api.jquery.comjQuery API Documentation

lang="en-US" lang="en-US" lang="en-US" jQuery jQuery UI jQuery Mobile Sizzle QUnit Plugins Contribute CLA Style Guides Bug Triage Code Documentation Web Sites Events Support Learning Center IRC/Chat Forums Stack Overflow Commercial Support JS Foundation Join Members Leadership Conduct Donate Download API Documentation Blog Plugins Browser Support search Search jQuery API jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. If you're new to jQuery, we recommend that you check out the jQuery Learning Center . If you're updating to a newer version of jQuery, be sure to read the release notes published on our blog . If you're coming from a version prior 1.9, you should check out the 1.9 Upgrade Guide as well. Note that this is the API documentation for jQuery core. Other projects have API docs in other locations: jQuery UI API docs jQuery Mobile API docs QUnit API docs Traversing > Miscellaneous Traversing .add() Create a new jQuery object with elements added to the set of matched elements. Traversing > Miscellaneous Traversing .addBack() Add the previous set of elements on the stack to the current set, optionally filtered by a selector. Attributes | Manipulation > Class Attribute | CSS .addClass() Adds the specified class(es) to each element in the set of matched elements. Manipulation > DOM Insertion, Outside .after() Insert content, specified by the parameter, after each element in the set of matched elements. Ajax > Global Ajax Event Handlers .ajaxComplete() Register a handler to be called when Ajax requests complete. This is an AjaxEvent. Ajax > Global Ajax Event Handlers .ajaxError() Register a handler to be called when Ajax requests complete with an error. This is an Ajax Event. Ajax > Global Ajax Event Handlers .ajaxSend() Attach a function to be executed before an Ajax request is sent. This is an Ajax Event. Ajax > Global Ajax Event Handlers .ajaxStart() Register a handler to be called when the first Ajax request begins. This is an Ajax Event. Ajax > Global Ajax Event Handlers .ajaxStop() Register a handler to be called when all Ajax requests have completed. This is an Ajax Event. Ajax > Global Ajax Event Handlers .ajaxSuccess() Attach a function to be executed whenever an Ajax request completes successfully. This is an Ajax Event. Selectors > Basic All Selector (“*”) Selects all elements. Deprecated > Deprecated 1.8 | Traversing > Miscellaneous Traversing | Removed .andSelf() Add the previous set of elements on the stack to the current set. Effects > Custom .animate() Perform a custom animation of a set of CSS properties. Selectors > Basic Filter | Selectors > jQuery Extensions :animated Selector Select all elements that are in the progress of an animation at the time the selector is run. Manipulation > DOM Insertion, Inside .append() Insert content, specified by the parameter, to the end of each element in the set of matched elements. Manipulation > DOM Insertion, Inside .appendTo() Insert every element in the set of matched elements to the end of the target. Attributes | Manipulation > General Attributes .attr() Get the value of an attribute for the first element in the set of matched elements or set one or more attributes for every matched element. Selectors > Attribute Attribute Contains Prefix Selector [name|=”value”] Selects elements that have the specified attribute with a value either equal to a given string or starting with that string followed by a hyphen (-). Selectors > Attribute Attribute Contains Selector [name*=”value”] Selects elements that have the specified attribute with a value containing a given substring. Selectors > Attribute Attribute Contains Word Selector [name~=”value”] Selects elements that have the specified attribute with a value containing a given word, delimited by spaces. Selectors > Attribute Attribute Ends With Selector [name$=”value”] Selects elements that have the specified attribute with a value ending exactly with a given string. The comparison is case sensitive. Selectors > Attribute Attribute Equals Selector [name=”value”] Selects elements that have the specified attribute with a value exactly equal to a certain value. Selectors > Attribute | Selectors > jQuery Extensions Attribute Not Equal Selector [name!=”value”] Select elements that either don’t have the specified attribute, or do have the specified attribute but not with a certain value. Selectors > Attribute Attribute Starts With Selector [name^=”value”] Selects elements that have the specified attribute with a value beginning exactly with a given string. Manipulation > DOM Insertion, Outside .before() Insert content, specified by the parameter, before each element in the set of matched elements. Deprecated > Deprecated 3.0 | Events > Event Handler Attachment .bind() Attach a handler to an event for the elements. Events > Form Events | Forms .blur() Bind an event handler to the “blur” JavaScript event, or trigger that event on an element. Selectors > Form | Selectors > jQuery Extensions :button Selector Selects all button elements and elements of type button. Callbacks Object callbacks.add() Add a callback or a collection of callbacks to a callback list. Callbacks Object callbacks.disable() Disable a callback list from doing anything more. Callbacks Object callbacks.disabled() Determine if the callbacks list has been disabled. Callbacks Object callbacks.empty() Remove all of the callbacks from a list. Callbacks Object callbacks.fire() Call all of the callbacks with the given arguments. Callbacks Object callbacks.fired() Determine if the callbacks have already been called at least once. Callbacks Object callbacks.fireWith() Call all callbacks in a list with the given context and arguments. Callbacks Object callbacks.has() Determine whether or not the list has any callbacks attached. If a callback is provided as an argument, determine whether it is in a list. Callbacks Object callbacks.lock() Lock a callback list in its current state. Callbacks Object callbacks.locked() Determine if the callbacks list has been locked. Callbacks Object callbacks.remove() Remove a callback or a collection of callbacks from a callback list. Events > Form Events | Forms .change() Bind an event handler to the “change” JavaScript event, or trigger that event on an element. Selectors > Form | Selectors > jQuery Extensions :checkbox Selector Selects all elements of type checkbox. Selectors > Form :checked Selector Matches all elements that are checked or selected. Selectors > Hierarchy Child Selector (“parent > child”) Selects all direct child elements specified by “child” of elements specified by “parent”. Traversing > Tree Traversal .children() Get the children of each element in the set of matched elements, optionally filtered by a selector. Selectors > Basic Class Selector (“.class”) Selects all elements with the given class. Effects > Custom | Data | Utilities .clearQueue() Remove from the queue all items that have not yet been run. Events > Mouse Events .click() Bind an event handler to the “click” JavaScript event, or trigger that event on an element. Manipulation > Copying .clone() Create a deep copy of the set of matched elements. Traversing > Tree Traversal .closest() For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree. Selectors > Content Filter :contains() Selector Select all elements that contain the specified text. Traversing > Miscellaneous Traversing .contents() Get the children of each element in the set of matched elements, including text and comment nodes. Deprecated > Deprecated 1.10 | Internals | Properties > Prope...