Development:Firebug

What is Firebug?

Firebug is an add-on for the Firefox web browser. Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Where can I get Firebug

• http://getfirebug.com
• https://addons.mozilla.org/en-US/firefox/addon/1843

Tutorials

• Build Better Pages With Firebug

• Firebug Tutorial - Logging, Profiling and CommandLine (Part 1)

• And for those of us who prefer viewing to reading, there's a bunch of tutorial videos on YouTube

Further enhancements

• Some enhancements to make Firebug even more powerful: Mehr Power für Firebug (list of 10 enhancements, in German, but you can follow the links)
• FireRainbow - provides JavaScript syntax highlighting for Firebug 1.3.
• CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.