1. ClassList in Firefox 3.6

    • by Paul Rouget • Firefox 3.6, HTML5, JavaScript • 16 comments

    This article was writt by Anthony Ricaud, French OpenWeb enthusiast. Why you need classList A dynamic web application usually needs visual feedback from its inner mechanism or needs to display different visual elements based on users’ actions. To change the user interface easily, you can Read more…

  2. industry support for WOFF and Firefox 3.6

    • by Christopher Blizzard • Firefox 3.6 • 7 comments

    Today we announced the release of Firefox 3.6 and users are starting to upgrade. One of the more important features we included for developers was support for a new font standard called WOFF. WOFF has received wide support from the type community and we’re starting Read more…

  3. Firefox 3.6 is here!

    • by Paul Rouget and Jay Patel • Featured Article, Firefox 3.6 • 56 comments

    Firefox 3.6 has some cool consumer facing features like Personas and a better Plug-in Updater, but developers have a lot to be excited about too.  Developers will appreciate the increased stability, especially the work done to prevent crashes with third party software.  There are also Read more…

  4. Firebug 1.5: a closer look

    • by Alix Franquet • Firebug • 15 comments

    Firebug 1.5 was released yesterday on addons.mozilla.org, where you can now download it. It’s compatible with the upcoming Firefox 3.6. If you’d like to take a more in-depth look at what’s new in Firebug 1.5, here’s a series of articles written by Firebug contributor Jan Read more…

  5. Firebug 1.5 released!

    • by Alix Franquet • Featured Article, Firebug • 24 comments

    Editor’s note: today the Firebug team released Firebug 1.5. Check out Rob Campbell’s announcement reposted below. I am very happy to be able to announce the release of Firebug 1.5.0 on addons.mozilla.org. This release represents a significant effort by the Firebug Working Group which saw Read more…

  6. JavaScript speedups in Firefox 3.6

    • by Alix Franquet • Featured Article, Firefox, Firefox 3.6, JavaScript, TraceMonkey • 85 comments

    This post was written by David Mandelin who works on Mozilla’s JavaScript team. Firefox 3.5 introduced TraceMonkey, our new JavaScript engine that traces loops and JIT compiles them to native (x86/ARM) code. Many JavaScript programs ran 3-4x faster in TraceMonkey compared to Firefox 3. (See Read more…

  7. offline web applications

    • by Paul Rouget • Featured Demo, Firefox, Mobile, Offline • 32 comments

  8. Hacks v2.0

    • by Jay Patel • Featured Article, MDN • 25 comments

    As you may have noticed, Hacks looks a bit different today.  That’s because we’ve completely redesigned the site. We wanted to make it easier for everyone to not only enjoy the new content we publish, but also to find past articles and demos. With Firefox Read more…