If you want to build custom extensions for Firefox, then this is the book for you!

With a little JavaScript know-how, author James Edwards will show you just how straightforward it is to build your own Firefox extensions.

One of the main reasons for the explosive and continued popularity of Firefox is its framework for custom extensions. What many web developers don’t realise is that they’re so easy to create and implement — anyone with a minimal understanding of JavaScript and XML can build a Firefox extension. After reading Build Your Own Firefox Extension, you’ll be able create simple Firefox extensions with extremely powerful functionality.

With James’s sleek new ebook, you’ll:

* learn about the folder structure and file types that comprise an extension
* develop your user interface using XUL, and style it with CSS
* build functionality and advanced features with JavaScript
* add keyboard shortcuts and internationalization features
* learn how to publish the finished product
* receive a bonus intro to Jetpack