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Firebug 2 (released today!) uses number of internal architectural concepts that help to implement new features as well as effectively maintain the code base.

Using transparent architecture and well known design patterns has always been one of the key strategies of the (relatively small) Firebug team that allows us maintain rather large set of features in Firebug.

This post describes the way how Firebug deals with JavaScript object representation and the concept ensuring that an object is always rendered the same way across entire Firebug UI.

  • Firebug 2.0 is compatible with Firefox 30 - 32

 

See also list of new features in Firebug 2

Firebug Internals I.

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