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Leszek Swirski Retweeted
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


https://v8.dev/blog/v8-release-80 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
I'm looking forward to it!https://twitter.com/MoreVMs/status/1206882984286179328 …
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Leszek Swirski RetweetedThanks. Twitter will use this to make your timeline better. UndoUndo
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This will save developers a *lot* of confusion. Thanks
@ChromeDevTools!https://twitter.com/ChromeDevTools/status/1196906404252209157 …
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Please let me manifest my addiction to this game in even more ways.https://twitter.com/MHablich/status/1187664855991508992 …
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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?https://youtu.be/2TMJb1iY7CU
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Leszek Swirski Retweeted
a haiku this code used to work "hey i should refactor it" now it does not work
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Leszek Swirski Retweeted
What’s new in V8 v7.8? Streaming compilation on preload, WebAssembly C API, faster object destructuring and RegExp matching, and improved startup times! https://v8.dev/blog/v8-release-78 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Leszek Swirski Retweeted
With nullish coalescing, this is now valid JavaScript: ~~!![[]]||__``&&$$++<<((""??''))**00==ಠಠ--//\\
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Leszek Swirski Retweeted
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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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":https://youtu.be/D1UJgiG4_NI
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Leszek Swirski Retweeted
(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 @v8js code caching in@ChromiumDev?@leszekswirski explains: https://v8.dev/blog/code-caching-for-devs …pic.twitter.com/vYVIPR6XmF
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Slides available here (including one I-can't-do-SI-prefixes piece of errata)https://speakerdeck.com/leszekswirski/code-caching-for-js-developers …
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I gave another talk on code caching at Skills Matter, this time with a focus on JS developers: https://skillsmatter.com/skillscasts/12178-code-caching-for-js-developers …
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I gave a talk on JavaScript code caching at BlinkOn:
33:07https://www.youtube.com/watch?v=YqHOUy2rYZ8 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Verifying myself: I am leszek on Keybase.io. T8LfXCez8VrmLvoO3F8FU8jJpAoyjVLiwzEU / https://keybase.io/leszek/sigs/T8LfXCez8VrmLvoO3F8FU8jJpAoyjVLiwzEU …
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Leszek Swirski RetweetedThanks. Twitter will use this to make your timeline better. UndoUndo
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