jsFiddle – Shell editor to test your JavaScript code

Excellent shell editor to test your HTML, CSS, and JavaScript snippets together. Includes the ability to load all major JavaScript libraries. Also, save your code snippets to a unique URL and share!

One great use of this site will be to compare the different methods of achieving similar results between libraries. For example, see http://www.jsfiddle.net/eFbwJ/12/ and http://www.jsfiddle.net/4vnya/.

http://www.jsfiddle.net/