Top "Firebug" questions

Firebug was a Firefox extension, which allowed the debugging, editing, and monitoring of any website's CSS, HTML, DOM, JavaScript, network traffic and cookies.

What does Firebug "XML cannot be the whole program" error message mean?

I just got this error message in Firebug. A google search reveals nothing but other mystified people! Does anyone have …

javascript firebug firefox3.5
jQuery: PrettyPhoto API isn't working

i'm trying to use prettyPhoto API, but firebug says that $.prettyPhoto.open() isn't a function and don't work... CODE: http://…

jquery api jquery-plugins firebug prettyphoto
How to get firebug to break on exception?

I'm using Firebug 1.5.4. When I reference an undefined variable or some such, it breaks right where the problem occurs, and …

firebug
How do I use Firebug with print-preview in Firefox?

Possible Duplicate: How to see the print media CSS in Firebug? I'm working on a Plone website with plenty of @…

css firefox firebug print-preview
Logging to console from Firefox extension?

I understand that I can log to the console when using a Firefox extension with the cfx run command. Is …

firefox logging firefox-addon firebug firefox-addon-sdk
Understanding Firebug profiler output

I've been trying to use Firebug's profiler to better understand the source of some JavaScript performance issues we are seeing, …

javascript profiling firebug profiler
Firefox - Disable 'debugger' keywords

How do I tell Firefox not to stop if it sees a debugger keyword? I need to avoid a continuous …

javascript debugging firefox firebug firefox-developer-tools
Are there tools / techniques to debug jQuery event handlers?

I am currently trying to figure out what click event handlers have attached to my div. There should only be …

javascript jquery google-chrome javascript-events firebug
Pixel perfect (firebug addon) alternative

I've been using pixel perfect for quite a long time, and grown to love it (despite it's annoyances). Now, when …

firefox-addon firebug pixel-perfect