Articles by Chris Heilmann
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Fun with new technologies at the Firefox 4 launch party in London
For the Firefox 4 launch party in London, England we wanted to show off to the audience why it is such a big thing that we are moving leaps and bounds in the browser market. Here are the slides and notes explaining just how much fun we can have as developers these days if we […]
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Multimedia on the web and using HTML5 sensibly
Last week I went to the London Ajax User Meetup in London, England to deliver two talks about HTML5. One was a re-run of a talk I gave at MIT about Multimedia on the web and the second was a call to arms to use HTML5 sensibly. You can go over to Skillsmatter web site […]
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Spirit of Indiana (Jones) – syncing HTML5 Video with Maps
I’ve always been a big fan of the travel/flight sequences in the Indiana Jones movies and judging by the amount of copy attempts on YouTube I am not alone in this. As I don’t own any video editing software I thought it should be possible to create the same effect with web technologies and Google […]
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New features for HTML5 video playback in Firefox
As explained in this blog post by Jared Wein of the Firefox team there are quite a few new features in Firefox when it comes to playing HTML5 video. As an Aurora user, I am most excited about the option to go full-screen, the ability to overlay video statistics and to save a snapshot of […]
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Syncing page content with HTML5 video (a different kind of webinar)
If you’ve been around the software industry for a little while, you’ve probably attended at least a few “webinars”, where someone does an online presentation, which you can watch and listen to in real time. You might be able to ask questions via a chat window, and if you’re lucky, the presenter will select your […]
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Videos: getting started with your Flame device
The Flame Developer reference phone is currently on its way to developers who either are Mozillians, bought them or have created apps for it. You can buy the flame device online at everbuying, for $170 including postage and packing and world-wide delivery. There is no contract and not obligation to a mobile provider. This is […]
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Web Activities – Firefox OS: the platform HTML5 deserves
In the sixth video of our “Firefox OS – the platform HTML5 deserves” series (the previous five videos are published here) we talk about how Web Activities allow you as a developer to access parts of the hardware without having to package your app. Check out the video featuring Chris Heilmann (@codepo8) from Mozilla and […]
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Click highlights with CSS transitions
When you watch screencasts from time to time you’ll see that some software adds growing dots to the clicks the person explaining does to make them more obvious. Using CSS transitions this can be done very simply in JavaScript, too. Check out the following demo on JSFiddle and you see what we mean. When you […]
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Porting "Me & My Shadow" to the Web – C++ to JavaScript/Canvas via Emscripten
Editors note: This is a guest post by Alon Zakai of the Mozilla Emscripten team. Thanks Alon! Me & My Shadow is an open source 2D game, with clever gameplay in which you control not one character but two. I happened to hear about it recently when they released a 0.3 version: Since I’m looking […]
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Making the Dino roar – syncing audio and CSS transitions
It started with Brian King setting up our Google+ page using this round MDN logo by John Slater. I thought this looks cool and reminded me of the famous MGM intro so I wondered if I could turn it into an intro for our video tutorials (not sure if we will do that though). And, […]