V8Ovjeren akaunt

@v8js

Google’s high-performance open source JavaScript and WebAssembly engine. Our mission: enable developers to build a faster future web.

Vrijeme pridruživanja: srpanj 2017.

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  1. prije 22 sata

    Understanding the ECMAScript spec, part 1: In this article, explains how JavaScript built-ins are specified, and how to make sense of the spec text. 🔥

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  2. 30. sij

    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.)

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  3. proslijedio/la je Tweet
    18. pro 2019.

    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 🔥🔥🔥

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  4. 18. pro 2019.

    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 🔥🔥🔥

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  5. proslijedio/la je Tweet

    🔥 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:

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  6. 17. pro 2019.

    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.)

    Screenshot of the getVariablePosition example from the article.
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  7. proslijedio/la je Tweet
    3. pro 2019.

    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.)

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  8. 26. stu 2019.

    👩‍💻 We are excited to get this rolling! 👨‍💻 🎥 In case you miss it: There will be live streams and recordings too.

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  9. proslijedio/la je Tweet

    🚀 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:

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  10. 21. stu 2019.

    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.

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  11. 20. stu 2019.

    🔥 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.

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  12. proslijedio/la je Tweet

    DevTools now shows how saves time through streaming compilation, by taking advantage of the wait time for loading JS. Also see

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  13. proslijedio/la je Tweet

    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! 🎉

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  14. 11. stu 2019.

    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.)

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  15. proslijedio/la je Tweet

    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.

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  16. proslijedio/la je Tweet

    Rerunning code that declare let-variables no longer cause failures in DevTools console. We hope this makes trying out code more convenient!

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  17. proslijedio/la je Tweet

    What looks like a small change involved a lot of thoughts. We explored design options (), and worked with the team to implement ().

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  18. 8. lis 2019.

    🚀 Top-level await makes it possible to use the `await` keyword outside of async functions in JavaScript modules! explains:

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  19. 7. lis 2019.

    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 )

    Screenshot of the blog when light theme is chosen system-wide
    Screenshot of the blog when dark theme is chosen system-wide
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  20. 4. lis 2019.

    🔥 Regular expressions just got faster *and* more memory-efficient in V8:

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