Code that does not run gets faded out.
Click an object to inspect its properties.
Click a DOM element to inspect it in the page inspector.
Firefox 11 or later.Firefox Nightly highly recommended!
(the add-on has more features on Nightly and is more tested with this version)
An update for Firefox 11 compatibility will come soon. Please check out twitter for update when it's ready.
Download and install the latest available add-on from here.
Feedback? Follow @neonux
or drop by #devtools.
Pull requests also accepted ;)