From jQuery JavaScript Library
$(...) The jQuery Function:jQuery Object Accessors:| Name | Type |
| each( callback ) | Returns: jQuery |
| Execute a function within the context of every matched element. |
| size( ) | Returns: Number |
| The number of elements in the jQuery object. |
| length | Returns: Number |
| The number of elements in the jQuery object. |
| eq( position ) | Returns: jQuery |
| Reduce the set of matched elements to a single element. |
| gt( position ) | Returns: jQuery |
| Reduce the set of matched elements to all elements after a given position. |
| lt( position ) | Returns: jQuery |
| Reduce the set of matched elements to all elements before a given position. |
| get( ) | Returns: Array<Element> |
| Access all matched DOM elements. |
| get( index ) | Returns: Element |
| Access a single matched DOM element at a specified index in the matched set. |
| index( subject ) | Returns: Number |
| Searches every matched element for the object and returns the index of the element, if found, starting with zero. If a jQuery object is passed, only the first element is checked. |
Plugins:Interoperability:| Name | Type |
| jQuery.noConflict( ) | Returns: jQuery |
| Run this function to give control of the $ variable back to whichever library first implemented it. |
| jQuery.noConflict( extreme ) | Returns: jQuery |
| Revert control of both the $ and jQuery variables to their original owners. Use with discretion. |