Animating images in the TreeView control

A TreeView control enables you to display data in a hierarchical format. Let's apply animation to enlarge and shrink images in the nodes of a TreeView control. We will also take a look at the mechanism of easing using the jQuery UI library. The constructs used in this example are as follows:

Construct	Type	Description
$("#identifier")	jQuery selector	This selects an element using its ID.
$("html_tag")	jQuery selector	This selects all elements with the specified HTML tag.
$(this)	jQuery object	This refers to the current jQuery object.
.animate()	jQuery method	This performs a custom animation on the specified CSS properties.
[attr$="value"]	jQuery selector	This selects an element with the specified attribute ending with the value string.
.find()	jQuery method	This finds all elements that match the filter.
height	CSS property	This is the height of the element.
mouseout	jQuery event	This is fired when the mouse...