jQuery Shell Google Chrome Extension

I've written a handy Google Chrome extension for jQuery developers. The extension allows you to bring up a console window and run Javascript and jQuery commands against the current web page. It is great for learning or experimenting with jQuery. I call the extension the jQuery Shell and it can be found here. The source code can be found here. Here is a screen shot for your viewing pleasure:

Google Chrome has a really nice extension framework.

A couple of other useful Javascript tools (not Chrome extensions) I've discovered on the web lately are http://jsfiddle.net and http://jsbin.com/.