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v8js
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Google’s high-performance open source JavaScript and WebAssembly engine. Our mission: enable developers to build a faster future web.
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375
Tweets
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53
Following
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44,252
Followers
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V8
@v8js
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Jan 30 |
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WebAssembly brings SIMD support to the Web. What is it?
@dptig and @tlively52 explain and demonstrate how to use it to run native code on the Web even faster! 🔥 v8.dev/features/simd
(This feature is currently experimental and available under a flag.)
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V8
@v8js
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Dec 18 |
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V8 hits its long-awaited v8.0, now with optional chaining, nullish coalescing, faster higher-order builtins — oh and 40% less memory use thanks to pointer compression, no big deal.
h8rs gonna h8, V8ers gonna V8 🔥🔥🔥
v8.dev/blog/v8-releas…
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V8
@v8js
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Dec 18 |
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At least for some time. Imagine the gzip savings on release blog posts!
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V8
@v8js
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Dec 18 |
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V8 hits its long-awaited v8.0, now with optional chaining, nullish coalescing, faster higher-order builtins — oh and 40% less memory use thanks to pointer compression, no big deal.
h8rs gonna h8, V8ers gonna V8 🔥🔥🔥
v8.dev/blog/v8-releas…
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Mathias Bynens
@mathias
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Dec 17 |
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🔥 JavaScript regular expressions are getting more powerful!
RegExp match objects now have an `indices` array that contains the start and end positions for each capturing group.
@MayaLekova explains: v8.dev/features/regex… pic.twitter.com/1923QdMchv
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V8
@v8js
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Dec 17 |
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JavaScript is now equipped with a new regular expression enhancement!
@MayaLekova shows how it can be used for finding positions of matched groups. v8.dev/features/regex…
(This feature is available starting from V8 v7.9 behind a --harmony-regexp-match-indices flag.) pic.twitter.com/dYSYkZwSkF
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Surma
@DasSurma
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Dec 3 |
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Reminder: You have til Monday to apply for a ticket or put in a talk for #wasmsummit on February 10th in Mountain View, CA!
👇
webassembly-summit.org
👆
(Massive shoutout to @ag_dubs, @torch2424 and @ttraenkler for building the website.) pic.twitter.com/LkprTfEsPI
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V8
@v8js
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Nov 26 |
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👩💻 We are excited to get this rolling! 👨💻
🎥 In case you miss it: There will be live streams and recordings too. twitter.com/ag_dubs/status…
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Mathias Bynens
@mathias
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Nov 23 |
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🚀 For large JSON-compatible objects, JSON.parse is faster than JS object literals.
➡️ True for all browser JavaScript engines!
➡️ Speed-ups from 1.2× to 2×
🎥 My #ChromiumDevSummit lightning talk explains why: youtube.com/watch?v=ff4fgQ…
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V8
@v8js
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Nov 21 |
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Emscripten now supports a standalone mode, to better serve the various ways WebAssembly is being used outside of the Web. It enables building and using Wasm modules even in runtimes without JavaScript support. v8.dev/blog/emscripte…
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V8
@v8js
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Nov 20 |
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🔥 What’s new in V8 v7.9? Faster API getters, number representation transitions and repeated on-stack replacements (OSR); more Wasm modules per process with reduced initial memory consumption. v8.dev/blog/v8-releas…
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Chrome DevTools
@ChromeDevTools
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Nov 19 |
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DevTools now shows how @v8js saves time through streaming compilation, by taking advantage of the wait time for loading JS. Also see v8.dev/blog/backgroun… pic.twitter.com/G2RnBQfvJP
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Mathias Bynens
@mathias
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Nov 11 |
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Replacing all occurrences of a substring with another string is a common operation.
Unfortunately, doing this correctly is surprisingly hard in JavaScript. 🤯
The new String.prototype.replaceAll API is here to help! 🎉
v8.dev/features/strin… pic.twitter.com/zzwqmXQD91
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V8
@v8js
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Nov 11 |
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JavaScript gains first-class support for global substring replacement! 🔥
@mathias explains the new String.prototype.replaceAll API: v8.dev/features/strin…
(V8 v8.0 has an experimental implementation behind the --harmony-string-replaceall flag.)
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Chrome DevTools
@ChromeDevTools
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Nov 8 |
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Initial DWARF support has landed in Chrome DevTools!
It means that you can resolve stack traces, set breakpoints and step-in/-over source code in C/C++/Rust natively, without generating source maps. pic.twitter.com/s3IwkJV6Tr
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Chrome DevTools
@ChromeDevTools
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Nov 7 |
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Rerunning code that declare let-variables no longer cause failures in DevTools console. We hope this makes trying out code more convenient! pic.twitter.com/qNagdQlb5v
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Chrome DevTools
@ChromeDevTools
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Nov 8 |
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What looks like a small change involved a lot of thoughts. We explored design options (bit.ly/2JWWZ1l), and worked with the @v8js team to implement (bit.ly/2NrQp4U).
twitter.com/ChromeDevTools…
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V8
@v8js
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Oct 8 |
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🚀 Top-level await makes it possible to use the `await` keyword outside of async functions in JavaScript modules!
@mylesborins explains: v8.dev/features/top-l… pic.twitter.com/kB7u7ZFGiq
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V8
@v8js
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Oct 7 |
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Let's [not] keep you in the dark anymore... Introducing dark mode for v8.dev!
By default we're going to display the blog according to your system theme, but feel free to override the preference using a toggle in the footer. (h/t @tomayac) pic.twitter.com/67rH8su3yU
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V8
@v8js
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Oct 4 |
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🔥 Regular expressions just got faster *and* more memory-efficient in V8: v8.dev/blog/regexp-ti… pic.twitter.com/tWNK7YQr3t
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