IxEdit

“IxEdit is a JavaScript-based interaction design tool for the web. With IxEdit, designers can practice DOM-scripting without coding to change, add, move, or transform elements dynamically on your web pages. Especially, IxEdit must be useful to try various interactions rapidly in the prototyping phase of your web application.” — Must say I code it faster, yet nonetheless very nice. Don’t know if you an export the generated code though …