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  1. Retweeted
    18 Dec 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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  2. 17 Dec 2019
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  3. Retweeted
    5 Dec 2019

    New! Cassetteboy vs Boris Johnson

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  4. 19 Nov 2019

    This will save developers a *lot* of confusion. Thanks !

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  5. 25 Oct 2019

    Please let me manifest my addiction to this game in even more ways.

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  6. 24 Oct 2019

    You might remember the Time-to-Shakira metric I introduced at BlinkOn to demonstrate Chrome/V8's Facebook loading time improvements, but have you ever wondered how that metric improved on, say, Google Sheets?

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  7. Retweeted
    10 Oct 2019

    a haiku this code used to work "hey i should refactor it" now it does not work

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  8. Retweeted
    27 Sep 2019

    🔥 What’s new in V8 v7.8? Streaming compilation on preload, WebAssembly C API, faster object destructuring and RegExp matching, and improved startup times!

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  9. Retweeted
    18 Sep 2019

    With nullish coalescing, this is now valid JavaScript: ~~!![[]]||__``&&$$++<<((""??''))**00==ಠಠ--//\\

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  10. Retweeted
    1 Jun 2019

    Javascript is a viable candidate for a universal standard for programming languages because, like English, it is confusing and inconsistent and no one knows why we went with it in the first place.

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  11. 26 Apr 2019

    Shout outs to , , and others for whom I don't have a Twitter handle.

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  12. 26 Apr 2019

    For you JS loading performance fans, I gave a talk on our past, present and planned work on streaming compilation and parser performance, letting us reduce JS parse/compile time down to "zero":

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  13. Retweeted
    8 Apr 2019

    🔥 (Byte)code caching reduces the start-up time of commonly visited websites by caching the result of JavaScript parsing + compilation. How can JavaScript developers get the most out of code caching in ? explains:

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  14. 21 Sep 2018

    Slides available here (including one I-can't-do-SI-prefixes piece of errata)

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  15. 21 Sep 2018

    I gave another talk on code caching at Skills Matter, this time with a focus on JS developers:

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  16. 14 May 2018

    I gave a talk on JavaScript code caching at BlinkOn: ▶ 33:07

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  17. 20 Apr 2016

    Verifying myself: I am leszek on Keybase.io. T8LfXCez8VrmLvoO3F8FU8jJpAoyjVLiwzEU /

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  18. Retweeted
    5 Jul 2013
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