One of my latest projects is investigating XUL and how to create extensions to Mozilla. I came across a pretty in-depth tutorial that’s worth a read to anyone who wants to learn about that wacky Mozilla component architecture. It focuses on creating a new toolbar for Firefox, which seems to be pretty popular lately.

Disclaimer: Any viewpoints and opinions expressed in this article are those of Nicholas C. Zakas and do not, in any way, reflect those of my employer, my colleagues, Wrox Publishing, O'Reilly Publishing, or anyone else. I speak only for myself, not for them.