Firebug 0.4
May 24th, 2006
Firebug 0.4 is here! Along with Web Developer Toolbar, it’s a fabulous tool for web developers and turns Firefox into a fantastic environment for building and creating websites.
Firebug’s primary focus is on Javascript. It provides an improved version of the Javascript Console, a Javascript debugger , various inspectors and live editing of the DOM! In the past I’ve tried to debug Javascript in the same way I debug PHP - in PHP I use a print_r() call at various points in the file (a bit like a poor man’s version of breakpoints). I tried to replicate this by using alert() in Javascript but most of the time, it wasn’t very useful. Firebug makes it a lot easier to work with and debug Javascript.
New in this version:
- Javascript Debugger with breakpoints, line-by-line stepping and variable inspection. Can replace Venkman.
- Stack Trace
- Error Debugger: can break on error
- Console logging
See a full changelog.
LiveHTTPHeaders is another extension that I love. I rarely use it but it’s there and available when it’s needed. This one is useful for debugging issues with cookies (e.g. checking expiration dates, paths, etc.)
- Firefox
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