http://venturebeat.com/2011/11/07/codecademy-jquery-scratchpad/
Codecademy has added jQuery lessons and a scratchpad to its fun and engaging tool that teaches people how to code online, the company is announcing today.
The new jQuery lesson is the first to be contributed by a member of the Codecademy community, and the scratchpad tool will let people see what the code they’ve created in action.
Codecademy is a free site where people who are interested in learning programming can take lessons through an interface that makes the whole process like a game.
jQuery is a JavaScript library for creating interactive HTML-based websites more quickly. It is one of the most popular JavaScript libraries, and is used by more than 49 percent of the top 10,000 websites on the Internet.
Codecademy is a great resource for learning the basics of programming. As they incorporate more lessons and tools into the site, it should continue to get better.