1. an overview of TraceMonkey

    • by Christopher Blizzard • 35 Days, Feature, Firefox 3.5, JavaScript, TraceMonkey • 68 comments

    This post was written by David Mandelin who works on Mozilla’s JavaScript team. Firefox 3.5 has a new JavaScript engine, TraceMonkey, that runs many JavaScript programs 3-4x faster than Firefox 3, speeding up existing web apps and enabling new ones. This article gives a peek Read more…

  2. cross-site xmlhttprequest with CORS

    • by Arun Ranganathan • 35 Days, JavaScript, Standards, XMLHttpRequest • 41 comments

    XMLHttpRequest is used within many Ajax libraries, but till the release of browsers such as Firefox 3.5 and Safari 4 has only been usable within the framework of the same-origin policy for JavaScript. This meant that a web application using XMLHttpRequest could only make HTTP Read more…

  3. HTML5 drag and drop in Firefox 3.5

    • by Christopher Blizzard • 35 Days, DOM, Feature, Firefox 3.5, JavaScript • 30 comments

    This post is from Les Orchard, who works on Mozilla’s web development team. Introduction Drag and drop is one of the most fundamental interactions afforded by graphical user interfaces. In one gesture, it allows users to pair the selection of an object with the execution Read more…

  4. using web workers: working smarter, not harder

    • by Eric Shepherd • 35 Days, DOM, Feature, JavaScript, Standards • 17 comments

    This article is written by Malte Ubl, who has done a lot of great work with using Web Workers as part of the bespin project. In recent years, the user experience of web applications has grown richer and richer. In-browser applications like GMail, Meebo and Read more…

  5. video – more than just a tag

    • by Arun Ranganathan • 35 Days, Feature, Firefox 3.5, Standards, Video • 17 comments

    This article is written by Paul Rouget, Mozilla contributor and purveyor of extraordinary Open Web demos. Starting with Firefox 3.5, you can embed a video in a web page like an image. This means video is now a part of the document, and finally, a Read more…

  6. another great CSS media query demo

    • by Christopher Blizzard • 35 Days, CSS, Demo, Firefox 3.5, Standards • 15 comments

  7. open video codecs discussion at Mozilla

    • by Christopher Blizzard • Standards, Video • 11 comments

    On Tuesday, July 28th, 2009, Mozilla hosted a brownbag and lunch discussion with Davis Freeberg and Dan Miller on the subject of open video codecs. Dan Miller is one of the founders of On2 and is largely responsible for the free release of VP3, which Read more…

  8. slick tables with css 3 selectors

    • by Eric Shepherd • 35 Days, CSS, Demo, Feature, Firefox 3.5 • 10 comments

  9. synchronous XHR requests in Firefox 3.5

    • by Christopher Blizzard • Uncategorized • 10 comments

    This post is from Doug Turner who has previous written about Geolocation. Doug works on Mozilla’s mobile project. XMLHttpRequests (XHR) can be either synchronous or asynchronous. Although most people use asynchronous requests there are instances where you might want to use a synchronous request. That Read more…

  10. css transforms: styling the web in two dimensions

    • by Eric Shepherd • 35 Days, CSS, Demo, DOM, Feature, JavaScript, Standards • 9 comments