Jquery Basic Introduction
An open source JavaScript library that simplifies the interaction between HTML and JavaScript
Created by John Resig in 2005, released in January of 2006.
jQuery is a lightweight “write less, do more” JavaScript library.
The jQuery library contains the following features:
HTML element selections
HTML element manipulation
CSS manipulation
HTML event functions
JavaScript Effects and animations
HTML DOM traversal and modification
AJAX
Utilities
Built in an attempt to simplify the existing DOM APIs and abstract away cross-browser issues.
26.95% of all sites use jQuery
Fully documented.
Great community.
Tons of plugins.
Small size (23kb)
Everything works in IE 6+, Firefox 2+, Safari 3+, Chrome, and Opera 9+