181
Firebug and DevTools Integration
You might have already heard about our effort to unify native Firefox Developer tools (DevTools) and Firebug. We’ve been working hard to port all favorite Firebug features into native DevTools, ...
Mozilla Hacks
Mozilla Hacks is written for web developers, designers and everyone who builds for the Web. Hacks is produced by Mozilla's Developer Relations team and features hundreds of posts from Mozilla ...
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Visit hacks.mozilla.org → RSS feedOn Hacker News May 2010 – May 2026
Web & Frontend 170Software Engineering 69Tools & Productivity 44Systems & Performance 35Tech Industry & Business 31Security & Privacy 19
182
A crash course in just-in-time compilers (2017)
This is the second part in a series on WebAssembly and what makes it fast. If you haven’t read the others, we recommend starting from the beginning. JavaScript started out ...
183
ES6 in Depth: Destructuring
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. Editor’s note: An ...
184
Add-Ons Outage Post-Mortem Result
We've been conducting an ongoing post-mortem on the add-ons outage that occurred earlier this year. There was a lot more digging to do than we expected. In addition to this ...
185
ES6 in Depth – Symbols
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. Note: There is ...
186
Introducing HumbleNet: Cross-Platform Networking Library for the Browser
Announcing the release of HumbleNet, a project initiated at Humble Bundle in 2015 to port peer-to-peer multiplayer games, originally to asm.js and now to WebAssembly. The current open source version ...
187
Experimenting with WebAssembly and Computer Vision
This past summer, four students at a coding bootcamp in Los Angeles began experimenting with WebAssembly. The result, after six weeks of exploration, was WebSight: a real-time face detection demo ...
188
Firefox Developer Tool Features for Firefox 23
Another uplift has left the building and it's time to take a look at what's in Firefox Developer Tools in Firefox 23 currently Aurora, our pre-beta channel. You can download ...
189
Multi-user VR experiences with A-Frame (2017)
Salva de la Puente describes the sharedspace component he's built, which brings the power of WebRTC to A-Frame users. The component provides a collaboration model where participants can join or ...
190
Web Audio API comes to Firefox
We have been working on implementing the Web Audio API in Firefox for a while now, and we currently have basic support for the API implemented on Firefox Nightly and ...
191
An easier way of using polyfills
Polyfills are a fantastic way to enable the use of modern code even while supporting legacy browsers, but currently using polyfills is too hard, so at the FT we've built ...
192
Improving Performance in Firefox and Across the Web with Speedometer 3
Today’s Speedometer release is more open and challenging than before and is the best tool for driving browser performance improvements.
193
Gap between asm.js and native gets narrower with float32 optimizations
asm.js is a simple subset of JavaScript that is very easy to optimize, suitable for use as a compiler target from languages like C and C++. Earlier this year Firefox ...
194
Firebug 3 and Multiprocess Firefox
Firebug 3 alpha was announced couple of weeks ago. This version represents the next generation of Firebug built on top of Firefox native developer tools. There are several reasons why ...
195
A WebAssembly Milestone: Experimental Support in Multiple Browsers
WebAssembly is an emerging standard whose goal is to define a safe, portable, size- and load-time efficient binary compiler target which offers near-native performance—a virtual CPU for the Web. WebAssembly ...
196
Interop 2022
Interop 2022 is a cross-browser initiative to find and address the most important interoperability pain points on the web platform.
197
LocalForage: Offline Storage, Improved
Web apps have had offline capabilities like saving large data sets and binary files for some time. You can even do things like cache MP3 files. Browser technology can store ...
198
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 ...
199
HTML5 Mythbusting
The ongoing discussion about the readiness of HTML5 is based on a lot of false assumptions. These lead to myths about HTML5 that get uttered once and then continuously repeated ...
200
The fastest Firefox ever with Photon UI and better tooling
Firefox Quantum is now available in Developer Edition, and this Firefox is fast. Today’s release is a major milestone towards our next-generation browser, and includes Quantum CSS, Firefox's new CSS ...
201
Massive: The asm.js Benchmark
asm.js is a subset of JavaScript that is very easy to optimize. Most often it is generated by a compiler, such as Emscripten, from C or C++ code. The result ...
202
Firefox Developer Tools, Part 2: Scratchpad and Style Editor
This is part two, out of five, focusing on the built-in Developer Tools in Firefox, their features and where we are now with them. The intention is to show you ...
203
Mozilla Releases the First Browser Built for Developers
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 ...
204
Building A Paid App For Firefox OS
At first glance the Firefox Marketplace for Firefox OS may look similar to the Apple Store or Google Play Store but there is a key difference: it does not lock ...
205
New CSS Features in Firefox 68
Firefox 68 landed earlier this month with a bunch of CSS additions and changes. In this blog post Rachel Andrew takes a look at some of the things you can ...
206
PredictionIO – open source machine learning for predictive features
PredictionIO is an open source machine learning server for software developers to create predictive features, such as personalization, recommendation and content discovery. Building a production-grade engine to predict users’ preferences ...
207
I built something with A-Frame in two days
A few months ago, I had the opportunity to try out several WebVR experiences for the first time, and I was blown away by the possibilities. Using just a headset ...
208
Generational Garbage Collection in Firefox
Generational garbage collection (GGC) has now been enabled in the SpiderMonkey JavaScript engine in Firefox 32. GGC is a performance optimization only, and should have no observable effects on script ...
209
Using Neutrino to jump-start modern JavaScript development
Neutrino is a tool which brings together the best parts of the modern JavaScript toolchain with the ease of zero upfront configuration. Built to let you hit the ground running, ...
210
Firefox 71: A year-end arrival
Please welcome Firefox 71 to the stage! This time around, we have a plethora of new developer tools features including the web socket message inspector, console multi-line editor mode, log ...