This is a follow-up article to my recent ebook, Build Your Own Firefox Extension—an extra selection of useful tips, tricks, and hacks that I’ve collected from my experience with building extensions for Firefox, including CodeBurner, the SitePoint Reference extension. Basic knowledge of how to build...

Apple’s Mac OS X operating system is renowned for its fluid graphical effects. One impressive feature is the dock’s ‘fish-eye’ effect, whereby icons expand and contract as the mouse moves over them. Achieving this effect in JavaScript is difficult, but the MacStyleDock function allows this feature...

An important design element that’s part of the whole AJAX business is somehow letting your user know that stuff is actually happening while the server crunches away. A common way to do so, is to add a little animated GIF that is only shown when the AJAX request is happening. 37signals favor this one,...