Firebug is a very cool new Firefox extension that makes debugging Javascript, DHTML, and Ajax a lot less of a pain in the rear. It has a beautiful and intuitive UI, and some really neat features such as contextual error display (only showing errors for the page you're on, rather than all errors) and automatic logging of XMLHttpRequests. As Chris said, Firebug combines "the best of JS console and the DOM inspector." Now do yourself a favor and install it!
Cool new Firefox extension for JS development
Reader Comments
(Page 1)2. Yes, I installed it, and it hasn't slowed down Firefox for me. I really like the interface. For example... there are 11 errors on this page! (all associated with ads, so I guess I can forgive 'em)
Posted at 9:06AM on Jan 30th 2006 by Amber Rhea
3. Thanks, that looks pretty useful. I'm also using Console2: http://forums.mozillazine.org/viewtopic.php?t=318102
Posted at 12:35AM on Feb 13th 2006 by Patrick Fitzgerald
4. I can't tell if it's slowing me down (because my Internets have been slow in general today) but I use the Tools>Firebug>Disable menu to turn it off when I'm not using it. Does not require a restart of Firefox, so that's nice.
Posted at 1:54PM on Feb 13th 2006 by Patrick Fitzgerald
5. Sweet! Thanks. This will make it much easier to code.
Posted at 7:58PM on Feb 22nd 2006 by mark








1. Did you try the JS debugger yourself Amber. I would want to know if it's worth trying. My Firefox is already so slow from all these extension i have installed so i have to waiting up a bit.
Posted at 6:02AM on Jan 30th 2006 by Brad Single