Hacks Mozilla.org

This week, Mozilla unveiled the newly redesigned Mozilla Developer Network, the latest incarnation of MDC. The website has evolved over the years and we recently decided to change the name from Mozilla Developer Center to the Mozilla Developer Network (MDN) to better reflect the developer segments that make up our community and provide a better platform for engaging developers in the Mozilla mission and our plans for pushing the open Web forward. Read more

This article is about a new HTTPS header: Strict-Transport-Security, which force a website to be fetched through HTTPS. This feature will be part of Firefox 4.

How do you type URLs?

Do you prefix them with http:// or https:// systematically? Or do you just type example.com and let your browser add http://, like most of the people do?

This is a guest post by Markus Stange. Markus usually works on the Firefox Mac theme implementation, but this time he went on a small side trip through the Gecko layout engine in order to implement -moz-element.

In Firefox Beta 4 we’re introducing a new extension to the CSS background-image property: the ability to draw arbitrary elements as backgrounds using -moz-element(#elementID).

The latest Firefox 4 Beta has just been released (get it here). This beta comes with hundreds of bug fixes, Firefox Sync and Firefox Panorama. Read more

This is a re-post from Chris Pearce’s blog. To comply with the HTML5 specification, we replaced the autobuffer attribute with the tri-state preload attribute. We encourage you to update your code. See the documention on MDC.

This is a repost from Chris Pearce’s blog.

If you run Firefox Beta or Firefox nightlies, you will probably run into some issues. Reporting these bugs and crashes will help us to make sure the user experience is better for all Firefox 4 users.

Marcia Knous is part of the Firefox QA team. Because reporting a good bug is not that easy but extremely important, Marcia explains us how to file a bug correctly:

This is a re-post from Robert O’Callahan’s blog.

The latest Firefox 4 Beta has just been released (get it here). This beta comes with hundreds of bug fixes, improvements and multi-touch support for Windows 7 (see the release notes here). This article is about multi-touch support.

This post is by Vladimir Vukićević and is a re-post from his personal weblog.

When we make graphical web applications, we may use Canvas and SVG. Comparing SVG with Canvas, SVG is suitable to make applications with these features:

As we have explained before, Mozilla is now making more frequent updates to our beta program. So here it is, Firefox Beta 2 has just been released, 3 weeks after Beta 1.

Firefox 4 Beta 1 already brought a large amount of new features (see the Beta 1 feature list). So what’s new for web developers in this beta?

Note: We at Mozilla wholeheartedly approve of Brendan’s use of Bruce Campbell.

This is a guest post from Jonas Sicking, who does much of the work inside of Gecko on content facing features. He covers FormData, which we’ve talked about before, but shows how it can connect to an important part of the File API we’ve added for Firefox 4: File.url.