2 * jQuery @VERSION - New Wave Javascript
4 * Copyright (c) 2007 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
14 var _jQuery = window.jQuery;
16 var jQuery = window.jQuery = function( selector, context ) {
17 // The jQuery object is actually just the init constructor 'enhanced'
18 return new jQuery.prototype.init( selector, context );
21 // Map over the $ in case of overwrite
25 // Map the jQuery namespace to the '$' one
28 // A simple way to check for HTML strings or ID strings
29 // (both of which we optimize for)
30 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;
32 // Is it a simple selector
33 var isSimple = /^.[^:#\[\.]*$/;
35 jQuery.fn = jQuery.prototype = {
36 init: function( selector, context ) {
37 // Make sure that a selection was provided
38 selector = selector || document;
40 // Handle $(DOMElement)
41 if ( selector.nodeType ) {
46 // Handle HTML strings
47 } else if ( typeof selector == "string" ) {
48 // Are we dealing with HTML string or an ID?
49 var match = quickExpr.exec( selector );
51 // Verify a match, and that no context was specified for #id
52 if ( match && (match[1] || !context) ) {
54 // HANDLE: $(html) -> $(array)
56 selector = jQuery.clean( [ match[1] ], context );
60 var elem = document.getElementById( match[3] );
62 // Make sure an element was located
64 // Handle the case where IE and Opera return items
65 // by name instead of ID
66 if ( elem.id != match[3] )
67 return jQuery().find( selector );
69 // Otherwise, we inject the element directly into the jQuery object
80 // HANDLE: $(expr, [context])
81 // (which is just equivalent to: $(content).find(expr)
83 return new jQuery( context ).find( selector );
85 // HANDLE: $(function)
86 // Shortcut for document ready
87 } else if ( jQuery.isFunction( selector ) )
88 return new jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
92 selector.constructor == Array && selector ||
94 // HANDLE: $(arraylike)
95 // Watch for when an array-like object, contains DOM nodes, is passed in as the selector
96 (selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray( selector ) ||
102 // The current version of jQuery being used
105 // The number of elements contained in the matched element set
110 // The number of elements contained in the matched element set
113 // Get the Nth element in the matched element set OR
114 // Get the whole matched element set as a clean array
115 get: function( num ) {
116 return num == undefined ?
118 // Return a 'clean' array
119 jQuery.makeArray( this ) :
121 // Return just the object
125 // Take an array of elements and push it onto the stack
126 // (returning the new matched element set)
127 pushStack: function( elems ) {
128 // Build a new jQuery matched element set
129 var ret = jQuery( elems );
131 // Add the old object onto the stack (as a reference)
132 ret.prevObject = this;
134 // Return the newly-formed element set
138 // Force the current matched set of elements to become
139 // the specified array of elements (destroying the stack in the process)
140 // You should use pushStack() in order to do this, but maintain the stack
141 setArray: function( elems ) {
142 // Resetting the length to 0, then using the native Array push
143 // is a super-fast way to populate an object with array-like properties
145 Array.prototype.push.apply( this, elems );
150 // Execute a callback for every element in the matched set.
151 // (You can seed the arguments with an array of args, but this is
152 // only used internally.)
153 each: function( callback, args ) {
154 return jQuery.each( this, callback, args );
157 // Determine the position of an element within
158 // the matched set of elements
159 index: function( elem ) {
162 // Locate the position of the desired element
163 this.each(function(i){
171 attr: function( name, value, type ) {
174 // Look for the case where we're accessing a style value
175 if ( name.constructor == String )
176 if ( value == undefined )
177 return this.length && jQuery[ type || "attr" ]( this[0], name ) || undefined;
181 options[ name ] = value;
184 // Check to see if we're setting style values
185 return this.each(function(i){
186 // Set all the styles
187 for ( name in options )
192 name, jQuery.prop( this, options[ name ], type, i, name )
197 css: function( key, value ) {
198 // ignore negative width and height values
199 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
201 return this.attr( key, value, "curCSS" );
204 text: function( text ) {
205 if ( typeof text != "object" && text != null )
206 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
210 jQuery.each( text || this, function(){
211 jQuery.each( this.childNodes, function(){
212 if ( this.nodeType != 8 )
213 ret += this.nodeType != 1 ?
215 jQuery.fn.text( [ this ] );
222 wrapAll: function( html ) {
224 // The elements to wrap the target around
225 jQuery( html, this[0].ownerDocument )
227 .insertBefore( this[0] )
231 while ( elem.firstChild )
232 elem = elem.firstChild;
241 wrapInner: function( html ) {
242 return this.each(function(){
243 jQuery( this ).contents().wrapAll( html );
247 wrap: function( html ) {
248 return this.each(function(){
249 jQuery( this ).wrapAll( html );
254 return this.domManip(arguments, true, false, function(elem){
255 if (this.nodeType == 1)
256 this.appendChild( elem );
260 prepend: function() {
261 return this.domManip(arguments, true, true, function(elem){
262 if (this.nodeType == 1)
263 this.insertBefore( elem, this.firstChild );
268 return this.domManip(arguments, false, false, function(elem){
269 this.parentNode.insertBefore( elem, this );
274 return this.domManip(arguments, false, true, function(elem){
275 this.parentNode.insertBefore( elem, this.nextSibling );
280 return this.prevObject || jQuery( [] );
283 find: function( selector ) {
284 var elems = jQuery.map(this, function(elem){
285 return jQuery.find( selector, elem );
288 return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ?
289 jQuery.unique( elems ) :
293 clone: function( events ) {
295 var ret = this.map(function(){
296 if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
297 // IE copies events bound via attachEvent when
298 // using cloneNode. Calling detachEvent on the
299 // clone will also remove the events from the orignal
300 // In order to get around this, we use innerHTML.
301 // Unfortunately, this means some modifications to
302 // attributes in IE that are actually only stored
303 // as properties will not be copied (such as the
304 // the name attribute on an input).
305 var clone = this.cloneNode(true),
306 container = document.createElement("div"),
307 container2 = document.createElement("div");
308 container.appendChild(clone);
309 container2.innerHTML = container.innerHTML;
310 return container2.firstChild;
312 return this.cloneNode(true);
315 // Need to set the expando to null on the cloned set if it exists
316 // removeData doesn't work here, IE removes it from the original as well
317 // this is primarily for IE but the data expando shouldn't be copied over in any browser
318 var clone = ret.find("*").andSelf().each(function(){
319 if ( this[ expando ] != undefined )
320 this[ expando ] = null;
323 // Copy the events from the original to the clone
324 if ( events === true )
325 this.find("*").andSelf().each(function(i){
326 var events = jQuery.data( this, "events" );
328 for ( var type in events )
329 for ( var handler in events[ type ] )
330 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
333 // Return the cloned set
337 filter: function( selector ) {
338 return this.pushStack(
339 jQuery.isFunction( selector ) &&
340 jQuery.grep(this, function(elem, i){
341 return selector.call( elem, i );
344 jQuery.multiFilter( selector, this ) );
347 not: function( selector ) {
348 if ( selector.constructor == String )
349 // test special case where just one selector is passed in
350 if ( isSimple.test( selector ) )
351 return this.pushStack( jQuery.multiFilter( selector, this, true ) );
353 selector = jQuery.multiFilter( selector, this );
355 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
356 return this.filter(function() {
357 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
361 add: function( selector ) {
362 return !selector ? this : this.pushStack( jQuery.merge(
364 selector.constructor == String ?
365 jQuery( selector ).get() :
366 selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
367 selector : [selector] ) );
370 is: function( selector ) {
372 jQuery.multiFilter( selector, this ).length > 0 :
376 hasClass: function( selector ) {
377 return this.is( "." + selector );
380 val: function( value ) {
381 if ( value == undefined ) {
386 // We need to handle select boxes special
387 if ( jQuery.nodeName( elem, "select" ) ) {
388 var index = elem.selectedIndex,
390 options = elem.options,
391 one = elem.type == "select-one";
393 // Nothing was selected
397 // Loop through all the selected options
398 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
399 var option = options[ i ];
401 if ( option.selected ) {
402 // Get the specifc value for the option
403 value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
405 // We don't need an array for one selects
409 // Multi-Selects return an array
410 values.push( value );
416 // Everything else, we just grab the value
418 return (this[0].value || "").replace(/\r/g, "");
424 return this.each(function(){
425 if ( this.nodeType != 1 )
428 if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
429 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
430 jQuery.inArray(this.name, value) >= 0);
432 else if ( jQuery.nodeName( this, "select" ) ) {
433 var values = value.constructor == Array ?
437 jQuery( "option", this ).each(function(){
438 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
439 jQuery.inArray( this.text, values ) >= 0);
442 if ( !values.length )
443 this.selectedIndex = -1;
450 html: function( value ) {
451 return value == undefined ?
455 this.empty().append( value );
458 replaceWith: function( value ) {
459 return this.after( value ).remove();
463 return this.slice( i, i + 1 );
467 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
470 map: function( callback ) {
471 return this.pushStack( jQuery.map(this, function(elem, i){
472 return callback.call( elem, i, elem );
476 andSelf: function() {
477 return this.add( this.prevObject );
480 domManip: function( args, table, reverse, callback ) {
481 var clone = this.length > 1, elems;
483 return this.each(function(){
485 elems = jQuery.clean( args, this.ownerDocument );
493 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
494 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
496 var scripts = jQuery( [] );
498 jQuery.each(elems, function(){
500 this.cloneNode( true ) :
503 // execute all scripts after the elements have been injected
504 if ( jQuery.nodeName( elem, "script" ) ) {
505 scripts = scripts.add( elem );
507 // Remove any inner scripts for later evaluation
508 if ( elem.nodeType == 1 )
509 scripts = scripts.add( jQuery( "script", elem ).remove() );
511 // Inject the elements into the document
512 callback.call( obj, elem );
516 scripts.each( evalScript );
521 // Give the init function the jQuery prototype for later instantiation
522 jQuery.prototype.init.prototype = jQuery.prototype;
524 function evalScript( i, elem ) {
533 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
535 if ( elem.parentNode )
536 elem.parentNode.removeChild( elem );
539 jQuery.extend = jQuery.fn.extend = function() {
540 // copy reference to target object
541 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
543 // Handle a deep copy situation
544 if ( target.constructor == Boolean ) {
546 target = arguments[1] || {};
547 // skip the boolean and the target
551 // Handle case when target is a string or something (possible in deep copy)
552 if ( typeof target != "object" && typeof target != "function" )
555 // extend jQuery itself if only one argument is passed
561 for ( ; i < length; i++ )
562 // Only deal with non-null/undefined values
563 if ( (options = arguments[ i ]) != null )
564 // Extend the base object
565 for ( var name in options ) {
566 // Prevent never-ending loop
567 if ( target === options[ name ] )
570 // Recurse if we're merging object values
571 if ( deep && options[ name ] && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType )
572 target[ name ] = jQuery.extend( target[ name ], options[ name ] );
574 // Don't bring in undefined values
575 else if ( options[ name ] != undefined )
576 target[ name ] = options[ name ];
580 // Return the modified object
584 var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};
586 // exclude the following css properties to add px
587 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
590 noConflict: function( deep ) {
594 window.jQuery = _jQuery;
599 // This may seem like some crazy code, but trust me when I say that this
600 // is the only cross-browser way to do this. --John
601 isFunction: function( fn ) {
602 return !!fn && typeof fn != "string" && !fn.nodeName &&
603 fn.constructor != Array && /function/i.test( fn + "" );
606 // check if an element is in a (or is an) XML document
607 isXMLDoc: function( elem ) {
608 return elem.documentElement && !elem.body ||
609 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
612 // Evalulates a script in a global context
613 globalEval: function( data ) {
614 data = jQuery.trim( data );
617 // Inspired by code by Andrea Giammarchi
618 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
619 var head = document.getElementsByTagName("head")[0] || document.documentElement,
620 script = document.createElement("script");
622 script.type = "text/javascript";
623 if ( jQuery.browser.msie )
626 script.appendChild( document.createTextNode( data ) );
628 head.appendChild( script );
629 head.removeChild( script );
633 nodeName: function( elem, name ) {
634 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
639 data: function( elem, name, data ) {
640 elem = elem == window ?
644 var id = elem[ expando ];
646 // Compute a unique ID for the element
648 id = elem[ expando ] = ++uuid;
650 // Only generate the data cache if we're
651 // trying to access or manipulate it
652 if ( name && !jQuery.cache[ id ] )
653 jQuery.cache[ id ] = {};
655 // Prevent overriding the named cache with undefined values
656 if ( data != undefined )
657 jQuery.cache[ id ][ name ] = data;
659 // Return the named cache data, or the ID for the element
661 jQuery.cache[ id ][ name ] :
665 removeData: function( elem, name ) {
666 elem = elem == window ?
670 var id = elem[ expando ];
672 // If we want to remove a specific section of the element's data
674 if ( jQuery.cache[ id ] ) {
675 // Remove the section of cache data
676 delete jQuery.cache[ id ][ name ];
678 // If we've removed all the data, remove the element's cache
681 for ( name in jQuery.cache[ id ] )
685 jQuery.removeData( elem );
688 // Otherwise, we want to remove all of the element's data
690 // Clean up the element expando
692 delete elem[ expando ];
694 // IE has trouble directly removing the expando
695 // but it's ok with using removeAttribute
696 if ( elem.removeAttribute )
697 elem.removeAttribute( expando );
700 // Completely remove the data cache
701 delete jQuery.cache[ id ];
705 // args is for internal usage only
706 each: function( object, callback, args ) {
708 if ( object.length == undefined )
709 for ( var name in object )
710 callback.apply( object[ name ], args );
712 for ( var i = 0, length = object.length; i < length; i++ )
713 if ( callback.apply( object[ i ], args ) === false )
716 // A special, fast, case for the most common use of each
718 if ( object.length == undefined )
719 for ( var name in object )
720 callback.call( object[ name ], name, object[ name ] );
722 for ( var i = 0, length = object.length, value = object[0];
723 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
729 prop: function( elem, value, type, i, name ) {
730 // Handle executable functions
731 if ( jQuery.isFunction( value ) )
732 value = value.call( elem, i );
734 // Handle passing in a number to a CSS property
735 return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
741 // internal only, use addClass("class")
742 add: function( elem, classNames ) {
743 jQuery.each((classNames || "").split(/\s+/), function(i, className){
744 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
745 elem.className += (elem.className ? " " : "") + className;
749 // internal only, use removeClass("class")
750 remove: function( elem, classNames ) {
751 if (elem.nodeType == 1)
752 elem.className = classNames != undefined ?
753 jQuery.grep(elem.className.split(/\s+/), function(className){
754 return !jQuery.className.has( classNames, className );
759 // internal only, use is(".class")
760 has: function( elem, className ) {
761 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
765 // A method for quickly swapping in/out CSS properties to get correct calculations
766 swap: function( elem, options, callback ) {
767 // Remember the old values, and insert the new ones
768 for ( var name in options ) {
769 elem.style[ "old" + name ] = elem.style[ name ];
770 elem.style[ name ] = options[ name ];
773 callback.call( elem );
775 // Revert the old values
776 for ( var name in options )
777 elem.style[ name ] = elem.style[ "old" + name ];
780 css: function( elem, name, force ) {
781 if ( name == "width" || name == "height" ) {
782 var width, height, props = { position: "absolute", visibility: "hidden", display:"block" };
785 width = elem.clientWidth;
786 height = elem.clientHeight;
789 if ( jQuery(elem).is(":visible") )
792 jQuery.swap( elem, props, getWH );
794 return name == "width" ? width : height;
797 return jQuery.curCSS( elem, name, force );
800 curCSS: function( elem, name, force ) {
803 // A helper method for determining if an element's values are broken
804 function color( elem ) {
805 if ( !jQuery.browser.safari )
808 var ret = document.defaultView.getComputedStyle( elem, null );
809 return !ret || ret.getPropertyValue("color") == "";
812 // We need to handle opacity special in IE
813 if ( name == "opacity" && jQuery.browser.msie ) {
814 ret = jQuery.attr( elem.style, "opacity" );
820 // Opera sometimes will give the wrong display answer, this fixes it, see #2037
821 if ( jQuery.browser.opera && name == "display" ) {
822 var save = elem.style.display;
823 elem.style.display = "block";
824 elem.style.display = save;
827 // Make sure we're using the right name for getting the float value
828 if ( name.match( /float/i ) )
831 if ( !force && elem.style[ name ] )
832 ret = elem.style[ name ];
834 else if ( document.defaultView && document.defaultView.getComputedStyle ) {
836 // Only "float" is needed here
837 if ( name.match( /float/i ) )
840 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
842 var getComputedStyle = document.defaultView.getComputedStyle( elem, null );
844 if ( getComputedStyle && !color( elem ) )
845 ret = getComputedStyle.getPropertyValue( name );
847 // If the element isn't reporting its values properly in Safari
848 // then some display: none elements are involved
850 var swap = [], stack = [];
852 // Locate all of the parent display: none elements
853 for ( var a = elem; a && color(a); a = a.parentNode )
856 // Go through and make them visible, but in reverse
857 // (It would be better if we knew the exact display type that they had)
858 for ( var i = 0; i < stack.length; i++ )
859 if ( color( stack[ i ] ) ) {
860 swap[ i ] = stack[ i ].style.display;
861 stack[ i ].style.display = "block";
864 // Since we flip the display style, we have to handle that
865 // one special, otherwise get the value
866 ret = name == "display" && swap[ stack.length - 1 ] != null ?
868 ( getComputedStyle && getComputedStyle.getPropertyValue( name ) ) || "";
870 // Finally, revert the display styles back
871 for ( var i = 0; i < swap.length; i++ )
872 if ( swap[ i ] != null )
873 stack[ i ].style.display = swap[ i ];
876 // We should always get a number back from opacity
877 if ( name == "opacity" && ret == "" )
880 } else if ( elem.currentStyle ) {
881 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
882 return letter.toUpperCase();
885 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
887 // From the awesome hack by Dean Edwards
888 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
890 // If we're not dealing with a regular pixel number
891 // but a number that has a weird ending, we need to convert it to pixels
892 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
893 // Remember the original values
894 var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;
896 // Put in the new values to get a computed value out
897 elem.runtimeStyle.left = elem.currentStyle.left;
898 elem.style.left = ret || 0;
899 ret = elem.style.pixelLeft + "px";
901 // Revert the changed values
902 elem.style.left = style;
903 elem.runtimeStyle.left = runtimeStyle;
910 clean: function( elems, context ) {
912 context = context || document;
913 // !context.createElement fails in IE with an error but returns typeof 'object'
914 if (typeof context.createElement == 'undefined')
915 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
917 jQuery.each(elems, function(i, elem){
921 if ( elem.constructor == Number )
922 elem = elem.toString();
924 // Convert html string into DOM nodes
925 if ( typeof elem == "string" ) {
926 // Fix "XHTML"-style tags in all browsers
927 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
928 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i) ?
930 front + "></" + tag + ">";
933 // Trim whitespace, otherwise indexOf won't work as expected
934 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
937 // option or optgroup
938 !tags.indexOf("<opt") &&
939 [ 1, "<select multiple='multiple'>", "</select>" ] ||
941 !tags.indexOf("<leg") &&
942 [ 1, "<fieldset>", "</fieldset>" ] ||
944 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
945 [ 1, "<table>", "</table>" ] ||
947 !tags.indexOf("<tr") &&
948 [ 2, "<table><tbody>", "</tbody></table>" ] ||
950 // <thead> matched above
951 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
952 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
954 !tags.indexOf("<col") &&
955 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
957 // IE can't serialize <link> and <script> tags normally
958 jQuery.browser.msie &&
959 [ 1, "div<div>", "</div>" ] ||
963 // Go to html and back, then peel off extra wrappers
964 div.innerHTML = wrap[1] + elem + wrap[2];
966 // Move to the right depth
970 // Remove IE's autoinserted <tbody> from table fragments
971 if ( jQuery.browser.msie ) {
973 // String was a <table>, *may* have spurious <tbody>
974 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
975 div.firstChild && div.firstChild.childNodes :
977 // String was a bare <thead> or <tfoot>
978 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
982 for ( var j = tbody.length - 1; j >= 0 ; --j )
983 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
984 tbody[ j ].parentNode.removeChild( tbody[ j ] );
986 // IE completely kills leading whitespace when innerHTML is used
987 if ( /^\s/.test( elem ) )
988 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
992 elem = jQuery.makeArray( div.childNodes );
995 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
998 if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
1002 ret = jQuery.merge( ret, elem );
1009 attr: function( elem, name, value ) {
1010 // don't set attributes on text and comment nodes
1011 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
1014 var fix = jQuery.isXMLDoc( elem ) ?
1018 // Safari mis-reports the default selected property of a hidden option
1019 // Accessing the parent's selectedIndex property fixes it
1020 if ( name == "selected" && jQuery.browser.safari )
1021 elem.parentNode.selectedIndex;
1023 // Certain attributes only work when accessed via the old DOM 0 way
1024 if ( fix[ name ] ) {
1025 if ( value != undefined )
1026 elem[ fix[ name ] ] = value;
1028 return elem[ fix[ name ] ];
1030 } else if ( jQuery.browser.msie && name == "style" )
1031 return jQuery.attr( elem.style, "cssText", value );
1033 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
1034 return elem.getAttributeNode( name ).nodeValue;
1036 // IE elem.getAttribute passes even for style
1037 else if ( elem.tagName ) {
1039 if ( value != undefined ) {
1040 // We can't allow the type property to be changed (since it causes problems in IE)
1041 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1042 throw "type property can't be changed";
1044 // convert the value to a string (all browsers do this but IE) see #1070
1045 elem.setAttribute( name, "" + value );
1048 if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) )
1049 return elem.getAttribute( name, 2 );
1051 return elem.getAttribute( name );
1053 // elem is actually elem.style ... set the style
1055 // IE actually uses filters for opacity
1056 if ( name == "opacity" && jQuery.browser.msie ) {
1057 if ( value != undefined ) {
1058 // IE has trouble with opacity if it does not have layout
1059 // Force it by setting the zoom level
1062 // Set the alpha filter to set the opacity
1063 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1064 (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1067 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1068 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
1072 name = name.replace(/-([a-z])/ig, function(all, letter){
1073 return letter.toUpperCase();
1076 if ( value != undefined )
1077 elem[ name ] = value;
1079 return elem[ name ];
1083 trim: function( text ) {
1084 return (text || "").replace( /^\s+|\s+$/g, "" );
1087 makeArray: function( array ) {
1090 // Need to use typeof to fight Safari childNodes crashes
1091 if ( typeof array != "array" )
1092 for ( var i = 0, length = array.length; i < length; i++ )
1093 ret.push( array[ i ] );
1095 ret = array.slice( 0 );
1100 inArray: function( elem, array ) {
1101 for ( var i = 0, length = array.length; i < length; i++ )
1102 if ( array[ i ] == elem )
1108 merge: function( first, second ) {
1109 // We have to loop this way because IE & Opera overwrite the length
1110 // expando of getElementsByTagName
1112 // Also, we need to make sure that the correct elements are being returned
1113 // (IE returns comment nodes in a '*' query)
1114 if ( jQuery.browser.msie ) {
1115 for ( var i = 0; second[ i ]; i++ )
1116 if ( second[ i ].nodeType != 8 )
1117 first.push( second[ i ] );
1120 for ( var i = 0; second[ i ]; i++ )
1121 first.push( second[ i ] );
1126 unique: function( array ) {
1127 var ret = [], done = {};
1131 for ( var i = 0, length = array.length; i < length; i++ ) {
1132 var id = jQuery.data( array[ i ] );
1134 if ( !done[ id ] ) {
1136 ret.push( array[ i ] );
1147 grep: function( elems, callback, inv ) {
1148 // If a string is passed in for the function, make a function
1149 // for it (a handy shortcut)
1150 if ( typeof callback == "string" )
1151 callback = eval("false||function(a,i){return " + callback + "}");
1155 // Go through the array, only saving the items
1156 // that pass the validator function
1157 for ( var i = 0, length = elems.length; i < length; i++ )
1158 if ( !inv && callback( elems[ i ], i ) || inv && !callback( elems[ i ], i ) )
1159 ret.push( elems[ i ] );
1164 map: function( elems, callback ) {
1167 // Go through the array, translating each of the items to their
1168 // new value (or values).
1169 for ( var i = 0, length = elems.length; i < length; i++ ) {
1170 var value = callback( elems[ i ], i );
1172 if ( value !== null && value != undefined ) {
1173 if ( value.constructor != Array )
1176 ret = ret.concat( value );
1184 var userAgent = navigator.userAgent.toLowerCase();
1186 // Figure out what browser is being used
1188 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
1189 safari: /webkit/.test( userAgent ),
1190 opera: /opera/.test( userAgent ),
1191 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1192 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1195 var styleFloat = jQuery.browser.msie ?
1200 // Check to see if the W3C box model is being used
1201 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1205 "class": "className",
1206 "float": styleFloat,
1207 cssFloat: styleFloat,
1208 styleFloat: styleFloat,
1209 innerHTML: "innerHTML",
1210 className: "className",
1212 disabled: "disabled",
1214 readonly: "readOnly",
1215 selected: "selected",
1216 maxlength: "maxLength",
1217 selectedIndex: "selectedIndex",
1218 defaultValue: "defaultValue",
1220 nodeName: "nodeName"
1225 parent: "elem.parentNode",
1226 parents: "jQuery.dir(elem,'parentNode')",
1227 next: "jQuery.nth(elem,2,'nextSibling')",
1228 prev: "jQuery.nth(elem,2,'previousSibling')",
1229 nextAll: "jQuery.dir(elem,'nextSibling')",
1230 prevAll: "jQuery.dir(elem,'previousSibling')",
1231 siblings: "jQuery.sibling(elem.parentNode.firstChild,elem)",
1232 children: "jQuery.sibling(elem.firstChild)",
1233 contents: "jQuery.nodeName(elem,'iframe')?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes)"
1234 }, function(name, fn){
1235 fn = eval("false||function(elem){return " + fn + "}");
1237 jQuery.fn[ name ] = function( selector ) {
1238 var ret = jQuery.map( this, fn );
1240 if ( selector && typeof selector == "string" )
1241 ret = jQuery.multiFilter( selector, ret );
1243 return this.pushStack( jQuery.unique( ret ) );
1249 prependTo: "prepend",
1250 insertBefore: "before",
1251 insertAfter: "after",
1252 replaceAll: "replaceWith"
1253 }, function(name, original){
1254 jQuery.fn[ name ] = function() {
1255 var args = arguments;
1257 return this.each(function(){
1258 for ( var i = 0, length = args.length; i < length; i++ )
1259 jQuery( args[ i ] )[ original ]( this );
1265 removeAttr: function( name ) {
1266 jQuery.attr( this, name, "" );
1267 if (this.nodeType == 1)
1268 this.removeAttribute( name );
1271 addClass: function( classNames ) {
1272 jQuery.className.add( this, classNames );
1275 removeClass: function( classNames ) {
1276 jQuery.className.remove( this, classNames );
1279 toggleClass: function( classNames ) {
1280 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1283 remove: function( selector ) {
1284 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1285 // Prevent memory leaks
1286 jQuery( "*", this ).add(this).each(function(){
1287 jQuery.event.remove(this);
1288 jQuery.removeData(this);
1290 if (this.parentNode)
1291 this.parentNode.removeChild( this );
1296 // Remove element nodes and prevent memory leaks
1297 jQuery( ">*", this ).remove();
1299 // Remove any remaining nodes
1300 while ( this.firstChild )
1301 this.removeChild( this.firstChild );
1303 }, function(name, fn){
1304 jQuery.fn[ name ] = function(){
1305 return this.each( fn, arguments );
1309 jQuery.each([ "Height", "Width" ], function(i, name){
1310 var type = name.toLowerCase();
1312 jQuery.fn[ type ] = function( size ) {
1313 // Get window width or height
1314 return this[0] == window ?
1315 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1316 jQuery.browser.opera && document.body[ "client" + name ] ||
1318 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1319 jQuery.browser.safari && window[ "inner" + name ] ||
1321 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1322 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1324 // Get document width or height
1325 this[0] == document ?
1326 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
1328 Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
1329 Math.max(document.body["offset" + name], document.documentElement["offset" + name])
1332 // Get or set width or height on the element
1334 // Get width or height on the element
1335 (this.length ? jQuery.css( this[0], type ) : null) :
1337 // Set the width or height on the element (default to pixels if value is unitless)
1338 this.css( type, size.constructor == String ? size : size + "px" );