How to create Firefox extensions

Everyone has a good idea at one time or another to implement a new feature in a web browser. Well, with the goodness that is Mozilla Firefox, now you can do just that. You need to have a vague understanding of XUL and Javascript, but you certainly don’t need to be a master of either. When I started, I knew nothing about either one, really. I had seen some bookmarklets here and there, and tried to figure out just how they worked. Well, that’s how I made my first extension, BugMeNot.

Learn by example

Everyone has a good idea at one time or another to implement a new feature in a web browser. Well, with the goodness that is Mozilla Firefox, now you can do just that. You need to have a vague understanding of XUL and Javascript, but you certainly don’t need to be a master of either. When I started, I knew nothing about either one, really. I had seen some bookmarklets here and there, and tried to figure out just how they worked. Well, that’s how I made my first extension, BugMeNot.

Basically, this tutorial will show you how to create your first extension from scratch. Since every programmer always learns from the famous “Hello, world!