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 // Global undefined variable
13 window.undefined = window.undefined;
16 * Create a new jQuery Object
21 * @param String|Function|Element|Array<Element>|jQuery a selector
22 * @param jQuery|Element|Array<Element> c context
25 var jQuery = function(a,c) {
26 // If the context is global, return a new object
28 return new jQuery(a,c);
30 return this.init(a,c);
33 // Map over the $ in case of overwrite
34 if ( typeof $ != "undefined" )
37 // Map the jQuery namespace to the '$' one
41 * This function accepts a string containing a CSS or
42 * basic XPath selector which is then used to match a set of elements.
44 * The core functionality of jQuery centers around this function.
45 * Everything in jQuery is based upon this, or uses this in some way.
46 * The most basic use of this function is to pass in an expression
47 * (usually consisting of CSS or XPath), which then finds all matching
50 * By default, if no context is specified, $() looks for DOM elements within the context of the
51 * current HTML document. If you do specify a context, such as a DOM
52 * element or jQuery object, the expression will be matched against
53 * the contents of that context.
55 * See [[DOM/Traversing/Selectors]] for the allowed CSS/XPath syntax for expressions.
57 * @example $("div > p")
58 * @desc Finds all p elements that are children of a div element.
59 * @before <p>one</p> <div><p>two</p></div> <p>three</p>
60 * @result [ <p>two</p> ]
62 * @example $("input:radio", document.forms[0])
63 * @desc Searches for all inputs of type radio within the first form in the document
65 * @example $("div", xml.responseXML)
66 * @desc This finds all div elements within the specified XML document.
69 * @param String expr An expression to search with
70 * @param Element|jQuery context (optional) A DOM Element, Document or jQuery to use as context
74 * @see $(Element<Array>)
78 * Create DOM elements on-the-fly from the provided String of raw HTML.
80 * @example $("<div><p>Hello</p></div>").appendTo("body")
81 * @desc Creates a div element (and all of its contents) dynamically,
82 * and appends it to the body element. Internally, an
83 * element is created and its innerHTML property set to the given markup.
84 * It is therefore both quite flexible and limited.
87 * @param String html A string of HTML to create on the fly.
90 * @see appendTo(String)
94 * Wrap jQuery functionality around a single or multiple DOM Element(s).
96 * This function also accepts XML Documents and Window objects
97 * as valid arguments (even though they are not DOM Elements).
99 * @example $(document.body).css( "background", "black" );
100 * @desc Sets the background color of the page to black.
102 * @example $( myForm.elements ).hide()
103 * @desc Hides all the input elements within a form
106 * @param Element|Array<Element> elems DOM element(s) to be encapsulated by a jQuery object.
112 * A shorthand for $(document).ready(), allowing you to bind a function
113 * to be executed when the DOM document has finished loading. This function
114 * behaves just like $(document).ready(), in that it should be used to wrap
115 * other $() operations on your page that depend on the DOM being ready to be
116 * operated on. While this function is, technically, chainable - there really
117 * isn't much use for chaining against it.
119 * You can have as many $(document).ready events on your page as you like.
121 * See ready(Function) for details about the ready event.
123 * @example $(function(){
124 * // Document is ready
126 * @desc Executes the function when the DOM is ready to be used.
128 * @example jQuery(function($) {
129 * // Your code using failsafe $ alias here...
131 * @desc Uses both the shortcut for $(document).ready() and the argument
132 * to write failsafe jQuery code using the $ alias, without relying on the
136 * @param Function fn The function to execute when the DOM is ready.
139 * @see ready(Function)
142 jQuery.fn = jQuery.prototype = {
144 * Initialize a new jQuery object
148 * @param String|Function|Element|Array<Element>|jQuery a selector
149 * @param jQuery|Element|Array<Element> c context
152 init: function(a,c) {
153 // Make sure that a selection was provided
156 // HANDLE: $(function)
157 // Shortcut for document ready
158 if ( jQuery.isFunction(a) )
159 return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a );
161 // Handle HTML strings
162 if ( typeof a == "string" ) {
163 // HANDLE: $(html) -> $(array)
164 var m = /^[^<]*(<(.|\s)+>)[^>]*$/.exec(a);
166 a = jQuery.clean( [ m[1] ] );
170 var r = new jQuery( c ).find( a );
177 return this.setArray(
179 a.constructor == Array && a ||
181 // HANDLE: $(arraylike)
182 // Watch for when an array-like object is passed as the selector
183 (a.jquery || a.length && a != window && !a.nodeType && a[0] != undefined && a[0].nodeType) && jQuery.makeArray( a ) ||
190 * The current version of jQuery.
201 * The number of elements currently matched. The size function will return the same value.
203 * @example $("img").length;
204 * @before <img src="test1.jpg"/> <img src="test2.jpg"/>
214 * Get the number of elements currently matched. This returns the same
215 * number as the 'length' property of the jQuery object.
217 * @example $("img").size();
218 * @before <img src="test1.jpg"/> <img src="test2.jpg"/>
232 * Access all matched DOM elements. This serves as a backwards-compatible
233 * way of accessing all matched elements (other than the jQuery object
234 * itself, which is, in fact, an array of elements).
236 * It is useful if you need to operate on the DOM elements themselves instead of using built-in jQuery functions.
238 * @example $("img").get();
239 * @before <img src="test1.jpg"/> <img src="test2.jpg"/>
240 * @result [ <img src="test1.jpg"/> <img src="test2.jpg"/> ]
241 * @desc Selects all images in the document and returns the DOM Elements as an Array
244 * @type Array<Element>
249 * Access a single matched DOM element at a specified index in the matched set.
250 * This allows you to extract the actual DOM element and operate on it
251 * directly without necessarily using jQuery functionality on it.
253 * @example $("img").get(0);
254 * @before <img src="test1.jpg"/> <img src="test2.jpg"/>
255 * @result <img src="test1.jpg"/>
256 * @desc Selects all images in the document and returns the first one
260 * @param Number num Access the element in the Nth position.
263 get: function( num ) {
264 return num == undefined ?
266 // Return a 'clean' array
267 jQuery.makeArray( this ) :
269 // Return just the object
274 * Set the jQuery object to an array of elements, while maintaining
277 * @example $("img").pushStack([ document.body ]);
278 * @result $("img").pushStack() == [ document.body ]
283 * @param Elements elems An array of elements
286 pushStack: function( a ) {
288 ret.prevObject = this;
293 * Set the jQuery object to an array of elements. This operation is
294 * completely destructive - be sure to use .pushStack() if you wish to maintain
297 * @example $("img").setArray([ document.body ]);
298 * @result $("img").setArray() == [ document.body ]
303 * @param Elements elems An array of elements
306 setArray: function( a ) {
308 [].push.apply( this, a );
313 * Execute a function within the context of every matched element.
314 * This means that every time the passed-in function is executed
315 * (which is once for every element matched) the 'this' keyword
316 * points to the specific DOM element.
318 * Additionally, the function, when executed, is passed a single
319 * argument representing the position of the element in the matched
320 * set (integer, zero-index).
322 * @example $("img").each(function(i){
323 * this.src = "test" + i + ".jpg";
325 * @before <img/><img/>
326 * @result <img src="test0.jpg"/><img src="test1.jpg"/>
327 * @desc Iterates over two images and sets their src property
331 * @param Function fn A function to execute
334 each: function( fn, args ) {
335 return jQuery.each( this, fn, args );
339 * Searches every matched element for the object and returns
340 * the index of the element, if found, starting with zero.
341 * Returns -1 if the object wasn't found.
343 * @example $("*").index( $('#foobar')[0] )
344 * @before <div id="foobar"><b></b><span id="foo"></span></div>
346 * @desc Returns the index for the element with ID foobar
348 * @example $("*").index( $('#foo')[0] )
349 * @before <div id="foobar"><b></b><span id="foo"></span></div>
351 * @desc Returns the index for the element with ID foo within another element
353 * @example $("*").index( $('#bar')[0] )
354 * @before <div id="foobar"><b></b><span id="foo"></span></div>
356 * @desc Returns -1, as there is no element with ID bar
360 * @param Element subject Object to search for
363 index: function( obj ) {
365 this.each(function(i){
366 if ( this == obj ) pos = i;
372 * Access a property on the first matched element.
373 * This method makes it easy to retrieve a property value
374 * from the first matched element.
376 * If the element does not have an attribute with such a
377 * name, undefined is returned.
379 * @example $("img").attr("src");
380 * @before <img src="test.jpg"/>
382 * @desc Returns the src attribute from the first image in the document.
386 * @param String name The name of the property to access.
387 * @cat DOM/Attributes
391 * Set a key/value object as properties to all matched elements.
393 * This serves as the best way to set a large number of properties
394 * on all matched elements.
396 * @example $("img").attr({ src: "test.jpg", alt: "Test Image" });
398 * @result <img src="test.jpg" alt="Test Image"/>
399 * @desc Sets src and alt attributes to all images.
403 * @param Map properties Key/value pairs to set as object properties.
404 * @cat DOM/Attributes
408 * Set a single property to a value, on all matched elements.
410 * Note that you can't set the name property of input elements in IE.
411 * Use $(html) or .append(html) or .html(html) to create elements
412 * on the fly including the name property.
414 * @example $("img").attr("src","test.jpg");
416 * @result <img src="test.jpg"/>
417 * @desc Sets src attribute to all images.
421 * @param String key The name of the property to set.
422 * @param Object value The value to set the property to.
423 * @cat DOM/Attributes
427 * Set a single property to a computed value, on all matched elements.
429 * Instead of supplying a string value as described
430 * [[DOM/Attributes#attr.28_key.2C_value_.29|above]],
431 * a function is provided that computes the value.
433 * @example $("img").attr("title", function() { return this.src });
434 * @before <img src="test.jpg" />
435 * @result <img src="test.jpg" title="test.jpg" />
436 * @desc Sets title attribute from src attribute.
438 * @example $("img").attr("title", function(index) { return this.title + (i + 1); });
439 * @before <img title="pic" /><img title="pic" /><img title="pic" />
440 * @result <img title="pic1" /><img title="pic2" /><img title="pic3" />
441 * @desc Enumerate title attribute.
445 * @param String key The name of the property to set.
446 * @param Function value A function returning the value to set.
447 * Scope: Current element, argument: Index of current element
448 * @cat DOM/Attributes
450 attr: function( key, value, type ) {
453 // Look for the case where we're accessing a style value
454 if ( key.constructor == String )
455 if ( value == undefined )
456 return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined;
462 // Check to see if we're setting style values
463 return this.each(function(index){
464 // Set all the styles
465 for ( var prop in obj )
467 type ? this.style : this,
468 prop, jQuery.prop(this, obj[prop], type, index, prop)
474 * Access a style property on the first matched element.
475 * This method makes it easy to retrieve a style property value
476 * from the first matched element.
478 * @example $("p").css("color");
479 * @before <p style="color:red;">Test Paragraph.</p>
481 * @desc Retrieves the color style of the first paragraph
483 * @example $("p").css("font-weight");
484 * @before <p style="font-weight: bold;">Test Paragraph.</p>
486 * @desc Retrieves the font-weight style of the first paragraph.
490 * @param String name The name of the property to access.
495 * Set a key/value object as style properties to all matched elements.
497 * This serves as the best way to set a large number of style properties
498 * on all matched elements.
500 * @example $("p").css({ color: "red", background: "blue" });
501 * @before <p>Test Paragraph.</p>
502 * @result <p style="color:red; background:blue;">Test Paragraph.</p>
503 * @desc Sets color and background styles to all p elements.
507 * @param Map properties Key/value pairs to set as style properties.
512 * Set a single style property to a value, on all matched elements.
513 * If a number is provided, it is automatically converted into a pixel value.
515 * @example $("p").css("color","red");
516 * @before <p>Test Paragraph.</p>
517 * @result <p style="color:red;">Test Paragraph.</p>
518 * @desc Changes the color of all paragraphs to red
520 * @example $("p").css("left",30);
521 * @before <p>Test Paragraph.</p>
522 * @result <p style="left:30px;">Test Paragraph.</p>
523 * @desc Changes the left of all paragraphs to "30px"
527 * @param String key The name of the property to set.
528 * @param String|Number value The value to set the property to.
531 css: function( key, value ) {
532 return this.attr( key, value, "curCSS" );
536 * Get the text contents of all matched elements. The result is
537 * a string that contains the combined text contents of all matched
538 * elements. This method works on both HTML and XML documents.
540 * @example $("p").text();
541 * @before <p><b>Test</b> Paragraph.</p><p>Paraparagraph</p>
542 * @result Test Paragraph.Paraparagraph
543 * @desc Gets the concatenated text of all paragraphs
547 * @cat DOM/Attributes
551 * Set the text contents of all matched elements.
553 * Similar to html(), but escapes HTML (replace "<" and ">" with their
556 * @example $("p").text("<b>Some</b> new text.");
557 * @before <p>Test Paragraph.</p>
558 * @result <p><b>Some</b> new text.</p>
559 * @desc Sets the text of all paragraphs.
561 * @example $("p").text("<b>Some</b> new text.", true);
562 * @before <p>Test Paragraph.</p>
563 * @result <p>Some new text.</p>
564 * @desc Sets the text of all paragraphs.
568 * @param String val The text value to set the contents of the element to.
569 * @cat DOM/Attributes
572 if ( typeof e == "string" )
573 return this.empty().append( document.createTextNode( e ) );
576 jQuery.each( e || this, function(){
577 jQuery.each( this.childNodes, function(){
578 if ( this.nodeType != 8 )
579 t += this.nodeType != 1 ?
580 this.nodeValue : jQuery.fn.text([ this ]);
587 * Wrap all matched elements with a structure of other elements.
588 * This wrapping process is most useful for injecting additional
589 * stucture into a document, without ruining the original semantic
590 * qualities of a document.
592 * This works by going through the first element
593 * provided (which is generated, on the fly, from the provided HTML)
594 * and finds the deepest ancestor element within its
595 * structure - it is that element that will en-wrap everything else.
597 * This does not work with elements that contain text. Any necessary text
598 * must be added after the wrapping is done.
600 * @example $("p").wrap("<div class='wrap'></div>");
601 * @before <p>Test Paragraph.</p>
602 * @result <div class='wrap'><p>Test Paragraph.</p></div>
606 * @param String html A string of HTML, that will be created on the fly and wrapped around the target.
607 * @cat DOM/Manipulation
611 * Wrap all matched elements with a structure of other elements.
612 * This wrapping process is most useful for injecting additional
613 * stucture into a document, without ruining the original semantic
614 * qualities of a document.
616 * This works by going through the first element
617 * provided and finding the deepest ancestor element within its
618 * structure - it is that element that will en-wrap everything else.
620 * This does not work with elements that contain text. Any necessary text
621 * must be added after the wrapping is done.
623 * @example $("p").wrap( document.getElementById('content') );
624 * @before <p>Test Paragraph.</p><div id="content"></div>
625 * @result <div id="content"><p>Test Paragraph.</p></div>
629 * @param Element elem A DOM element that will be wrapped around the target.
630 * @cat DOM/Manipulation
633 // The elements to wrap the target around
634 var a, args = arguments;
636 // Wrap each of the matched elements individually
637 return this.each(function(){
639 a = jQuery.clean(args, this.ownerDocument);
641 // Clone the structure that we're using to wrap
642 var b = a[0].cloneNode(true);
644 // Insert it before the element to be wrapped
645 this.parentNode.insertBefore( b, this );
647 // Find the deepest point in the wrap structure
648 while ( b.firstChild )
651 // Move the matched element to within the wrap structure
652 b.appendChild( this );
657 * Append content to the inside of every matched element.
659 * This operation is similar to doing an appendChild to all the
660 * specified elements, adding them into the document.
662 * @example $("p").append("<b>Hello</b>");
663 * @before <p>I would like to say: </p>
664 * @result <p>I would like to say: <b>Hello</b></p>
665 * @desc Appends some HTML to all paragraphs.
667 * @example $("p").append( $("#foo")[0] );
668 * @before <p>I would like to say: </p><b id="foo">Hello</b>
669 * @result <p>I would like to say: <b id="foo">Hello</b></p>
670 * @desc Appends an Element to all paragraphs.
672 * @example $("p").append( $("b") );
673 * @before <p>I would like to say: </p><b>Hello</b>
674 * @result <p>I would like to say: <b>Hello</b></p>
675 * @desc Appends a jQuery object (similar to an Array of DOM Elements) to all paragraphs.
679 * @param <Content> content Content to append to the target
680 * @cat DOM/Manipulation
681 * @see prepend(<Content>)
682 * @see before(<Content>)
683 * @see after(<Content>)
686 return this.domManip(arguments, true, 1, function(a){
687 this.appendChild( a );
692 * Prepend content to the inside of every matched element.
694 * This operation is the best way to insert elements
695 * inside, at the beginning, of all matched elements.
697 * @example $("p").prepend("<b>Hello</b>");
698 * @before <p>I would like to say: </p>
699 * @result <p><b>Hello</b>I would like to say: </p>
700 * @desc Prepends some HTML to all paragraphs.
702 * @example $("p").prepend( $("#foo")[0] );
703 * @before <p>I would like to say: </p><b id="foo">Hello</b>
704 * @result <p><b id="foo">Hello</b>I would like to say: </p>
705 * @desc Prepends an Element to all paragraphs.
707 * @example $("p").prepend( $("b") );
708 * @before <p>I would like to say: </p><b>Hello</b>
709 * @result <p><b>Hello</b>I would like to say: </p>
710 * @desc Prepends a jQuery object (similar to an Array of DOM Elements) to all paragraphs.
714 * @param <Content> content Content to prepend to the target.
715 * @cat DOM/Manipulation
716 * @see append(<Content>)
717 * @see before(<Content>)
718 * @see after(<Content>)
720 prepend: function() {
721 return this.domManip(arguments, true, -1, function(a){
722 this.insertBefore( a, this.firstChild );
727 * Insert content before each of the matched elements.
729 * @example $("p").before("<b>Hello</b>");
730 * @before <p>I would like to say: </p>
731 * @result <b>Hello</b><p>I would like to say: </p>
732 * @desc Inserts some HTML before all paragraphs.
734 * @example $("p").before( $("#foo")[0] );
735 * @before <p>I would like to say: </p><b id="foo">Hello</b>
736 * @result <b id="foo">Hello</b><p>I would like to say: </p>
737 * @desc Inserts an Element before all paragraphs.
739 * @example $("p").before( $("b") );
740 * @before <p>I would like to say: </p><b>Hello</b>
741 * @result <b>Hello</b><p>I would like to say: </p>
742 * @desc Inserts a jQuery object (similar to an Array of DOM Elements) before all paragraphs.
746 * @param <Content> content Content to insert before each target.
747 * @cat DOM/Manipulation
748 * @see append(<Content>)
749 * @see prepend(<Content>)
750 * @see after(<Content>)
753 return this.domManip(arguments, false, 1, function(a){
754 this.parentNode.insertBefore( a, this );
759 * Insert content after each of the matched elements.
761 * @example $("p").after("<b>Hello</b>");
762 * @before <p>I would like to say: </p>
763 * @result <p>I would like to say: </p><b>Hello</b>
764 * @desc Inserts some HTML after all paragraphs.
766 * @example $("p").after( $("#foo")[0] );
767 * @before <b id="foo">Hello</b><p>I would like to say: </p>
768 * @result <p>I would like to say: </p><b id="foo">Hello</b>
769 * @desc Inserts an Element after all paragraphs.
771 * @example $("p").after( $("b") );
772 * @before <b>Hello</b><p>I would like to say: </p>
773 * @result <p>I would like to say: </p><b>Hello</b>
774 * @desc Inserts a jQuery object (similar to an Array of DOM Elements) after all paragraphs.
778 * @param <Content> content Content to insert after each target.
779 * @cat DOM/Manipulation
780 * @see append(<Content>)
781 * @see prepend(<Content>)
782 * @see before(<Content>)
785 return this.domManip(arguments, false, -1, function(a){
786 this.parentNode.insertBefore( a, this.nextSibling );
791 * Revert the most recent 'destructive' operation, changing the set of matched elements
792 * to its previous state (right before the destructive operation).
794 * If there was no destructive operation before, an empty set is returned.
796 * A 'destructive' operation is any operation that changes the set of
797 * matched jQuery elements. These functions are: <code>add</code>,
798 * <code>children</code>, <code>clone</code>, <code>filter</code>,
799 * <code>find</code>, <code>not</code>, <code>next</code>,
800 * <code>parent</code>, <code>parents</code>, <code>prev</code> and <code>siblings</code>.
802 * @example $("p").find("span").end();
803 * @before <p><span>Hello</span>, how are you?</p>
804 * @result [ <p>...</p> ]
805 * @desc Selects all paragraphs, finds span elements inside these, and reverts the
806 * selection back to the paragraphs.
810 * @cat DOM/Traversing
813 return this.prevObject || jQuery([]);
817 * Searches for all elements that match the specified expression.
819 * This method is a good way to find additional descendant
820 * elements with which to process.
822 * All searching is done using a jQuery expression. The expression can be
823 * written using CSS 1-3 Selector syntax, or basic XPath.
825 * @example $("p").find("span");
826 * @before <p><span>Hello</span>, how are you?</p>
827 * @result [ <span>Hello</span> ]
828 * @desc Starts with all paragraphs and searches for descendant span
829 * elements, same as $("p span")
833 * @param String expr An expression to search with.
834 * @cat DOM/Traversing
837 return this.pushStack( jQuery.unique( jQuery.map( this, function(a){
838 return jQuery.find(t,a);
843 * Clone matched DOM Elements and select the clones.
845 * This is useful for moving copies of the elements to another
846 * location in the DOM.
848 * @example $("b").clone().prependTo("p");
849 * @before <b>Hello</b><p>, how are you?</p>
850 * @result <b>Hello</b><p><b>Hello</b>, how are you?</p>
851 * @desc Clones all b elements (and selects the clones) and prepends them to all paragraphs.
855 * @param Boolean deep (Optional) Set to false if you don't want to clone all descendant nodes, in addition to the element itself.
856 * @cat DOM/Manipulation
858 clone: function(deep) {
859 return this.pushStack( jQuery.map( this, function(a){
860 a = a.cloneNode( deep != undefined ? deep : true );
861 a.$events = null; // drop $events expando to avoid firing incorrect events
867 * Removes all elements from the set of matched elements that do not
868 * match the specified expression(s). This method is used to narrow down
869 * the results of a search.
871 * Provide a comma-separated list of expressions to apply multiple filters at once.
873 * @example $("p").filter(".selected")
874 * @before <p class="selected">Hello</p><p>How are you?</p>
875 * @result [ <p class="selected">Hello</p> ]
876 * @desc Selects all paragraphs and removes those without a class "selected".
878 * @example $("p").filter(".selected, :first")
879 * @before <p>Hello</p><p>Hello Again</p><p class="selected">And Again</p>
880 * @result [ <p>Hello</p>, <p class="selected">And Again</p> ]
881 * @desc Selects all paragraphs and removes those without class "selected" and being the first one.
885 * @param String expression Expression(s) to search with.
886 * @cat DOM/Traversing
890 * Removes all elements from the set of matched elements that do not
891 * pass the specified filter. This method is used to narrow down
892 * the results of a search.
894 * @example $("p").filter(function(index) {
895 * return $("ol", this).length == 0;
897 * @before <p><ol><li>Hello</li></ol></p><p>How are you?</p>
898 * @result [ <p>How are you?</p> ]
899 * @desc Remove all elements that have a child ol element
903 * @param Function filter A function to use for filtering
904 * @cat DOM/Traversing
906 filter: function(t) {
907 return this.pushStack(
908 jQuery.isFunction( t ) &&
909 jQuery.grep(this, function(el, index){
910 return t.apply(el, [index])
913 jQuery.multiFilter(t,this) );
917 * Removes the specified Element from the set of matched elements. This
918 * method is used to remove a single Element from a jQuery object.
920 * @example $("p").not( $("#selected")[0] )
921 * @before <p>Hello</p><p id="selected">Hello Again</p>
922 * @result [ <p>Hello</p> ]
923 * @desc Removes the element with the ID "selected" from the set of all paragraphs.
927 * @param Element el An element to remove from the set
928 * @cat DOM/Traversing
932 * Removes elements matching the specified expression from the set
933 * of matched elements. This method is used to remove one or more
934 * elements from a jQuery object.
936 * @example $("p").not("#selected")
937 * @before <p>Hello</p><p id="selected">Hello Again</p>
938 * @result [ <p>Hello</p> ]
939 * @desc Removes the element with the ID "selected" from the set of all paragraphs.
943 * @param String expr An expression with which to remove matching elements
944 * @cat DOM/Traversing
948 * Removes any elements inside the array of elements from the set
949 * of matched elements. This method is used to remove one or more
950 * elements from a jQuery object.
952 * Please note: the expression cannot use a reference to the
953 * element name. See the two examples below.
955 * @example $("p").not( $("div p.selected") )
956 * @before <div><p>Hello</p><p class="selected">Hello Again</p></div>
957 * @result [ <p>Hello</p> ]
958 * @desc Removes all elements that match "div p.selected" from the total set of all paragraphs.
962 * @param jQuery elems A set of elements to remove from the jQuery set of matched elements.
963 * @cat DOM/Traversing
966 return this.pushStack(
967 t.constructor == String &&
968 jQuery.multiFilter(t, this, true) ||
970 jQuery.grep(this, function(a) {
971 return ( t.constructor == Array || t.jquery )
972 ? jQuery.inArray( a, t ) < 0
979 * Adds more elements, matched by the given expression,
980 * to the set of matched elements.
982 * @example $("p").add("span")
983 * @before (HTML) <p>Hello</p><span>Hello Again</span>
984 * @result (jQuery object matching 2 elements) [ <p>Hello</p>, <span>Hello Again</span> ]
985 * @desc Compare the above result to the result of <code>$('p')</code>,
986 * which would just result in <code><nowiki>[ <p>Hello</p> ]</nowiki></code>.
987 * Using add(), matched elements of <code>$('span')</code> are simply
988 * added to the returned jQuery-object.
992 * @param String expr An expression whose matched elements are added
993 * @cat DOM/Traversing
997 * Adds more elements, created on the fly, to the set of
1000 * @example $("p").add("<span>Again</span>")
1001 * @before <p>Hello</p>
1002 * @result [ <p>Hello</p>, <span>Again</span> ]
1006 * @param String html A string of HTML to create on the fly.
1007 * @cat DOM/Traversing
1011 * Adds one or more Elements to the set of matched elements.
1013 * @example $("p").add( document.getElementById("a") )
1014 * @before <p>Hello</p><p><span id="a">Hello Again</span></p>
1015 * @result [ <p>Hello</p>, <span id="a">Hello Again</span> ]
1017 * @example $("p").add( document.forms[0].elements )
1018 * @before <p>Hello</p><p><form><input/><button/></form>
1019 * @result [ <p>Hello</p>, <input/>, <button/> ]
1023 * @param Element|Array<Element> elements One or more Elements to add
1024 * @cat DOM/Traversing
1027 return this.pushStack( jQuery.merge(
1029 t.constructor == String ?
1031 t.length != undefined && (!t.nodeName || t.nodeName == "FORM") ?
1037 * Checks the current selection against an expression and returns true,
1038 * if at least one element of the selection fits the given expression.
1040 * Does return false, if no element fits or the expression is not valid.
1042 * filter(String) is used internally, therefore all rules that apply there
1045 * @example $("input[@type='checkbox']").parent().is("form")
1046 * @before <form><input type="checkbox" /></form>
1048 * @desc Returns true, because the parent of the input is a form element
1050 * @example $("input[@type='checkbox']").parent().is("form")
1051 * @before <form><p><input type="checkbox" /></p></form>
1053 * @desc Returns false, because the parent of the input is a p element
1057 * @param String expr The expression with which to filter
1058 * @cat DOM/Traversing
1060 is: function(expr) {
1061 return expr ? jQuery.multiFilter(expr,this).length > 0 : false;
1065 * Get the content of the value attribute of the first matched element.
1067 * Use caution when relying on this function to check the value of
1068 * multiple-select elements and checkboxes in a form. While it will
1069 * still work as intended, it may not accurately represent the value
1070 * the server will receive because these elements may send an array
1071 * of values. For more robust handling of field values, see the
1072 * [http://www.malsup.com/jquery/form/#fields fieldValue function of the Form Plugin].
1074 * @example $("input").val();
1075 * @before <input type="text" value="some text"/>
1076 * @result "some text"
1080 * @cat DOM/Attributes
1084 * Set the value attribute of every matched element.
1086 * @example $("input").val("test");
1087 * @before <input type="text" value="some text"/>
1088 * @result <input type="text" value="test"/>
1092 * @param String val Set the property to the specified value.
1093 * @cat DOM/Attributes
1095 val: function( val ) {
1096 return val == undefined ?
1097 ( this.length ? this[0].value : null ) :
1098 this.attr( "value", val );
1102 * Get the html contents of the first matched element.
1103 * This property is not available on XML documents.
1105 * @example $("div").html();
1106 * @before <div><input/></div>
1111 * @cat DOM/Attributes
1115 * Set the html contents of every matched element.
1116 * This property is not available on XML documents.
1118 * @example $("div").html("<b>new stuff</b>");
1119 * @before <div><input/></div>
1120 * @result <div><b>new stuff</b></div>
1124 * @param String val Set the html contents to the specified value.
1125 * @cat DOM/Attributes
1127 html: function( val ) {
1128 return val == undefined ?
1129 ( this.length ? this[0].innerHTML : null ) :
1130 this.empty().append( val );
1137 * @param Boolean table Insert TBODY in TABLEs if one is not found.
1138 * @param Number dir If dir<0, process args in reverse order.
1139 * @param Function fn The function doing the DOM manipulation.
1143 domManip: function(args, table, dir, fn){
1144 var clone = this.length > 1, a;
1146 return this.each(function(){
1148 a = jQuery.clean(args, this.ownerDocument);
1155 if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
1156 obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));
1158 jQuery.each( a, function(){
1159 fn.apply( obj, [ clone ? this.cloneNode(true) : this ] );
1167 * Extends the jQuery object itself. Can be used to add functions into
1168 * the jQuery namespace and to [[Plugins/Authoring|add plugin methods]] (plugins).
1170 * @example jQuery.fn.extend({
1171 * check: function() {
1172 * return this.each(function() { this.checked = true; });
1174 * uncheck: function() {
1175 * return this.each(function() { this.checked = false; });
1178 * $("input[@type=checkbox]").check();
1179 * $("input[@type=radio]").uncheck();
1180 * @desc Adds two plugin methods.
1182 * @example jQuery.extend({
1183 * min: function(a, b) { return a < b ? a : b; },
1184 * max: function(a, b) { return a > b ? a : b; }
1186 * @desc Adds two functions into the jQuery namespace
1189 * @param Object prop The object that will be merged into the jQuery object
1195 * Extend one object with one or more others, returning the original,
1196 * modified, object. This is a great utility for simple inheritance.
1198 * @example var settings = { validate: false, limit: 5, name: "foo" };
1199 * var options = { validate: true, name: "bar" };
1200 * jQuery.extend(settings, options);
1201 * @result settings == { validate: true, limit: 5, name: "bar" }
1202 * @desc Merge settings and options, modifying settings
1204 * @example var defaults = { validate: false, limit: 5, name: "foo" };
1205 * var options = { validate: true, name: "bar" };
1206 * var settings = jQuery.extend({}, defaults, options);
1207 * @result settings == { validate: true, limit: 5, name: "bar" }
1208 * @desc Merge defaults and options, without modifying the defaults
1211 * @param Object target The object to extend
1212 * @param Object prop1 The object that will be merged into the first.
1213 * @param Object propN (optional) More objects to merge into the first
1217 jQuery.extend = jQuery.fn.extend = function() {
1218 // copy reference to target object
1219 var target = arguments[0], a = 1;
1221 // extend jQuery itself if only one argument is passed
1222 if ( arguments.length == 1 ) {
1227 while ( (prop = arguments[a++]) != null )
1228 // Extend the base object
1229 for ( var i in prop ) target[i] = prop[i];
1231 // Return the modified object
1237 * Run this function to give control of the $ variable back
1238 * to whichever library first implemented it. This helps to make
1239 * sure that jQuery doesn't conflict with the $ object
1240 * of other libraries.
1242 * By using this function, you will only be able to access jQuery
1243 * using the 'jQuery' variable. For example, where you used to do
1244 * $("div p"), you now must do jQuery("div p").
1246 * @example jQuery.noConflict();
1247 * // Do something with jQuery
1248 * jQuery("div p").hide();
1249 * // Do something with another library's $()
1250 * $("content").style.display = 'none';
1251 * @desc Maps the original object that was referenced by $ back to $
1253 * @example jQuery.noConflict();
1256 * // more code using $ as alias to jQuery
1259 * // other code using $ as an alias to the other library
1260 * @desc Reverts the $ alias and then creates and executes a
1261 * function to provide the $ as a jQuery alias inside the functions
1262 * scope. Inside the function the original $ object is not available.
1263 * This works well for most plugins that don't rely on any other library.
1266 * @name $.noConflict
1270 noConflict: function() {
1276 // This may seem like some crazy code, but trust me when I say that this
1277 // is the only cross-browser way to do this. --John
1278 isFunction: function( fn ) {
1279 return !!fn && typeof fn != "string" && !fn.nodeName &&
1280 fn.constructor != Array && /function/i.test( fn + "" );
1283 // check if an element is in a XML document
1284 isXMLDoc: function(elem) {
1285 return elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
1288 nodeName: function( elem, name ) {
1289 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
1293 * A generic iterator function, which can be used to seamlessly
1294 * iterate over both objects and arrays. This function is not the same
1295 * as $().each() - which is used to iterate, exclusively, over a jQuery
1296 * object. This function can be used to iterate over anything.
1298 * The callback has two arguments:the key (objects) or index (arrays) as first
1299 * the first, and the value as the second.
1301 * @example $.each( [0,1,2], function(i, n){
1302 * alert( "Item #" + i + ": " + n );
1304 * @desc This is an example of iterating over the items in an array,
1305 * accessing both the current item and its index.
1307 * @example $.each( { name: "John", lang: "JS" }, function(i, n){
1308 * alert( "Name: " + i + ", Value: " + n );
1311 * @desc This is an example of iterating over the properties in an
1312 * Object, accessing both the current item and its key.
1315 * @param Object obj The object, or array, to iterate over.
1316 * @param Function fn The function that will be executed on every object.
1320 // args is for internal usage only
1321 each: function( obj, fn, args ) {
1322 if ( obj.length == undefined )
1323 for ( var i in obj )
1324 fn.apply( obj[i], args || [i, obj[i]] );
1326 for ( var i = 0, ol = obj.length; i < ol; i++ )
1327 if ( fn.apply( obj[i], args || [i, obj[i]] ) === false ) break;
1331 prop: function(elem, value, type, index, prop){
1332 // Handle executable functions
1333 if ( jQuery.isFunction( value ) )
1334 value = value.call( elem, [index] );
1336 // exclude the following css properties to add px
1337 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
1339 // Handle passing in a number to a CSS property
1340 return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ?
1346 // internal only, use addClass("class")
1347 add: function( elem, c ){
1348 jQuery.each( c.split(/\s+/), function(i, cur){
1349 if ( !jQuery.className.has( elem.className, cur ) )
1350 elem.className += ( elem.className ? " " : "" ) + cur;
1354 // internal only, use removeClass("class")
1355 remove: function( elem, c ){
1356 elem.className = c ?
1357 jQuery.grep( elem.className.split(/\s+/), function(cur){
1358 return !jQuery.className.has( c, cur );
1362 // internal only, use is(".class")
1363 has: function( t, c ) {
1364 return jQuery.inArray( c, (t.className || t).toString().split(/\s+/) ) > -1;
1369 * Swap in/out style options.
1372 swap: function(e,o,f) {
1373 for ( var i in o ) {
1374 e.style["old"+i] = e.style[i];
1379 e.style[i] = e.style["old"+i];
1382 css: function(e,p) {
1383 if ( p == "height" || p == "width" ) {
1384 var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
1386 jQuery.each( d, function(){
1387 old["padding" + this] = 0;
1388 old["border" + this + "Width"] = 0;
1391 jQuery.swap( e, old, function() {
1392 if ( jQuery(e).is(':visible') ) {
1393 oHeight = e.offsetHeight;
1394 oWidth = e.offsetWidth;
1396 e = jQuery(e.cloneNode(true))
1397 .find(":radio").removeAttr("checked").end()
1399 visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0"
1400 }).appendTo(e.parentNode)[0];
1402 var parPos = jQuery.css(e.parentNode,"position") || "static";
1403 if ( parPos == "static" )
1404 e.parentNode.style.position = "relative";
1406 oHeight = e.clientHeight;
1407 oWidth = e.clientWidth;
1409 if ( parPos == "static" )
1410 e.parentNode.style.position = "static";
1412 e.parentNode.removeChild(e);
1416 return p == "height" ? oHeight : oWidth;
1419 return jQuery.curCSS( e, p );
1422 curCSS: function(elem, prop, force) {
1425 if (prop == "opacity" && jQuery.browser.msie) {
1426 ret = jQuery.attr(elem.style, "opacity");
1427 return ret == "" ? "1" : ret;
1430 if (prop == "float" || prop == "cssFloat")
1431 prop = jQuery.browser.msie ? "styleFloat" : "cssFloat";
1433 if (!force && elem.style[prop])
1434 ret = elem.style[prop];
1436 else if (document.defaultView && document.defaultView.getComputedStyle) {
1438 if (prop == "cssFloat" || prop == "styleFloat")
1441 prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
1442 var cur = document.defaultView.getComputedStyle(elem, null);
1445 ret = cur.getPropertyValue(prop);
1446 else if ( prop == "display" )
1449 jQuery.swap(elem, { display: "block" }, function() {
1450 var c = document.defaultView.getComputedStyle(this, "");
1451 ret = c && c.getPropertyValue(prop) || "";
1454 } else if (elem.currentStyle) {
1455 var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();});
1456 ret = elem.currentStyle[prop] || elem.currentStyle[newProp];
1462 clean: function(a, doc) {
1464 doc = doc || document;
1466 jQuery.each( a, function(i,arg){
1469 if ( arg.constructor == Number )
1470 arg = arg.toString();
1472 // Convert html string into DOM nodes
1473 if ( typeof arg == "string" ) {
1474 // Trim whitespace, otherwise indexOf won't work as expected
1475 var s = jQuery.trim(arg).toLowerCase(), div = doc.createElement("div"), tb = [];
1478 // option or optgroup
1479 !s.indexOf("<opt") &&
1480 [1, "<select>", "</select>"] ||
1482 !s.indexOf("<leg") &&
1483 [1, "<fieldset>", "</fieldset>"] ||
1485 (!s.indexOf("<thead") || !s.indexOf("<tbody") || !s.indexOf("<tfoot") || !s.indexOf("<colg")) &&
1486 [1, "<table>", "</table>"] ||
1488 !s.indexOf("<tr") &&
1489 [2, "<table><tbody>", "</tbody></table>"] ||
1491 // <thead> matched above
1492 (!s.indexOf("<td") || !s.indexOf("<th")) &&
1493 [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
1495 !s.indexOf("<col") &&
1496 [2, "<table><colgroup>", "</colgroup></table>"] ||
1500 // Go to html and back, then peel off extra wrappers
1501 div.innerHTML = wrap[1] + arg + wrap[2];
1503 // Move to the right depth
1505 div = div.firstChild;
1507 // Remove IE's autoinserted <tbody> from table fragments
1508 if ( jQuery.browser.msie ) {
1510 // String was a <table>, *may* have spurious <tbody>
1511 if ( !s.indexOf("<table") && s.indexOf("<tbody") < 0 )
1512 tb = div.firstChild && div.firstChild.childNodes;
1514 // String was a bare <thead> or <tfoot>
1515 else if ( wrap[1] == "<table>" && s.indexOf("<tbody") < 0 )
1516 tb = div.childNodes;
1518 for ( var n = tb.length-1; n >= 0 ; --n )
1519 if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length )
1520 tb[n].parentNode.removeChild(tb[n]);
1524 arg = jQuery.makeArray( div.childNodes );
1527 if ( 0 === arg.length && !jQuery(arg).is("form, select") )
1530 if ( arg[0] == undefined || jQuery(arg).is("form, select") )
1533 r = jQuery.merge( r, arg );
1540 attr: function(elem, name, value){
1541 var fix = jQuery.isXMLDoc(elem) ? {} : {
1543 "class": "className",
1544 "float": jQuery.browser.msie ? "styleFloat" : "cssFloat",
1545 cssFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
1546 innerHTML: "innerHTML",
1547 className: "className",
1549 disabled: "disabled",
1551 readonly: "readOnly",
1552 selected: "selected"
1555 // IE actually uses filters for opacity ... elem is actually elem.style
1556 if ( name == "opacity" && jQuery.browser.msie ) {
1557 if ( value != undefined ) {
1558 // IE has trouble with opacity if it does not have layout
1559 // Force it by setting the zoom level
1562 // Set the alpha filter to set the opacity
1563 elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") +
1564 (parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1567 return elem.filter ?
1568 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "";
1571 // Certain attributes only work when accessed via the old DOM 0 way
1573 if ( value != undefined ) elem[fix[name]] = value;
1574 return elem[fix[name]];
1576 } else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") )
1577 return elem.getAttributeNode(name).nodeValue;
1579 // IE elem.getAttribute passes even for style
1580 else if ( elem.tagName ) {
1581 if ( value != undefined ) elem.setAttribute( name, value );
1582 if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) )
1583 return elem.getAttribute( name, 2 );
1584 return elem.getAttribute( name );
1586 // elem is actually elem.style ... set the style
1588 name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
1589 if ( value != undefined ) elem[name] = value;
1595 * Remove the whitespace from the beginning and end of a string.
1597 * @example $.trim(" hello, how are you? ");
1598 * @result "hello, how are you?"
1602 * @param String str The string to trim.
1606 return t.replace(/^\s+|\s+$/g, "");
1609 makeArray: function( a ) {
1612 // Need to use typeof to fight Safari childNodes crashes
1613 if ( typeof a != "array" )
1614 for ( var i = 0, al = a.length; i < al; i++ )
1622 inArray: function( b, a ) {
1623 for ( var i = 0, al = a.length; i < al; i++ )
1630 * Merge two arrays together, removing all duplicates.
1632 * The result is the altered first argument with
1633 * the unique elements from the second array added.
1635 * @example $.merge( [0,1,2], [2,3,4] )
1636 * @result [0,1,2,3,4]
1637 * @desc Merges two arrays, removing the duplicate 2
1639 * @example var array = [3,2,1];
1640 * $.merge( array, [4,3,2] )
1641 * @result array == [3,2,1,4]
1642 * @desc Merges two arrays, removing the duplicates 3 and 2
1646 * @param Array first The first array to merge, the unique elements of second added.
1647 * @param Array second The second array to merge into the first, unaltered.
1650 merge: function(first, second) {
1651 // We have to loop this way because IE & Opera overwrite the length
1652 // expando of getElementsByTagName
1653 for ( var i = 0; second[i]; i++ )
1654 first.push(second[i]);
1658 unique: function(first) {
1659 var r = [], num = jQuery.mergeNum++;
1661 for ( var i = 0, fl = first.length; i < fl; i++ )
1662 if ( num != first[i].mergeNum ) {
1663 first[i].mergeNum = num;
1673 * Filter items out of an array, by using a filter function.
1675 * The specified function will be passed two arguments: The
1676 * current array item and the index of the item in the array. The
1677 * function must return 'true' to keep the item in the array,
1678 * false to remove it.
1680 * @example $.grep( [0,1,2], function(i){
1687 * @param Array array The Array to find items in.
1688 * @param Function fn The function to process each item against.
1689 * @param Boolean inv Invert the selection - select the opposite of the function.
1692 grep: function(elems, fn, inv) {
1693 // If a string is passed in for the function, make a function
1694 // for it (a handy shortcut)
1695 if ( typeof fn == "string" )
1696 fn = new Function("a","i","return " + fn);
1700 // Go through the array, only saving the items
1701 // that pass the validator function
1702 for ( var i = 0, el = elems.length; i < el; i++ )
1703 if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) )
1704 result.push( elems[i] );
1710 * Translate all items in an array to another array of items.
1712 * The translation function that is provided to this method is
1713 * called for each item in the array and is passed one argument:
1714 * The item to be translated.
1716 * The function can then return the translated value, 'null'
1717 * (to remove the item), or an array of values - which will
1718 * be flattened into the full array.
1720 * @example $.map( [0,1,2], function(i){
1724 * @desc Maps the original array to a new one and adds 4 to each value.
1726 * @example $.map( [0,1,2], function(i){
1727 * return i > 0 ? i + 1 : null;
1730 * @desc Maps the original array to a new one and adds 1 to each
1731 * value if it is bigger then zero, otherwise it's removed-
1733 * @example $.map( [0,1,2], function(i){
1734 * return [ i, i + 1 ];
1736 * @result [0, 1, 1, 2, 2, 3]
1737 * @desc Maps the original array to a new one, each element is added
1738 * with it's original value and the value plus one.
1742 * @param Array array The Array to translate.
1743 * @param Function fn The function to process each item against.
1746 map: function(elems, fn) {
1747 // If a string is passed in for the function, make a function
1748 // for it (a handy shortcut)
1749 if ( typeof fn == "string" )
1750 fn = new Function("a","return " + fn);
1752 var result = [], r = [];
1754 // Go through the array, translating each of the items to their
1755 // new value (or values).
1756 for ( var i = 0, el = elems.length; i < el; i++ ) {
1757 var val = fn(elems[i],i);
1759 if ( val !== null && val != undefined ) {
1760 if ( val.constructor != Array ) val = [val];
1761 result = result.concat( val );
1770 * Contains flags for the useragent, read from navigator.userAgent.
1771 * Available flags are: safari, opera, msie, mozilla
1773 * This property is available before the DOM is ready, therefore you can
1774 * use it to add ready events only for certain browsers.
1776 * There are situations where object detections is not reliable enough, in that
1777 * cases it makes sense to use browser detection. Simply try to avoid both!
1779 * A combination of browser and object detection yields quite reliable results.
1781 * @example $.browser.msie
1782 * @desc Returns true if the current useragent is some version of microsoft's internet explorer
1784 * @example if($.browser.safari) { $( function() { alert("this is safari!"); } ); }
1785 * @desc Alerts "this is safari!" only for safari browsers
1794 * Whether the W3C compliant box model is being used.
1802 var b = navigator.userAgent.toLowerCase();
1804 // Figure out what browser is being used
1806 version: b.match(/.+[xiae][\/ ]([\d.]+)/)[1],
1807 safari: /webkit/.test(b),
1808 opera: /opera/.test(b),
1809 msie: /msie/.test(b) && !/opera/.test(b),
1810 mozilla: /mozilla/.test(b) && !/(compatible|webkit)/.test(b)
1813 // Check to see if the W3C box model is being used
1814 jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat";
1818 * Get a set of elements containing the unique parents of the matched
1821 * You may use an optional expression to filter the set of parent elements that will match.
1823 * @example $("p").parent()
1824 * @before <div><p>Hello</p><p>Hello</p></div>
1825 * @result [ <div><p>Hello</p><p>Hello</p></div> ]
1826 * @desc Find the parent element of each paragraph.
1828 * @example $("p").parent(".selected")
1829 * @before <div><p>Hello</p></div><div class="selected"><p>Hello Again</p></div>
1830 * @result [ <div class="selected"><p>Hello Again</p></div> ]
1831 * @desc Find the parent element of each paragraph with a class "selected".
1835 * @param String expr (optional) An expression to filter the parents with
1836 * @cat DOM/Traversing
1840 * Get a set of elements containing the unique ancestors of the matched
1841 * set of elements (except for the root element).
1843 * The matched elements can be filtered with an optional expression.
1845 * @example $("span").parents()
1846 * @before <html><body><div><p><span>Hello</span></p><span>Hello Again</span></div></body></html>
1847 * @result [ <body>...</body>, <div>...</div>, <p><span>Hello</span></p> ]
1848 * @desc Find all parent elements of each span.
1850 * @example $("span").parents("p")
1851 * @before <html><body><div><p><span>Hello</span></p><span>Hello Again</span></div></body></html>
1852 * @result [ <p><span>Hello</span></p> ]
1853 * @desc Find all parent elements of each span that is a paragraph.
1857 * @param String expr (optional) An expression to filter the ancestors with
1858 * @cat DOM/Traversing
1862 * Get a set of elements containing the unique next siblings of each of the
1863 * matched set of elements.
1865 * It only returns the very next sibling for each element, not all
1868 * You may provide an optional expression to filter the match.
1870 * @example $("p").next()
1871 * @before <p>Hello</p><p>Hello Again</p><div><span>And Again</span></div>
1872 * @result [ <p>Hello Again</p>, <div><span>And Again</span></div> ]
1873 * @desc Find the very next sibling of each paragraph.
1875 * @example $("p").next(".selected")
1876 * @before <p>Hello</p><p class="selected">Hello Again</p><div><span>And Again</span></div>
1877 * @result [ <p class="selected">Hello Again</p> ]
1878 * @desc Find the very next sibling of each paragraph that has a class "selected".
1882 * @param String expr (optional) An expression to filter the next Elements with
1883 * @cat DOM/Traversing
1887 * Get a set of elements containing the unique previous siblings of each of the
1888 * matched set of elements.
1890 * Use an optional expression to filter the matched set.
1892 * Only the immediately previous sibling is returned, not all previous siblings.
1894 * @example $("p").prev()
1895 * @before <p>Hello</p><div><span>Hello Again</span></div><p>And Again</p>
1896 * @result [ <div><span>Hello Again</span></div> ]
1897 * @desc Find the very previous sibling of each paragraph.
1899 * @example $("p").prev(".selected")
1900 * @before <div><span>Hello</span></div><p class="selected">Hello Again</p><p>And Again</p>
1901 * @result [ <div><span>Hello</span></div> ]
1902 * @desc Find the very previous sibling of each paragraph that has a class "selected".
1906 * @param String expr (optional) An expression to filter the previous Elements with
1907 * @cat DOM/Traversing
1911 * Get a set of elements containing all of the unique siblings of each of the
1912 * matched set of elements.
1914 * Can be filtered with an optional expressions.
1916 * @example $("div").siblings()
1917 * @before <p>Hello</p><div><span>Hello Again</span></div><p>And Again</p>
1918 * @result [ <p>Hello</p>, <p>And Again</p> ]
1919 * @desc Find all siblings of each div.
1921 * @example $("div").siblings(".selected")
1922 * @before <div><span>Hello</span></div><p class="selected">Hello Again</p><p>And Again</p>
1923 * @result [ <p class="selected">Hello Again</p> ]
1924 * @desc Find all siblings with a class "selected" of each div.
1928 * @param String expr (optional) An expression to filter the sibling Elements with
1929 * @cat DOM/Traversing
1933 * Get a set of elements containing all of the unique children of each of the
1934 * matched set of elements.
1936 * This set can be filtered with an optional expression that will cause
1937 * only elements matching the selector to be collected.
1939 * @example $("div").children()
1940 * @before <p>Hello</p><div><span>Hello Again</span></div><p>And Again</p>
1941 * @result [ <span>Hello Again</span> ]
1942 * @desc Find all children of each div.
1944 * @example $("div").children(".selected")
1945 * @before <div><span>Hello</span><p class="selected">Hello Again</p><p>And Again</p></div>
1946 * @result [ <p class="selected">Hello Again</p> ]
1947 * @desc Find all children with a class "selected" of each div.
1951 * @param String expr (optional) An expression to filter the child Elements with
1952 * @cat DOM/Traversing
1955 parent: "a.parentNode",
1956 parents: "jQuery.parents(a)",
1957 next: "jQuery.nth(a,2,'nextSibling')",
1958 prev: "jQuery.nth(a,2,'previousSibling')",
1959 siblings: "jQuery.sibling(a.parentNode.firstChild,a)",
1960 children: "jQuery.sibling(a.firstChild)"
1962 jQuery.fn[ i ] = function(a) {
1963 var ret = jQuery.map(this,n);
1964 if ( a && typeof a == "string" )
1965 ret = jQuery.multiFilter(a,ret);
1966 return this.pushStack( ret );
1971 * Append all of the matched elements to another, specified, set of elements.
1972 * This operation is, essentially, the reverse of doing a regular
1973 * $(A).append(B), in that instead of appending B to A, you're appending
1976 * @example $("p").appendTo("#foo");
1977 * @before <p>I would like to say: </p><div id="foo"></div>
1978 * @result <div id="foo"><p>I would like to say: </p></div>
1979 * @desc Appends all paragraphs to the element with the ID "foo"
1983 * @param <Content> content Content to append to the selected element to.
1984 * @cat DOM/Manipulation
1985 * @see append(<Content>)
1989 * Prepend all of the matched elements to another, specified, set of elements.
1990 * This operation is, essentially, the reverse of doing a regular
1991 * $(A).prepend(B), in that instead of prepending B to A, you're prepending
1994 * @example $("p").prependTo("#foo");
1995 * @before <p>I would like to say: </p><div id="foo"><b>Hello</b></div>
1996 * @result <div id="foo"><p>I would like to say: </p><b>Hello</b></div>
1997 * @desc Prepends all paragraphs to the element with the ID "foo"
2001 * @param <Content> content Content to prepend to the selected element to.
2002 * @cat DOM/Manipulation
2003 * @see prepend(<Content>)
2007 * Insert all of the matched elements before another, specified, set of elements.
2008 * This operation is, essentially, the reverse of doing a regular
2009 * $(A).before(B), in that instead of inserting B before A, you're inserting
2012 * @example $("p").insertBefore("#foo");
2013 * @before <div id="foo">Hello</div><p>I would like to say: </p>
2014 * @result <p>I would like to say: </p><div id="foo">Hello</div>
2015 * @desc Same as $("#foo").before("p")
2017 * @name insertBefore
2019 * @param <Content> content Content to insert the selected element before.
2020 * @cat DOM/Manipulation
2021 * @see before(<Content>)
2025 * Insert all of the matched elements after another, specified, set of elements.
2026 * This operation is, essentially, the reverse of doing a regular
2027 * $(A).after(B), in that instead of inserting B after A, you're inserting
2030 * @example $("p").insertAfter("#foo");
2031 * @before <p>I would like to say: </p><div id="foo">Hello</div>
2032 * @result <div id="foo">Hello</div><p>I would like to say: </p>
2033 * @desc Same as $("#foo").after("p")
2037 * @param <Content> content Content to insert the selected element after.
2038 * @cat DOM/Manipulation
2039 * @see after(<Content>)
2044 prependTo: "prepend",
2045 insertBefore: "before",
2046 insertAfter: "after"
2048 jQuery.fn[ i ] = function(){
2050 return this.each(function(){
2051 for ( var j = 0, al = a.length; j < al; j++ )
2052 jQuery(a[j])[n]( this );
2058 * Remove an attribute from each of the matched elements.
2060 * @example $("input").removeAttr("disabled")
2061 * @before <input disabled="disabled"/>
2066 * @param String name The name of the attribute to remove.
2067 * @cat DOM/Attributes
2071 * Adds the specified class(es) to each of the set of matched elements.
2073 * @example $("p").addClass("selected")
2074 * @before <p>Hello</p>
2075 * @result [ <p class="selected">Hello</p> ]
2077 * @example $("p").addClass("selected highlight")
2078 * @before <p>Hello</p>
2079 * @result [ <p class="selected highlight">Hello</p> ]
2083 * @param String class One or more CSS classes to add to the elements
2084 * @cat DOM/Attributes
2085 * @see removeClass(String)
2089 * Removes all or the specified class(es) from the set of matched elements.
2091 * @example $("p").removeClass()
2092 * @before <p class="selected">Hello</p>
2093 * @result [ <p>Hello</p> ]
2095 * @example $("p").removeClass("selected")
2096 * @before <p class="selected first">Hello</p>
2097 * @result [ <p class="first">Hello</p> ]
2099 * @example $("p").removeClass("selected highlight")
2100 * @before <p class="highlight selected first">Hello</p>
2101 * @result [ <p class="first">Hello</p> ]
2105 * @param String class (optional) One or more CSS classes to remove from the elements
2106 * @cat DOM/Attributes
2107 * @see addClass(String)
2111 * Adds the specified class if it is not present, removes it if it is
2114 * @example $("p").toggleClass("selected")
2115 * @before <p>Hello</p><p class="selected">Hello Again</p>
2116 * @result [ <p class="selected">Hello</p>, <p>Hello Again</p> ]
2120 * @param String class A CSS class with which to toggle the elements
2121 * @cat DOM/Attributes
2125 * Removes all matched elements from the DOM. This does NOT remove them from the
2126 * jQuery object, allowing you to use the matched elements further.
2128 * Can be filtered with an optional expressions.
2130 * @example $("p").remove();
2131 * @before <p>Hello</p> how are <p>you?</p>
2134 * @example $("p").remove(".hello");
2135 * @before <p class="hello">Hello</p> how are <p>you?</p>
2136 * @result how are <p>you?</p>
2140 * @param String expr (optional) A jQuery expression to filter elements by.
2141 * @cat DOM/Manipulation
2145 * Removes all child nodes from the set of matched elements.
2147 * @example $("p").empty()
2148 * @before <p>Hello, <span>Person</span> <a href="#">and person</a></p>
2149 * @result [ <p></p> ]
2153 * @cat DOM/Manipulation
2157 removeAttr: function( key ) {
2158 jQuery.attr( this, key, "" );
2159 this.removeAttribute( key );
2161 addClass: function(c){
2162 jQuery.className.add(this,c);
2164 removeClass: function(c){
2165 jQuery.className.remove(this,c);
2167 toggleClass: function( c ){
2168 jQuery.className[ jQuery.className.has(this,c) ? "remove" : "add" ](this, c);
2170 remove: function(a){
2171 if ( !a || jQuery.filter( a, [this] ).r.length )
2172 this.parentNode.removeChild( this );
2175 while ( this.firstChild )
2176 this.removeChild( this.firstChild );
2179 jQuery.fn[ i ] = function() {
2180 return this.each( n, arguments );
2185 * Reduce the set of matched elements to a single element.
2186 * The position of the element in the set of matched elements
2187 * starts at 0 and goes to length - 1.
2189 * @example $("p").eq(1)
2190 * @before <p>This is just a test.</p><p>So is this</p>
2191 * @result [ <p>So is this</p> ]
2195 * @param Number pos The index of the element that you wish to limit to.
2200 * Reduce the set of matched elements to all elements before a given position.
2201 * The position of the element in the set of matched elements
2202 * starts at 0 and goes to length - 1.
2204 * @example $("p").lt(1)
2205 * @before <p>This is just a test.</p><p>So is this</p>
2206 * @result [ <p>This is just a test.</p> ]
2210 * @param Number pos Reduce the set to all elements below this position.
2215 * Reduce the set of matched elements to all elements after a given position.
2216 * The position of the element in the set of matched elements
2217 * starts at 0 and goes to length - 1.
2219 * @example $("p").gt(0)
2220 * @before <p>This is just a test.</p><p>So is this</p>
2221 * @result [ <p>So is this</p> ]
2225 * @param Number pos Reduce the set to all elements after this position.
2230 * Filter the set of elements to those that contain the specified text.
2232 * @example $("p").contains("test")
2233 * @before <p>This is just a test.</p><p>So is this</p>
2234 * @result [ <p>This is just a test.</p> ]
2238 * @param String str The string that will be contained within the text of an element.
2239 * @cat DOM/Traversing
2241 jQuery.each( [ "eq", "lt", "gt", "contains" ], function(i,n){
2242 jQuery.fn[ n ] = function(num,fn) {
2243 return this.filter( ":" + n + "(" + num + ")", fn );
2248 * Get the current computed, pixel, width of the first matched element.
2250 * @example $("p").width();
2251 * @before <p>This is just a test.</p>
2260 * Set the CSS width of every matched element. If no explicit unit
2261 * was specified (like 'em' or '%') then "px" is added to the width.
2263 * @example $("p").width(20);
2264 * @before <p>This is just a test.</p>
2265 * @result <p style="width:20px;">This is just a test.</p>
2267 * @example $("p").width("20em");
2268 * @before <p>This is just a test.</p>
2269 * @result <p style="width:20em;">This is just a test.</p>
2273 * @param String|Number val Set the CSS property to the specified value.
2278 * Get the current computed, pixel, height of the first matched element.
2280 * @example $("p").height();
2281 * @before <p>This is just a test.</p>
2290 * Set the CSS height of every matched element. If no explicit unit
2291 * was specified (like 'em' or '%') then "px" is added to the width.
2293 * @example $("p").height(20);
2294 * @before <p>This is just a test.</p>
2295 * @result <p style="height:20px;">This is just a test.</p>
2297 * @example $("p").height("20em");
2298 * @before <p>This is just a test.</p>
2299 * @result <p style="height:20em;">This is just a test.</p>
2303 * @param String|Number val Set the CSS property to the specified value.
2307 jQuery.each( [ "height", "width" ], function(i,n){
2308 jQuery.fn[ n ] = function(h) {
2309 return h == undefined ?
2310 ( this.length ? jQuery.css( this[0], n ) : null ) :
2311 this.css( n, h.constructor == String ? h : h + "px" );