Standardizing WASI: A system interface to run WebAssembly outside the web – Mozilla Hacks - the Web developer blog
Standardizing WASI: A system interface to run WebAssembly outside the web Today, we announce the start of a new standardization effort — WASI, the WebAssembly system interface. Why: Developers are starting to push WebAssembly beyond the browser, because it provides a fast, scalable, secure way to run the same code across all machines. But we don’t yet have a solid foundation to build upon. Code ou
Fast, Bump-Allocated Virtual DOMs with Rust and Wasm – Mozilla Hacks - the Web developer blog
Fast, Bump-Allocated Virtual DOMs with Rust and Wasm Dodrio is a virtual DOM library written in Rust and WebAssembly. It takes advantage of both Wasm’s linear memory and Rust’s low-level control by designing virtual DOM rendering around bump allocation. Preliminary benchmark results suggest it has best-in-class performance. Background Dodrio from a User’s Perspective Internal Design Preliminary Be
Announcing a New Management Structure for Ecma TC39 – Mozilla Hacks - the Web developer blog
Author’s note: You might have noticed that the name of the author appears in this article in the third person. Hi, I’m an engineer at Mozilla working on the Firefox DevTools server. I’m also a TC39 representative. I don’t usually write about myself in the 3rd person. In 2019, Ecma’s TC39 (the standardizing body behind JavaScript/ECMAScript) will be trying something new. The committee has grown in
WebAssembly's post-MVP future: A cartoon skill tree - Mozilla Hacks - the Web developer blog
People have a misconception about WebAssembly. They think that the WebAssembly that landed in browsers back in 2017—which we called the minimum viable product (or MVP) of WebAssembly—is the final version of WebAssembly. I can understand where that misconception comes from. The WebAssembly community group is really committed to backwards compatibility. This means that the WebAssembly that you creat
JavaScript to Rust and Back Again: A wasm-bindgen Tale – Mozilla Hacks - the Web developer blog
Recently we’ve seen how WebAssembly is incredibly fast to compile, speeding up JS libraries, and generating even smaller binaries. We’ve even got a high-level plan for better interoperability between the Rust and JavaScript communities, as well as other web programming languages. As alluded to in that previous post, I’d like to dive into more detail about a specific component, wasm-bindgen. Today
Entering the Quantum Era—How Firefox got fast again and where it’s going to get faster – Mozilla Hacks - the Web developer blog
Thanks! Please check your inbox to confirm your subscription. If you haven’t previously confirmed a subscription to a Mozilla-related newsletter you may have to do so. Please check your inbox or your spam filter for an email from us. bornjre i developer edition about two weeks ago loved ui but after some time my laptop fan went nuts, i was running only two tabs (one being youtube) and nothing much
The Next Generation of Web Gaming – Mozilla Hacks - the Web developer blog
Over the last few years, Mozilla has worked closely with other browsers and the industry to advance the state of games on the Web. Together, we have enabled developers to deploy native code on the web, first via asm.js, and then with its successor WebAssembly. Now available in Firefox and Chrome, and also soon in Edge and WebKit, WebAssembly enables near-native performance of code in the browser,
A cartoon intro to WebAssembly – Mozilla Hacks - the Web developer blog
WebAssembly is fast. You’ve probably heard this. But what is it that makes WebAssembly fast? In this series, I want to explain to you why WebAssembly is fast. Wait, so what is WebAssembly? WebAssembly is a way of taking code written in programming languages other than JavaScript and running that code in the browser. So when people say that WebAssembly is fast, what they are comparing it to is Java
A cartoon intro to ArrayBuffers and SharedArrayBuffers – Mozilla Hacks - the Web developer blog
This is the 2nd article in a 3-part series: A crash course in memory management A cartoon intro to ArrayBuffers and SharedArrayBuffers Avoiding race conditions in SharedArrayBuffers with Atomics In the last article, I explained how memory-managed languages like JavaScript work with memory. I also explained how manual memory management works in languages like C. Why is this important when we’re tal
WebGL Off the Main Thread – Mozilla Hacks - the Web developer blog
We’re happy to announce WebGL in Web Workers in Firefox 44+! Using the new OffscreenCanvas API you can now create a WebGL context off of the main thread. To follow along, you’ll need a copy of Firefox 44 or newer (currently Firefox Developer Edition or Firefox Nightly). You’ll have to enable this API by navigating to about:config in Firefox, searching for gfx.offscreencanvas.enabled, and setting i
Introducing debugger.html – Mozilla Hacks - the Web developer blog
debugger.html is a modern JavaScript debugger from Mozilla, built as a web application with React and Redux. This project was started early this year in an effort to replace the current debugger within the Firefox Developer Tools. Also, we wanted to make a debugger capable of debugging multiple targets and functioning in a standalone mode. Currently, debugger.html can connect to and debug Firefox,
How fast are web workers? – Mozilla Hacks - the Web developer blog
The next version of Firefox OS, the mobile operating system, will unleash the power of devices by taking full advantage of their multi-core processors. Classically, JavaScript has been executed on a single thread, but web workers offer a way to execute code in parallel. Doing so frees the browser of anything that may get in the way of the main thread so that it can smoothly animate the UI. A brief
Introducing node-firefox – Mozilla Hacks - the Web developer blog
NOTE: we presented this project last Sunday at FOSDEM, but not everyone could make it to Brussels, so here’s a post explaining what node-firefox is and how can it help you superturbocharge your Firefox OS app development! At Mozilla we’re always looking for ways in which we can make developers’ lives easier. When aspiring app developers told us that it was cumbersome to get started writing Open We
The Visibility Monitor supported by Gaia – Mozilla Hacks - the Web developer blog
With the booming ultra-low-price device demands, we have to more carefully calculate about each resource of the device, such as CPU, RAM, and Flash. Here I want to introduce the Visibility Monitor which has existed for a long time in Gaia. Origin The Visibility Monitor originated from the Gallery app of Gaia and appeared in Bug 809782 (gallery crashes if too many images are available on sdcard) fo
Building Interactive HTML5 Videos – Mozilla Hacks - the Web developer blog
The HTML5 <video> element makes embedding videos into your site as easy as embedding images. And since all major browsers support <video> since 2011, it’s also the most reliable way to get your moving pictures seen by people. A more recent addition to the HTML5 family is the <track> element. It’s a sub-element of <video>, intended to make the video timeline more accessible. Its main use case is ad
Using the Fullscreen API in web browsers – Mozilla Hacks - the Web developer blog
Thanks! Please check your inbox to confirm your subscription. If you haven’t previously confirmed a subscription to a Mozilla-related newsletter you may have to do so. Please check your inbox or your spam filter for an email from us. Rodrigo Ayala Excellent!, I didn’t know anything about this feature, a great functionality to show fullscreen videos or play cool games using the whole screen. Note:
Optimizing your JavaScript game for Firefox OS – Mozilla Hacks - the Web developer blog
When developing on a quad core processor with 16 gigabytes of RAM you can easily forget to consider how it will perform on a mobile device. This article will detail some best practices and things to consider for moving a game to Firefox OS or any similar hardware target. Making the best of 256 Mb RAM/800 Mhz CPU There are many areas of focus to keep in mind while developing a game. When your goal
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