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  1. Building applications for Firefox OS using AngularJS

    When you start developing for Firefox OS you might be underwhelmed by the tools that are provided. There is no standard UI toolkit, or a JavaScript framework that all apps build on. This is not a situation that’s inherently bad because in essence Firefox OS Read more…

  2. Event listeners popup, @media sidebar, Cubic bezier editor + more – Firefox Developer Tools Episode 33

    A new set of Firefox Developer Tools features has just been uplifted to the Aurora channel. These features are available right now in Aurora, and will be in the Firefox 33 release in October. This release brings many new additions, especially to the Inspector tool: Read more…

  3. Building Firefox Hub Add-ons for Firefox for Android

    The Firefox Hub APIs allow add-ons to add new panels to the Firefox for Android home page, where users normally find their top sites, bookmarks and history. These APIs were introduced in Firefox 30, but there are more features and bug fixes in Firefox 31 Read more…

  4. Resources for HTML5 game developers

    Today we released Firefox 31 and it offers a couple of new features that help HTML5 game developers to code and debug sophisticated games. In addition Mozilla blogged about the first commercial games leveraging asm.js, Dungeon Defenders Eternity and Cloud Raiders both of which were Read more…

  5. How can we write better software? – Interview series, part 1 with Fernando Jimenez Moreno

    Do you ever look code and murmur a string of “WTFs?” Yeah, me too. As often as not, the code is my own. I have spent my entire professional career trying to write software that I can be proud of. Writing software that “works” is Read more…

  6. Adding captions and subtitles to HTML5 video

    This article is also available on MDN. With the introduction of the <video> and <audio> elements to HTML5, we finally have a native way to add video and audio to our websites. We also have a JavaScript API that allows us to interact with this Read more…

  7. Mozilla at conferences – June edition

    Welcome to a quick round-up of what Mozillians have been talking about at events in and around June. Frédéric Harper spoke at Devoxx UK about “Getting the best out of your design with responsive web design“ Robert Nyman spoke at JSCamp Romania about “Five stages Read more…

  8. ServiceWorkers and Firefox

    Since early 2013, Mozillians have been involved with the design of the Service Worker. Thanks to work by Google, Samsung, Mozilla, and others, this exciting new feature of the web platform has evolved to the point that it is being implemented in various web browser Read more…

  9. WebIDE Lands in Nightly

    Editor’s note: if you want to help test it on a recent nightly you can toggle the devtools.webide.enabled preference in about:config. The WebIDE is available today under Tools>Web Developer>App Manager and will be renamed in tomorrow’s Nightly into WebIDE. If you’ve been following our Developer Read more…

  10. What’s new in Cordova 3.5.0 for Firefox OS

    The Cordova community recently released version 3.5.0 of the tools. This version includes some exciting improvements to the Firefox OS development workflow. Before we dive into the new features, make sure you have the latest version by running: $ sudo npm install -g cordova $ Read more…