuery matched element set
116 var ret = jQuery( elems );
118 // Add the old object onto the stack (as a reference)
119 ret.prevObject = this;
121 ret.context = this.context;
123 if ( name === "find" )
124 ret.selector = this.selector + (this.selector ? " " : "") + selector;
126 ret.selector = this.selector + "." + name + "(" + selector + ")";
128 // Return the newly-formed element set
132 // Force the current matched set of elements to become
133 // the specified array of elements (destroying the stack in the process)
134 // You should use pushStack() in order to do this, but maintain the stack
135 setArray: function( elems ) {
136 // Resetting the length to 0, then using the native Array push
137 // is a super-fast way to populate an object with array-like properties
139 Array.prototype.push.apply( this, elems );
144 // Execute a callback for every element in the matched set.
145 // (You can seed the arguments with an array of args, but this is
146 // only used internally.)
147 each: function( callback, args ) {
148 return jQuery.each( this, callback, args );
151 // Determine the position of an element within
152 // the matched set of elements
153 index: function( elem ) {
156 // Locate the position of the desired element
157 return jQuery.inArray(
158 // If it receives a jQuery object, the first element is used
159 elem && elem.jquery ? elem[0] : elem
163 attr: function( name, value, type ) {
166 // Look for the case where we're accessing a style value
167 if ( typeof name === "string" )
168 if ( value === undefined )
169 return this[0] && jQuery[ type || "attr" ]( this[0], name );
173 options[ name ] = value;
176 // Check to see if we're setting style values
177 return this.each(function(i){
178 // Set all the styles
179 for ( name in options )
184 name, jQuery.prop( this, options[ name ], type, i, name )
189 css: function( key, value ) {
190 // ignore negative width and height values
191 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
193 return this.attr( key, value, "curCSS" );
196 text: function( text ) {
197 if ( typeof text !== "object" && text != null )
198 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
202 jQuery.each( text || this, function(){
203 jQuery.each( this.childNodes, function(){
204 if ( this.nodeType != 8 )
205 ret += this.nodeType != 1 ?
207 jQuery.fn.text( [ this ] );
214 wrapAll: function( html ) {
216 // The elements to wrap the target around
217 jQuery( html, this[0].ownerDocument )
219 .insertBefore( this[0] )
223 while ( elem.firstChild )
224 elem = elem.firstChild;
233 wrapInner: function( html ) {
234 return this.each(function(){
235 jQuery( this ).contents().wrapAll( html );
239 wrap: function( html ) {
240 return this.each(function(){
241 jQuery( this ).wrapAll( html );
246 return this.domManip(arguments, true, function(elem){
247 if (this.nodeType == 1)
248 this.appendChild( elem );
252 prepend: function() {
253 return this.domManip(arguments, true, function(elem){
254 if (this.nodeType == 1)
255 this.insertBefore( elem, this.firstChild );
260 return this.domManip(arguments, false, function(elem){
261 this.parentNode.insertBefore( elem, this );
266 return this.domManip(arguments, false, function(elem){
267 this.parentNode.insertBefore( elem, this.nextSibling );
272 return this.prevObject || jQuery( [] );
275 find: function( selector ) {
276 var elems = jQuery.map(this, function(elem){
277 return jQuery.find( selector, elem );
280 return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
281 jQuery.unique( elems ) :
282 elems, "find", selector );
285 clone: function( events ) {
287 var ret = this.map(function(){
288 if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
289 // IE copies events bound via attachEvent when
290 // using cloneNode. Calling detachEvent on the
291 // clone will also remove the events from the orignal
292 // In order to get around this, we use innerHTML.
293 // Unfortunately, this means some modifications to
294 // attributes in IE that are actually only stored
295 // as properties will not be copied (such as the
296 // the name attribute on an input).
297 var clone = this.cloneNode(true),
298 container = document.createElement("div");
299 container.appendChild(clone);
300 return jQuery.clean([container.innerHTML])[0];
302 return this.cloneNode(true);
305 // Need to set the expando to null on the cloned set if it exists
306 // removeData doesn't work here, IE removes it from the original as well
307 // this is primarily for IE but the data expando shouldn't be copied over in any browser
308 var clone = ret.find("*").andSelf().each(function(){
309 if ( this[ expando ] !== undefined )
310 this[ expando ] = null;
313 // Copy the events from the original to the clone
314 if ( events === true )
315 this.find("*").andSelf().each(function(i){
316 if (this.nodeType == 3)
318 var events = jQuery.data( this, "events" );
320 for ( var type in events )
321 for ( var handler in events[ type ] )
322 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
325 // Return the cloned set
329 filter: function( selector ) {
330 return this.pushStack(
331 jQuery.isFunction( selector ) &&
332 jQuery.grep(this, function(elem, i){
333 return selector.call( elem, i );
336 jQuery.multiFilter( selector, jQuery.grep(this, function(elem){
337 return elem.nodeType === 1;
338 }) ), "filter", selector );
341 not: function( selector ) {
342 if ( typeof selector === "string" )
343 // test special case where just one selector is passed in
344 if ( isSimple.test( selector ) )
345 return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector );
347 selector = jQuery.multiFilter( selector, this );
349 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
350 return this.filter(function() {
351 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
355 add: function( selector ) {
356 return this.pushStack( jQuery.unique( jQuery.merge(
358 typeof selector === "string" ?
360 jQuery.makeArray( selector )
364 is: function( selector ) {
365 return !!selector && jQuery.multiFilter( selector, this ).length > 0;
368 hasClass: function( selector ) {
369 return !!selector && this.is( "." + selector );
372 val: function( value ) {
373 if ( value === undefined ) {
377 if( jQuery.nodeName( elem, 'option' ) )
378 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
380 // We need to handle select boxes special
381 if ( jQuery.nodeName( elem, "select" ) ) {
382 var index = elem.selectedIndex,
384 options = elem.options,
385 one = elem.type == "select-one";
387 // Nothing was selected
391 // Loop through all the selected options
392 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
393 var option = options[ i ];
395 if ( option.selected ) {
396 // Get the specifc value for the option
397 value = jQuery(option).val();
399 // We don't need an array for one selects
403 // Multi-Selects return an array
404 values.push( value );
411 // Everything else, we just grab the value
412 return (elem.value || "").replace(/\r/g, "");
419 if ( typeof value === "number" )
422 return this.each(function(){
423 if ( this.nodeType != 1 )
426 if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
427 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
428 jQuery.inArray(this.name, value) >= 0);
430 else if ( jQuery.nodeName( this, "select" ) ) {
431 var values = jQuery.makeArray(value);
433 jQuery( "option", this ).each(function(){
434 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
435 jQuery.inArray( this.text, values ) >= 0);
438 if ( !values.length )
439 this.selectedIndex = -1;
446 html: function( value ) {
447 return value === undefined ?
451 this.empty().append( value );
454 replaceWith: function( value ) {
455 return this.after( value ).remove();
459 return this.slice( i, +i + 1 );
463 return this.pushStack( Array.prototype.slice.apply( this, arguments ),
464 "slice", Array.prototype.slice.call(arguments).join(",") );
467 map: function( callback ) {
468 return this.pushStack( jQuery.map(this, function(elem, i){
469 return callback.call( elem, i, elem );
473 andSelf: function() {
474 return this.add( this.prevObject );
477 data: function( key, value ){
478 var parts = key.split(".");
479 parts[1] = parts[1] ? "." + parts[1] : "";
481 if ( value === undefined ) {
482 var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
484 if ( data === undefined && this.length )
485 data = jQuery.data( this[0], key );
487 return data == null && parts[1] ?
488 this.data( parts[0] ) :
491 return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
492 jQuery.data( this, key, value );
496 removeData: function( key ){
497 return this.each(function(){
498 jQuery.removeData( this, key );
502 domManip: function( args, table, callback ) {
504 var fragment = document.createDocumentFragment(),
505 scripts = jQuery.clean( args, this[0].ownerDocument, fragment ),
506 first = fragment.firstChild,
507 extra = this.length > 1 ? fragment.cloneNode(true) : fragment;
510 for ( var i = 0, l = this.length; i < l; i++ )
511 callback.call( root(this[i], first), i > 0 ? extra.cloneNode(true) : fragment );
514 jQuery.each( scripts, evalScript );
519 function root( elem, cur ) {
520 return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?
521 (elem.getElementsByTagName("tbody")[0] ||
522 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
528 // Give the init function the jQuery prototype for later instantiation
529 jQuery.fn.init.prototype = jQuery.fn;
531 function evalScript( i, elem ) {
540 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
542 if ( elem.parentNode )
543 elem.parentNode.removeChild( elem );
550 jQuery.extend = jQuery.fn.extend = function() {
551 // copy reference to target object
552 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
554 // Handle a deep copy situation
555 if ( typeof target === "boolean" ) {
557 target = arguments[1] || {};
558 // skip the boolean and the target
562 // Handle case when target is a string or something (possible in deep copy)
563 if ( typeof target !== "object" && !jQuery.isFunction(target) )
566 // extend jQuery itself if only one argument is passed
572 for ( ; i < length; i++ )
573 // Only deal with non-null/undefined values
574 if ( (options = arguments[ i ]) != null )
575 // Extend the base object
576 for ( var name in options ) {
577 var src = target[ name ], copy = options[ name ];
579 // Prevent never-ending loop
580 if ( target === copy )
583 // Recurse if we're merging object values
584 if ( deep && copy && typeof copy === "object" && !copy.nodeType )
585 target[ name ] = jQuery.extend( deep,
586 // Never move original objects, clone them
587 src || ( copy.length != null ? [ ] : { } )
590 // Don't bring in undefined values
591 else if ( copy !== undefined )
592 target[ name ] = copy;
596 // Return the modified object
600 var expando = "jQuery" + now(), uuid = 0, windowData = {},
601 // exclude the following css properties to add px
602 exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
604 defaultView = document.defaultView || {},
605 toString = Object.prototype.toString;
608 noConflict: function( deep ) {
612 window.jQuery = _jQuery;
617 // See test/unit/core.js for details concerning isFunction.
618 // Since version 1.3, DOM methods and functions like alert
619 // aren't supported. They return false on IE (#2968).
620 isFunction: function( obj ) {
621 return toString.call(obj) === "[object Function]";
624 isArray: function( obj ) {
625 return toString.call(obj) === "[object Array]";
628 // check if an element is in a (or is an) XML document
629 isXMLDoc: function( elem ) {
630 return elem.documentElement && !elem.body ||
631 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
634 // Evalulates a script in a global context
635 globalEval: function( data ) {
636 data = jQuery.trim( data );
639 // Inspired by code by Andrea Giammarchi
640 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
641 var head = document.getElementsByTagName("head")[0] || document.documentElement,
642 script = document.createElement("script");
644 script.type = "text/javascript";
645 if ( jQuery.browser.msie )
648 script.appendChild( document.createTextNode( data ) );
650 // Use insertBefore instead of appendChild to circumvent an IE6 bug.
651 // This arises when a base node is used (#2709).
652 head.insertBefore( script, head.firstChild );
653 head.removeChild( script );
657 nodeName: function( elem, name ) {
658 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
663 data: function( elem, name, data ) {
664 elem = elem == window ?
668 var id = elem[ expando ];
670 // Compute a unique ID for the element
672 id = elem[ expando ] = ++uuid;
674 // Only generate the data cache if we're
675 // trying to access or manipulate it
676 if ( name && !jQuery.cache[ id ] )
677 jQuery.cache[ id ] = {};
679 // Prevent overriding the named cache with undefined values
680 if ( data !== undefined )
681 jQuery.cache[ id ][ name ] = data;
683 // Return the named cache data, or the ID for the element
685 jQuery.cache[ id ][ name ] || null :
689 removeData: function( elem, name ) {
690 elem = elem == window ?
694 var id = elem[ expando ];
696 // If we want to remove a specific section of the element's data
698 if ( jQuery.cache[ id ] ) {
699 // Remove the section of cache data
700 delete jQuery.cache[ id ][ name ];
702 // If we've removed all the data, remove the element's cache
705 for ( name in jQuery.cache[ id ] )
709 jQuery.removeData( elem );
712 // Otherwise, we want to remove all of the element's data
714 // Clean up the element expando
716 delete elem[ expando ];
718 // IE has trouble directly removing the expando
719 // but it's ok with using removeAttribute
720 if ( elem.removeAttribute )
721 elem.removeAttribute( expando );
724 // Completely remove the data cache
725 delete jQuery.cache[ id ];
729 // args is for internal usage only
730 each: function( object, callback, args ) {
731 var name, i = 0, length = object.length;
734 if ( length === undefined ) {
735 for ( name in object )
736 if ( callback.apply( object[ name ], args ) === false )
739 for ( ; i < length; )
740 if ( callback.apply( object[ i++ ], args ) === false )
743 // A special, fast, case for the most common use of each
745 if ( length === undefined ) {
746 for ( name in object )
747 if ( callback.call( object[ name ], name, object[ name ] ) === false )
750 for ( var value = object[0];
751 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
757 prop: function( elem, value, type, i, name ) {
758 // Handle executable functions
759 if ( jQuery.isFunction( value ) )
760 value = value.call( elem, i );
762 // Handle passing in a number to a CSS property
763 return typeof value === "number" && type == "curCSS" && !exclude.test( name ) ?
769 // internal only, use addClass("class")
770 add: function( elem, classNames ) {
771 jQuery.each((classNames || "").split(/\s+/), function(i, className){
772 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
773 elem.className += (elem.className ? " " : "") + className;
777 // internal only, use removeClass("class")
778 remove: function( elem, classNames ) {
779 if (elem.nodeType == 1)
780 elem.className = classNames !== undefined ?
781 jQuery.grep(elem.className.split(/\s+/), function(className){
782 return !jQuery.className.has( classNames, className );
787 // internal only, use hasClass("class")
788 has: function( elem, className ) {
789 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
793 // A method for quickly swapping in/out CSS properties to get correct calculations
794 swap: function( elem, options, callback ) {
796 // Remember the old values, and insert the new ones
797 for ( var name in options ) {
798 old[ name ] = elem.style[ name ];
799 elem.style[ name ] = options[ name ];
802 callback.call( elem );
804 // Revert the old values
805 for ( var name in options )
806 elem.style[ name ] = old[ name ];
809 css: function( elem, name, force ) {
810 if ( name == "width" || name == "height" ) {
811 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
814 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
815 var padding = 0, border = 0;
816 jQuery.each( which, function() {
817 padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
818 border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
820 val -= Math.round(padding + border);
823 if ( jQuery(elem).is(":visible") )
826 jQuery.swap( elem, props, getWH );
828 return Math.max(0, val);
831 return jQuery.curCSS( elem, name, force );
834 curCSS: function( elem, name, force ) {
835 var ret, style = elem.style;
837 // A helper method for determining if an element's values are broken
838 function color( elem ) {
839 if ( !jQuery.browser.safari )
842 // defaultView is cached
843 var ret = defaultView.getComputedStyle( elem, null );
844 return !ret || ret.getPropertyValue("color") == "";
847 // We need to handle opacity special in IE
848 if ( name == "opacity" && jQuery.browser.msie ) {
849 ret = jQuery.attr( style, "opacity" );
855 // Opera sometimes will give the wrong display answer, this fixes it, see #2037
856 if ( jQuery.browser.opera && name == "display" ) {
857 var save = style.outline;
858 style.outline = "0 solid black";
859 style.outline = save;
862 // Make sure we're using the right name for getting the float value
863 if ( name.match( /float/i ) )
866 if ( !force && style && style[ name ] )
869 else if ( defaultView.getComputedStyle ) {
871 // Only "float" is needed here
872 if ( name.match( /float/i ) )
875 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
877 var computedStyle = defaultView.getComputedStyle( elem, null );
879 if ( computedStyle && !color( elem ) )
880 ret = computedStyle.getPropertyValue( name );
882 // If the element isn't reporting its values properly in Safari
883 // then some display: none elements are involved
885 var swap = [], stack = [], a = elem, i = 0;
887 // Locate all of the parent display: none elements
888 for ( ; a && color(a); a = a.parentNode )
891 // Go through and make them visible, but in reverse
892 // (It would be better if we knew the exact display type that they had)
893 for ( ; i < stack.length; i++ )
894 if ( color( stack[ i ] ) ) {
895 swap[ i ] = stack[ i ].style.display;
896 stack[ i ].style.display = "block";
899 // Since we flip the display style, we have to handle that
900 // one special, otherwise get the value
901 ret = name == "display" && swap[ stack.length - 1 ] != null ?
903 ( computedStyle && computedStyle.getPropertyValue( name ) ) || "";
905 // Finally, revert the display styles back
906 for ( i = 0; i < swap.length; i++ )
907 if ( swap[ i ] != null )
908 stack[ i ].style.display = swap[ i ];
911 // We should always get a number back from opacity
912 if ( name == "opacity" && ret == "" )
915 } else if ( elem.currentStyle ) {
916 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
917 return letter.toUpperCase();
920 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
922 // From the awesome hack by Dean Edwards
923 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
925 // If we're not dealing with a regular pixel number
926 // but a number that has a weird ending, we need to convert it to pixels
927 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
928 // Remember the original values
929 var left = style.left, rsLeft = elem.runtimeStyle.left;
931 // Put in the new values to get a computed value out
932 elem.runtimeStyle.left = elem.currentStyle.left;
933 style.left = ret || 0;
934 ret = style.pixelLeft + "px";
936 // Revert the changed values
938 elem.runtimeStyle.left = rsLeft;
945 clean: function( elems, context, fragment ) {
946 var ret = [], scripts = [];
947 context = context || document;
949 // !context.createElement fails in IE with an error but returns typeof 'object'
950 if ( typeof context.createElement === "undefined" )
951 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
953 jQuery.each(elems, function(i, elem){
954 if ( typeof elem === "number" )
960 // Convert html string into DOM nodes
961 if ( typeof elem === "string" ) {
962 // Fix "XHTML"-style tags in all browsers
963 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
964 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
966 front + "></" + tag + ">";
969 // Trim whitespace, otherwise indexOf won't work as expected
970 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
973 // option or optgroup
974 !tags.indexOf("<opt") &&
975 [ 1, "<select multiple='multiple'>", "</select>" ] ||
977 !tags.indexOf("<leg") &&
978 [ 1, "<fieldset>", "</fieldset>" ] ||
980 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
981 [ 1, "<table>", "</table>" ] ||
983 !tags.indexOf("<tr") &&
984 [ 2, "<table><tbody>", "</tbody></table>" ] ||
986 // <thead> matched above
987 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
988 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
990 !tags.indexOf("<col") &&
991 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
993 // IE can't serialize <link> and <script> tags normally
994 jQuery.browser.msie &&
995 [ 1, "div<div>", "</div>" ] ||
999 // Go to html and back, then peel off extra wrappers
1000 div.innerHTML = wrap[1] + elem + wrap[2];
1002 // Move to the right depth
1004 div = div.lastChild;
1006 // Remove IE's autoinserted <tbody> from table fragments
1007 if ( jQuery.browser.msie ) {
1009 // String was a <table>, *may* have spurious <tbody>
1010 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
1011 div.firstChild && div.firstChild.childNodes :
1013 // String was a bare <thead> or <tfoot>
1014 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
1018 for ( var j = tbody.length - 1; j >= 0 ; --j )
1019 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
1020 tbody[ j ].parentNode.removeChild( tbody[ j ] );
1022 // IE completely kills leading whitespace when innerHTML is used
1023 if ( /^\s/.test( elem ) )
1024 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
1029 var found = div.getElementsByTagName("script");
1031 while ( found.length ) {
1032 scripts.push( found[0] );
1033 found[0].parentNode.removeChild( found[0] );
1037 elem = jQuery.makeArray( div.childNodes );
1040 if ( elem.nodeType )
1043 ret = jQuery.merge( ret, elem );
1048 for ( var i = 0; ret[i]; i++ ) {
1049 if ( jQuery.nodeName( ret[i], "script" ) ) {
1050 ret[i].parentNode.removeChild( ret[i] );
1052 if ( ret[i].nodeType === 1 )
1053 ret = jQuery.merge( ret, ret[i].getElementsByTagName("script"));
1054 fragment.appendChild( ret[i] );
1064 attr: function( elem, name, value ) {
1065 // don't set attributes on text and comment nodes
1066 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
1069 var notxml = !jQuery.isXMLDoc( elem ),
1070 // Whether we are setting (or getting)
1071 set = value !== undefined,
1072 msie = jQuery.browser.msie;
1074 // Try to normalize/fix the name
1075 name = notxml && jQuery.props[ name ] || name;
1077 // Only do all the following if this is a node (faster for style)
1078 // IE elem.getAttribute passes even for style
1079 if ( elem.tagName ) {
1081 // These attributes require special treatment
1082 var special = /href|src|style/.test( name );
1084 // Safari mis-reports the default selected property of a hidden option
1085 // Accessing the parent's selectedIndex property fixes it
1086 if ( name == "selected" && jQuery.browser.safari )
1087 elem.parentNode.selectedIndex;
1089 // If applicable, access the attribute via the DOM 0 way
1090 if ( name in elem && notxml && !special ) {
1092 // We can't allow the type property to be changed (since it causes problems in IE)
1093 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1094 throw "type property can't be changed";
1096 elem[ name ] = value;
1099 // browsers index elements by id/name on forms, give priority to attributes.
1100 if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
1101 return elem.getAttributeNode( name ).nodeValue;
1103 return elem[ name ];
1106 if ( msie && notxml && name == "style" )
1107 return jQuery.attr( elem.style, "cssText", value );
1110 // convert the value to a string (all browsers do this but IE) see #1070
1111 elem.setAttribute( name, "" + value );
1113 var attr = msie && notxml && special
1114 // Some attributes require a special call on IE
1115 ? elem.getAttribute( name, 2 )
1116 : elem.getAttribute( name );
1118 // Non-existent attributes return null, we normalize to undefined
1119 return attr === null ? undefined : attr;
1122 // elem is actually elem.style ... set the style
1124 // IE uses filters for opacity
1125 if ( msie && name == "opacity" ) {
1127 // IE has trouble with opacity if it does not have layout
1128 // Force it by setting the zoom level
1131 // Set the alpha filter to set the opacity
1132 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1133 (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1136 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1137 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
1141 name = name.replace(/-([a-z])/ig, function(all, letter){
1142 return letter.toUpperCase();
1146 elem[ name ] = value;
1148 return elem[ name ];
1151 trim: function( text ) {
1152 return (text || "").replace( /^\s+|\s+$/g, "" );
1155 makeArray: function( array ) {
1158 if( array != null ){
1159 var i = array.length;
1160 // The window, strings (and functions) also have 'length'
1161 if( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval )
1165 ret[--i] = array[i];
1171 inArray: function( elem, array ) {
1172 for ( var i = 0, length = array.length; i < length; i++ )
1173 // Use === because on IE, window == document
1174 if ( array[ i ] === elem )
1180 merge: function( first, second ) {
1181 // We have to loop this way because IE & Opera overwrite the length
1182 // expando of getElementsByTagName
1183 var i = 0, elem, pos = first.length;
1184 // Also, we need to make sure that the correct elements are being returned
1185 // (IE returns comment nodes in a '*' query)
1186 if ( jQuery.browser.msie ) {
1187 while ( (elem = second[ i++ ]) )
1188 if ( elem.nodeType != 8 )
1189 first[ pos++ ] = elem;
1192 while ( (elem = second[ i++ ]) )
1193 first[ pos++ ] = elem;
1198 unique: function( array ) {
1199 var ret = [], done = {};
1203 for ( var i = 0, length = array.length; i < length; i++ ) {
1204 var id = jQuery.data( array[ i ] );
1206 if ( !done[ id ] ) {
1208 ret.push( array[ i ] );
1219 grep: function( elems, callback, inv ) {
1222 // Go through the array, only saving the items
1223 // that pass the validator function
1224 for ( var i = 0, length = elems.length; i < length; i++ )
1225 if ( !inv != !callback( elems[ i ], i ) )
1226 ret.push( elems[ i ] );
1231 map: function( elems, callback ) {
1234 // Go through the array, translating each of the items to their
1235 // new value (or values).
1236 for ( var i = 0, length = elems.length; i < length; i++ ) {
1237 var value = callback( elems[ i ], i );
1239 if ( value != null )
1240 ret[ ret.length ] = value;
1243 return ret.concat.apply( [], ret );
1247 var userAgent = navigator.userAgent.toLowerCase();
1249 // Figure out what browser is being used
1251 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
1252 safari: /webkit/.test( userAgent ),
1253 opera: /opera/.test( userAgent ),
1254 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1255 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1258 var styleFloat = jQuery.browser.msie ?
1263 // Check to see if the W3C box model is being used
1264 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1268 "class": "className",
1269 "float": styleFloat,
1270 cssFloat: styleFloat,
1271 styleFloat: styleFloat,
1272 readonly: "readOnly",
1273 maxlength: "maxLength",
1274 cellspacing: "cellSpacing",
1280 parent: function(elem){return elem.parentNode;},
1281 parents: function(elem){return jQuery.dir(elem,"parentNode");},
1282 next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
1283 prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
1284 nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
1285 prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
1286 siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
1287 children: function(elem){return jQuery.sibling(elem.firstChild);},
1288 contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
1289 }, function(name, fn){
1290 jQuery.fn[ name ] = function( selector ) {
1291 var ret = jQuery.map( this, fn );
1293 if ( selector && typeof selector == "string" )
1294 ret = jQuery.multiFilter( selector, ret );
1296 return this.pushStack( jQuery.unique( ret ), name, selector );
1302 prependTo: "prepend",
1303 insertBefore: "before",
1304 insertAfter: "after",
1305 replaceAll: "replaceWith"
1306 }, function(name, original){
1307 jQuery.fn[ name ] = function() {
1308 var args = arguments;
1310 return this.each(function(){
1311 for ( var i = 0, length = args.length; i < length; i++ )
1312 jQuery( args[ i ] )[ original ]( this );
1318 removeAttr: function( name ) {
1319 jQuery.attr( this, name, "" );
1320 if (this.nodeType == 1)
1321 this.removeAttribute( name );
1324 addClass: function( classNames ) {
1325 jQuery.className.add( this, classNames );
1328 removeClass: function( classNames ) {
1329 jQuery.className.remove( this, classNames );
1332 toggleClass: function( classNames ) {
1333 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1336 remove: function( selector ) {
1337 if ( !selector || jQuery.filter( selector, [ this ] ).length ) {
1338 // Prevent memory leaks
1339 jQuery( "*", this ).add([this]).each(function(){
1340 jQuery.event.remove(this);
1341 jQuery.removeData(this);
1343 if (this.parentNode)
1344 this.parentNode.removeChild( this );
1349 // Remove element nodes and prevent memory leaks
1350 jQuery( ">*", this ).remove();
1352 // Remove any remaining nodes
1353 while ( this.firstChild )
1354 this.removeChild( this.firstChild );
1356 }, function(name, fn){
1357 jQuery.fn[ name ] = function(){
1358 return this.each( fn, arguments );
1362 jQuery.each([ "Height", "Width" ], function(i, name){
1363 var type = name.toLowerCase();
1365 jQuery.fn[ type ] = function( size ) {
1366 // Get window width or height
1367 return this[0] == window ?
1368 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1369 jQuery.browser.opera && document.body.parentNode[ "client" + name ] ||
1371 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1372 jQuery.browser.safari && window[ "inner" + name ] ||
1374 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1375 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1377 // Get document width or height
1378 this[0] == document ?
1379 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
1381 Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
1382 Math.max(document.body["offset" + name], document.documentElement["offset" + name])
1385 // Get or set width or height on the element
1386 size === undefined ?
1387 // Get width or height on the element
1388 (this.length ? jQuery.css( this[0], type ) : null) :
1390 // Set the width or height on the element (default to pixels if value is unitless)
1391 this.css( type, typeof size === "string" ? size : size + "px" );
1395 // Helper function used by the dimensions and offset modules
1396 function num(elem, prop) {
1397 return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;