Featured Articles
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New in Firefox 58: Developer Edition
Dive into the changes coming in Firefox 58, currently available to preview in Firefox Developer Edition. Highlights include more control for CSS authors, an even better Debugger, added support for WebVR and FLAC, WebExtension API additions, and more.
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Firefox goes 2-digit, time to check your UA sniffing scripts
We all know it: UA-based browser detection is bad, the right way is feature-detection. Regardless, legacy code relies upon UA sniffing and may need to be updated for Firefox 10’s release. Even if it looks simple, UA parsing has proven to be a headache for numerous script authors. Though the structure of an UA is […]
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ES6 In Depth: Classes
ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. Today, we get a bit of a respite from the complexity that we’ve seen in previous posts in this series. There are no new never-before-seen ways of writing […]
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The state of Web Components
Web Components have been on developers’ radars for quite some time now. They were first introduced by Alex Russell at Fronteers Conference 2011. The concept shook the community up and became the topic of many future talks and discussions. In 2013 a Web Components-based framework called Polymer was released by Google to kick the tires […]
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Aurora 16 is out — Unprefixing time !
Web developers, it is time to celebrate! In the upcoming Firefox 16, which reached the Aurora status today, a major enhancement is the unprefixing of several stable CSS features. Other notable features of interest to Web developers include several more HTML5-related APIs, better accessibility on Mac OS, and improvements to Firefox Developer Tools. So […]
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Aurora 14 is out! What's new in it?
We have just released Firefox Aurora 14, which includes a number of improvements. If all goes well, these features should be released in 12 weeks as part of Firefox 14. Highlights There are a few of things we’d like to shine some extra light on here: Native Fullscreen Support in Mac OS X 10.7 “Lion”: […]
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CSS source map support, network performance analysis & more – Firefox Developer Tools Episode 29
Firefox 29 was just uplifted to the Aurora release channel. This means that it is time to report some of the major changes that you can expect to see inside of the Developer Tools for this release. Better Looking Tools In addition to new features, we have been updating the look and feel of our […]
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W3C FileAPI in Firefox 3.6
Often, web applications will prompt the user to select a file, typically to upload to a server. Unless the web application makes use of a plugin, file selection occurs through an HTML input element, of the sort <input type="file"/>. Firefox 3.6 now supports much of the W3C File API, which specifies the ability to asynchronously […]
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Make the Web Work For Everyone
Updated 2016/07/22: Commenters found a few data errors (thanks!) which have now been corrected. Millions of websites have compatibility problems on one or more of the major browsers, leading to a poor user experience. The web developer community can fix this. The web has changed immensely in the past 20 years. In 1996 there were […]
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New Features of Firefox Developer Tools: Episode 25
Firefox 25 was just uplifted to the Aurora release channel which means we are back to report about new features in Firefox Developer Tools. Here’s a summary of some of the most exciting new features, and to get the whole picture you can check the complete list of resolved bugzilla tickets. Black box libraries in […]
