Try jQuery is a combination of videos, interactive console challenges, and writing code in the browser. You’ll need about 2 hours of time to make it through everything. There is a gentle introduction to what jQuery is, and what it can do.
It tells you how to search and walk through the DOM with selectors and traversing. Add & remove from the DOM, more traversing, and user events. Listen for events, handle them, and change the default event behavior of web browsers. Before landing, tame CSS with jQuery and animate elements on the page.
Requirements: jQuery Framework
Demo: http://try.jquery.com/
License: License Free