@SpiderMonkeyJS

SpiderMonkey is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox, Servo and various other projects.

 @[email protected]
spidermonkey.dev
Joined March 2015
  • Tweets199
  • Following0
  • Followers2.5K
11Media
SpiderMonkey Newsletter (Firefox 106-107) spidermonkey.dev/blog/2022/1…

SpiderMonkey Newsletter (Firefox 106-107)

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 106 and 107 Nightly release...

spidermonkey.dev
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SpiderMonkey Newsletter (Firefox 104-105) (Mozilla JavasScript engine) spidermonkey.dev/blog/2022/0…

SpiderMonkey Newsletter (Firefox 104-105)

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 104 and 105 Nightly release...

spidermonkey.dev
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SpiderMonkey Newsletter (Firefox 102-103) spidermonkey.dev/blog/2022/0…

SpiderMonkey Newsletter (Firefox 102-103)

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 102 and 103 Nightly release...

spidermonkey.dev
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SpiderMonkey retweeted
yulia@codehag27 Jun 2022
Ecma International recently approved the 2022 standard of ECMAScript. But there is something new in this edition that hasn't been part of prior editions, and this isn't a new programming feature. 🧵 hacks.mozilla.org/2022/06/th…

The JavaScript Specification has a New License – Mozilla Hacks - the Web developer blog

As part of our work to ensure a free and open web, we've been working with Ecma International to write a License inspired by the W3C Document.

hacks.mozilla.org
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[Firefox JS engine] SpiderMonkey Newsletter spidermonkey.dev/blog/2022/0…

SpiderMonkey Newsletter (Firefox 98-99)

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 98 and 99 Nightly release...

spidermonkey.dev
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SpiderMonkey retweeted
Iain Ireland@Iainlreland8 Nov 2021
My team at Mozilla is hiring. Come write compilers with us! The Layout, DOM, and Media Playback teams are also looking for C++ programmers: careers.mozilla.org/position… Happy to answer questions if you're interested!
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SpiderMonkey retweeted
Firefox Beta@firefoxbeta9 Nov 2021
[JavaScript Engine] SpiderMonkey Newsletter (Firefox 94-95) spidermonkey.dev/blog/2021/1…

SpiderMonkey Newsletter (Firefox 94-95)

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 94 and 95 Nightly release...

spidermonkey.dev
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Following @codehag 's footsteps with #CompilerCompiler, this Firday 6pm CEST would be the first #ReverseEngineerSpidermonkey stream at twitch.tv/BackToTheCode. On the topic, the LifoAlloc allocator used to speed-up large number of allocations while reclaiming the memory quickly.

BackToTheCode - Twitch

Everybody can code! By reverse engineering existing code bases, we will challenge ourselves to understand what these code bases are doing.I am Nicolas B. Pierron, a compiler engineer working on...

twitch.tv
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SpiderMonkey Newsletter (Firefox 92-93) spidermonkey.dev/blog/2021/0…

SpiderMonkey Newsletter (Firefox 92-93)

SpiderMonkey is the JavaScript engine used in Mozilla Firefox. This newsletter gives an overview of the JavaScript and WebAssembly work we’ve done as part of the Firefox 92 and 93 Nightly release...

spidermonkey.dev
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I've finally setup my blog - dbezhetskov.dev/blog and there is a first post about SpiderMonkey and WASI (dbezhetskov.dev/blog/spiderm…)
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SpiderMonkey retweeted
Rob Palmer@robpalmer213 Jul 2021
ECMAScript excitement 😉 Congrats to all those who contributed to today's release of Firefox 90 🎉 ⚡ Private Fields & Methods (Stage 4) ⚡ .at() for Arrays & Strings (Stage 3) ⚡ Ergonomic Brand Checks (Stage 3) ⚡ Intl.DateTimeFormat dayPeriod option
Firefox for Web Developers
@FirefoxWebDevs13 Jul 2021
Firefox 90 is here and this update has some nice JavaScript additions!🔥🦊 ✔️ Private fields and methods are now enabled by default 🏳️‍🌈 The 2D Canvas API has a new createConicGradient 🔒 A new version of SmartBlock hacks.mozilla.org/2021/07/ge…

Getting lively with Firefox 90 – Mozilla Hacks - the Web developer blog

This release we see nice JavaScript additions, including private fields and methods for classes, String and TypedArray global objects.

hacks.mozilla.org
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Our friends @SpiderMonkeyJS implemented the Error cause proposal in Firefox 91* (github.com/tc39/proposal-err…) The WebConsole displays this new cause property in error messages (and yes, you can have a chain of Error causes 🙂) * 91 will be Beta/DevEdition later this week
screenshot of Firefox WebConsole, with a snippet throwing a new Error with a cause property. The resulting error message in the console shows the Error and another line below starting with "Caused by:" and then the error that was passed as the cause

ALT screenshot of Firefox WebConsole, with a snippet throwing a new Error with a cause property. The resulting error message in the console shows the Error and another line below starting with "Caused by:" and then the error that was passed as the cause

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Just-In-Time (JIT) compilers are used in all major JavaScript engines to improve the speed, but how do they work? At Global Scope @nbpname will help us understand the principles of JIT compilation, and so how to optimize our code. buff.ly/3dkGzhL
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Language specification can be a bit of a mystery. At Global Scope, @codehag introduces the stages of the TC39 process for introducing a new language feature to JavaScript, and some high level concerns around our design process. buff.ly/3djR3OE
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SpiderMonkey retweeted
Mathias Bynens@mathias29 Jun 2021
Replying to @littledan @SpiderMonkeyJS @luke_wagner @codehag
Honestly, hiring John Howard for any JS engine swag design is now mandatory. The BaldrMonkey t-shirt is my favorite 🔥 monkeyink.com/ink/blog/archi…
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SpiderMonkey retweeted
Rob Palmer@robpalmer222 Jun 2021
ECMAScript excitement 😉 ES2021 has been approved by the Ecma General Assembly 🎉 💡 Logical Assignment Operators (&&= ||= ??=) 💡 Numeric Separators (1_000) 💡 Promise.any & AggregateError 💡 String.prototype.replaceAll 💡 WeakRefs & FinalizationRegistry
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SpiderMonkey retweeted
JS Party 🪩@JSPartyFM18 Jun 2021
🔥 New episode of JS Party! 🔥 🗣 Of spiders and monkeys 🤩 with @codehag from @SpiderMonkeyJS ⚡️ hosted by @jerodsanto @feross 🗄️ #javascript #firefox #security #oss @tc39 💚 changelog.com/jsparty/180
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SpiderMonkey retweeted
JS Party 🪩@JSPartyFM10 Jun 2021
Today on JS Party LIVE! 🎉 @ioctaptceb joins @jerodsanto, @feross, and @b0neskull to talk all things @SpiderMonkeyJS! Join us 🔜 youtu.be/pa_ir5VPkz4
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Private fields are a language feature being added to the JavaScript language through the TC39 proposal process and will ship in Firefox 90. @mattstudies explains what private fields are and why our implementation diverges from the specification language. hacks.mozilla.org/2021/06/im…

Implementing Private Fields for JavaScript – Mozilla Hacks - the Web developer blog

Private fields are a language feature being added to the JavaScript language through the TC39 proposal process.

hacks.mozilla.org
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SpiderMonkey retweeted
JS Party 🪩@JSPartyFM26 May 2021
Up next on JS Party! 🎉 1️⃣ @ericsimons40 on @stackblitz 2️⃣ @tannerlinsley on TanStack 3️⃣ @ioctaptceb on @SpiderMonkeyJS 4️⃣ @kentcdodds on testing 5️⃣ @nickreese on ElderJS Great time to subscribe, if you haven't yet! 😉 ✨✨ jsparty.fm ✨✨
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