1. Firefox 5 is here

    • by louisremi • CSS, Featured Article, Firefox, Firefox 5, HTML5, Performance, Release • 120 comments

    Today, three months after the release of Firefox 4, we release Firefox 5, thanks to our new development cycle. Developers will be able to create richer animations using CSS3 Animations. This release comes with various improvements, performance optimization and bug fixes. CSS3 Animations CSS Animations Read more…

  2. JSMad – a JavaScript MP3 decoder

    • by Chris Heilmann • Audio, Firefox 4, Firefox 5 • 24 comments

    It always amazes me just how fast modern browsers and their JavaScript engines are. And how creative people get when trying to make things work inside a browser instead of relying on a plugin that our end users would have to install (and more importantly Read more…

  3. A Wall Powered by EventSource and Server-Sent Events

    • by louisremi • Aurora, Demo, Event • 21 comments

  4. Dev Derby – a monthly competition of demos using open technologies

    • by Chris Heilmann • Challenge, Demo Studio, Dev Derby, Featured Article, MDN • 20 comments

    Starting from June, Mozilla runs a monthly competition to showcase newest web technologies. In an international competition individuals can submit demos that show the world just how much is possible using open and free technologies in a modern browser. The Mozilla Dev Derby happens every Read more…

  5. Add-on SDK and the beta of Add-on Builder now available!

    • by dhorner • Add-ons, Developer Tools, Featured Article, Firefox, Uncategorized • 14 comments

    Firefox offers users complete control over the look and functionality of their Web browser with a gallery of hundreds of thousands of add-ons. With the launch of Add-on SDK and Add-on Builder Beta, web developers  need only knowledge of HTML, JavaScript and CSS to create Read more…

  6. Doom on the Web

    • by louisremi • Canvas, Gaming, JavaScript, Performance • 14 comments

    Update: We had a doubt whether this port of the Open Source Doom respected its term of use. We decided to remove it from our Website before taking an informed and definitive decision. This is a guest post written by Alon Zakai. Alon is one Read more…

  7. The <progress> element

    • by louisremi • Aurora, HTML5 • 10 comments

    The <progress> element just landed in Firefox Aurora (to be Firefox 6). As its name indicate, this element can be used to give visual clues of anything in progress on a Web page: a set of ressources being downloaded, a file being uploaded, a computing Read more…

  8. Cross-domain WebGL textures disabled in Firefox 5

    • by Benoit Jacob • WebGL • 9 comments

    In Firefox 5, it is no longer possible to use cross-domain elements as the source for WebGL textures. We made this change in response to security concerns around the possibility of cross domain information leakage. Unfortunately, that means that some WebGL-using pages are no longer Read more…

  9. Rofox, a CSS3 Animations demo

    • by Paul Rouget • CSS, Featured Demo, Firefox 5 • 6 comments

  10. With the power of HTML5 – speaking at Converge SE in Columbia, SC

    • by Chris Heilmann • Conferences, CSS, HTML5 • 4 comments

    Last week the Converge SE conference in Columbia, South Carolina attracted about 400 designers, developers and product managers to attend workshops and hear keynotes about all that is new and great in web development. As you can see on the conference schedule the conference covered Read more…