Twitter | Search | |
V8
Google’s high-performance open source JavaScript and WebAssembly engine. Our mission: enable developers to build a faster future web.
375
Tweets
53
Following
44,252
Followers
Tweets
V8 Jan 30
WebAssembly brings SIMD support to the Web. What is it? and explain and demonstrate how to use it to run native code on the Web even faster! 🔥 (This feature is currently experimental and available under a flag.)
Reply Retweet Like
V8 retweeted
V8 Dec 18
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 🔥🔥🔥
Reply Retweet Like
V8 Dec 18
Replying to @protagorist
At least for some time. Imagine the gzip savings on release blog posts!
Reply Retweet Like
V8 Dec 18
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 🔥🔥🔥
Reply Retweet Like
V8 retweeted
Mathias Bynens Dec 17
🔥 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. explains:
Reply Retweet Like
V8 Dec 17
JavaScript is now equipped with a new regular expression enhancement! shows how it can be used for finding positions of matched groups. (This feature is available starting from V8 v7.9 behind a --harmony-regexp-match-indices flag.)
Reply Retweet Like
V8 retweeted
Surma Dec 3
Reminder: You have til Monday to apply for a ticket or put in a talk for on February 10th in Mountain View, CA! 👇 👆 (Massive shoutout to , and for building the website.)
Reply Retweet Like
V8 Nov 26
👩‍💻 We are excited to get this rolling! 👨‍💻 🎥 In case you miss it: There will be live streams and recordings too.
Reply Retweet Like
V8 retweeted
Mathias Bynens Nov 23
🚀 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 lightning talk explains why:
Reply Retweet Like
V8 Nov 21
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.
Reply Retweet Like
V8 Nov 20
🔥 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.
Reply Retweet Like
V8 retweeted
Chrome DevTools Nov 19
DevTools now shows how saves time through streaming compilation, by taking advantage of the wait time for loading JS. Also see
Reply Retweet Like
V8 retweeted
Mathias Bynens Nov 11
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! 🎉
Reply Retweet Like
V8 Nov 11
JavaScript gains first-class support for global substring replacement! 🔥 explains the new String.prototype.replaceAll API: (V8 v8.0 has an experimental implementation behind the --harmony-string-replaceall flag.)
Reply Retweet Like
V8 retweeted
Chrome DevTools Nov 8
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.
Reply Retweet Like
V8 retweeted
Chrome DevTools Nov 7
Rerunning code that declare let-variables no longer cause failures in DevTools console. We hope this makes trying out code more convenient!
Reply Retweet Like
V8 retweeted
Chrome DevTools Nov 8
What looks like a small change involved a lot of thoughts. We explored design options (), and worked with the team to implement ().
Reply Retweet Like
V8 Oct 8
🚀 Top-level await makes it possible to use the `await` keyword outside of async functions in JavaScript modules! explains:
Reply Retweet Like
V8 Oct 7
Let's [not] keep you in the dark anymore... Introducing dark mode for ! 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 )
Reply Retweet Like
V8 Oct 4
🔥 Regular expressions just got faster *and* more memory-efficient in V8:
Reply Retweet Like