Firefox Development Highlights Articles
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Developer Edition 54: New inspector and debugger features, MDN help in the netmonitor, and more
A roundup of great new developer tool features and fixes released in Firefox Developer Edition 54 - for debugging, inspecting, monitoring, and generally making your workflow smarter and better.
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Firefox 52: Introducing WebAssembly, CSS Grid and the Grid Inspector
We cover some of the most innovative features to land in Firefox 52, including WebAssembly, CSS Grid, the CSS Grid Inspector Tool, an improved Responsive Design Mode, and Async and Await support for JavaScript.
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Containers Come to Test Pilot
The Containers feature in Firefox Nightly gives users the ability to place barriers on the flow of data across sites by isolating cookies, indexedDB, localStorage, and caches within discrete browsing contexts. After running the Containers UI through successive rounds of user research and UX iteration, we’ve launched a Containers experiment in Firefox Test Pilot in order to widen the audience for Containers, iterate on the UI, and reason about the future of the feature.
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Developer Edition 50: Console, Memory Tool, Net Monitor and more
Firefox Developer Edition 50 is here. It has numerous improvements that will help you work with script-initiated network requests, tweak indexedDB data, and much more. It also introduces something special we’ve all been really wanting for a while, so let’s get right to it: Console A long awaited feature is finally coming to the dev […]
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New Performance Tools in Firefox Developer Edition 40
Today Mozilla is pleased to announce the availability of Firefox Developer Edition 40 (DE 40) featuring all-new performance tools! In this post we will cover some of DE 40’s new developer tools, fixes, and improvements made to existing tools. In addition, a couple of videos showcase some of these features. Note: Many of the new […]
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Power Surge – optimize the JavaScript in this HTML5 game using Firefox Developer Edition
The Firefox Developer Tools team wanted to find a fun way to show off the great performance tools we’ve just added to the Firefox Developer Edition browser. We partnered with Przemysław Sikorski (aka rezoner) author of Playground.js and the arcade puzzle game QbQbQb, to create “Power Surge,” a fun game which shows off how the […]
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Drag Elements, Console History, and more – Firefox Developer Edition 39
Quite a few big new features, improvements, and bug fixes made their way into Firefox Developer Edition 39. Update your Firefox Developer Edition, or Nightly builds to try them out! Inspector The Inspector now allows you to move elements around via drag and drop. Click and hold on an element and then drag it to […]
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Web Animation tools, Network Security insights, Font Inspector improvements and more – Firefox Developer Tools Episode 37
A handful of bug fixes, improvements and some new features, of course, just landed in Firefox 37. Update your Firefox Developer Edition, or Nightly builds to try them out! Animation Inspector Panel A new API that’s quickly gaining traction is the Web Animations API, allowing developers to construct more complex animations using web technologies, rather […]
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Mozilla Introduces the First Browser Built For Developers: Firefox Developer Edition
Developers are critical to the continued success of the Web. The content and apps they create compel us to come back to the Web every day, whether on a computer or mobile phone. In celebration of the 10th anniversary of Firefox, we’re excited to unveil Firefox Developer Edition, the first browser created specifically for developers. […]
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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 […]