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@ChromeDevTools

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Joined November 2014

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  1. Pinned 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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  2. Retweeted
    Jan 31

    👋 Come and work with us on ! We're specifically looking for frontend engineers with a passion for building developer tooling. 👩‍🔧

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  3. Retweeted

    Tip: has a Shadow Editor built in!

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  4. Retweeted
    Jan 17

    It's out! Making images lazy load with Chrome DevTools - I'm planning to make more videos in the next few weeks, what would you like to see?

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  5. Retweeted

    Puppeteer v2.1.0 is out! 🔥 ➡️ Chromium 80 ➡️ puppeteer.launch({product: 'firefox'}) Puppeteer can now talk to a real, unpatched Firefox binary. You no longer need to install puppeteer-firefox separately!

    `puppeteer.launch` now accepts a `product` option which can be set to `'firefox'`.
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  6. In collaboration with Mozilla, we’re proud to announce Puppeteer v2.1.0! 🔥 The new version works with Chromium 80 and now supports official Firefox binaries as well.

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  7. Retweeted
    Jan 23

    We are migrating to and found some blockers. Very pleased to see quick resolution and fixes in the TypeScript compiler, making future JS -> TS easier! Hopefully we can provide guidance when we are finished, for others who want to do the same.

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  8. Chrome DevTools is based on web technologies - it's a web app! You can make changes to make your own flavor of DevTools, without building the rest of Chrome

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  10. Chrome DevTools is getting better at debugging WebAssembly! By using DWARF debugging metadata, we now support: ➡️ native source mapping ➡️ debug breakpoints ➡️ useful stack traces This is just a first step towards a good Wasm debugging experience.

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  11. What’s new in DevTools in Chrome 80? ↳ let and class redeclarations in Console ↳ improvements to WebAssembly debugging, code coverage, Audit & Network panels

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  12. Retweeted
    2 Dec 2019

    Meet Simon , one of Googles rising Stars. Simon is part of and will be speaking about innovations in "Chrome Developer Tools" at Be Quick to register and learn about future of using Chrome

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  13. Retweeted

    The WebAssembly Summit 2020 now has a website, where you can apply for tickets, find our Code of Conduct and can keep up with future updates for the event! 👉 Remember: Application deadline is December 9th, 2019!

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  14. Ever wondered how to break on Array.prototype.sort, but only if every element in the array is a hiragana character?

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  15. Retweeted
    28 Nov 2019
    Replying to and

    Pro-tip: if the function is still on the stack, select the stack frame to see the stack locals.

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  16. Retweeted
    29 Nov 2019

    Last year before December I've realized I have so many tips on I could share new ones every day for a month, so I put together an Advent Calendar on just this topic () This year I want to continue the tradition, with some adjustments: [1/3]

    Show this thread
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  17. Did you try this yet? Enable the experiment called "Record coverage while performance tracing".

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  18. Emulate `prefers-color-scheme: dark` from DevTools either from the Rendering drawer, or from the Command Menu (Ctrl/Cmd + Shift + P)

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  19. 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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  20. Bear in mind that this should "just work" with native compilers, but on the tooling side DWARF support is still in progress. For example, Emscripten (Binaryen) and wasm-bindgen don't support updating DWARF after transformations, so they won't benefit from this integration yet.

    Show this thread
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  21. 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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