Articles by Chris Heilmann
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ECMAScript 5 strict mode in Firefox 4
Editor’s note: This article is posted by Chris Heilmann but authored by Jeff Walden – credit where credit is due. Developers in the Mozilla community have made major improvements to the JavaScript engine in Firefox 4. We have devoted much effort to improving performance, but we’ve also worked on new features. We have particularly focused […]
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JSMad – a JavaScript MP3 decoder
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 constantly keep up to date). The latest thing that make […]
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Hidden Gems of HTML5: classList
If you are a web developer, you surely must know how handy it is to dynamically change the class attribute on an element. The benefits this technique are quite a few: You leave any changes in the look and feel to the CSS You avoid having to loop lots of elements as you can allow […]
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People of HTML5 – Bruce Lawson
Leggi la traduzione in italiano HTML5 needs spokespeople to work. There are a lot of people out there who took on this role, and here at Mozilla we thought it is a good idea to introduce some of them to you with a series of interviews and short videos. The format is simple – we […]
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Dev Derby – a monthly competition of demos using open technologies
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 month and revolves around a certain technology. A panel of […]
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HTML5 context menus in Firefox (Screencast and Code)
You may not know it, but the HTML5 specifications go beyond what we put in the pages and also define how parts of the browser should become available to developers with HTML, CSS and JavaScript. One of these parts of the specs are context menus, or “right click menus”. Using HTML5 and a menu element […]
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App basics for Firefox OS – a screencast series to get you started
Over the next few days we’ll release a series of screencasts explaining how to start your first Open Web App and develop for Firefox OS. Each of the screencasts is terse enough to watch in a short break and the whole series should not take you more than an hour of your time. The series […]
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Introducing BrowserID – easier and safer authentication on the web
Security on the web is more important than ever. Almost weekly reports of exploits of information and leaks into the public make it hard for a lot of people to trust the internet. One of the main annoyances is that every service expect us to have a login and password. As we use lots of […]
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Want to go to Full Frontal in Brighton, England this Friday? We got tickets!
photo by Lily Full Frontal is a JavaScript centric conference in Brighton, England on the 11/11/11. The simplest way to describe it is “a splendid kick into your lower back side” event when it comes to what’s hot and amazing int he world of scripting. The Mozilla Developer Network has 3 tickets to give out, […]
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Upcoming changes to the Firefox Developer tools node picker
If you are a user of the Firefox Developer tools you’ll soon see a change of the node picker of the Page Inspector component. As documented on Bugzilla and reported by Patrick Brosset these changes mean: The node inspect button in the devtools has moved from the inspector-panel toolbar, on the left, to the toolbox […]