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mathias's profile
Mathias Bynens
Mathias Bynens
Mathias Bynens
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@mathias

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Mathias BynensVerified account

@mathias

I work on @ChromeDevTools & @v8js at Google and on ECMAScript through TC39. ♥ JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.

Munich, Germany
mths.be
Joined January 2007

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    Mathias Bynens‏Verified account @mathias 23 Oct 2017
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    🎉 Promise.prototype.finally ships in Chrome 63! https://developers.google.com/web/updates/2017/10/promise-finally …pic.twitter.com/KY5h3WmRQW

    6:49 AM - 23 Oct 2017
    • 362 Retweets
    • 745 Likes
    • Scala Briefly Rafaell Almeida (at home 🏠) Vladimir Rodkin Luis Custodio Lucas Azzola Bhavesh Ivan Pandžić Joel Zipkin Juampi Orlando
    14 replies 362 retweets 745 likes
      1. Mathias Bynens‏Verified account @mathias 23 Oct 2017
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        Hot take: Promise.prototype.finally should never be used. Use async/await + try/finally instead.pic.twitter.com/O4TDmwQhIe

        14 replies 71 retweets 178 likes
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      2. Marius Mocanu‏ @MariusMocanu4 23 Oct 2017
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        Replying to @mathias

        Hmm.. simply because you think async await is better is not an argument... can you be more explicit ?

        1 reply 0 retweets 1 like
      3. Mathias Bynens‏Verified account @mathias 23 Oct 2017
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        Replying to @MariusMocanu4

        Mathias Bynens Retweeted Mathias Bynens

        The link in the article explains it.https://twitter.com/mathias/status/922462717109092352 …

        Mathias Bynens added,

        Mathias BynensVerified account @mathias
        Replying to @broncha
        It boils down to the fact that `async` and `await` are strictly better than vanilla promises. https://mathiasbynens.be/notes/async-stack-traces …
        1 reply 0 retweets 1 like
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      2. Ahmad Bamieh‏ @AhmadBamieh 27 Oct 2017
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        Replying to @mathias

        Not so exciting, this feature is completely replaceable by adding another `.then` at the end.

        2 replies 0 retweets 1 like
      3. Mathias Bynens‏Verified account @mathias 27 Oct 2017
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        Replying to @AhmadBamieh

        That’s not entirely accurate. In the code example, consider what happens if `elements` is `undefined`.

        1 reply 0 retweets 1 like
      4. 1 more reply
      1. 𝗚aëtan 𝗥𝗘naudeau‏ @greweb 23 Oct 2017
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        Replying to @mathias

        finally!

        0 replies 0 retweets 6 likes
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      2. Ingvar Stepanyan‏ @RReverser 23 Oct 2017
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        Replying to @mathias

        This example might be not very representative since `finally` in this context is equal by functionality to `then`.

        1 reply 0 retweets 4 likes
      3. Boris Letocha‏ @BorisLetocha 23 Oct 2017
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        Replying to @RReverser @mathias

        Even when element would be undefined?

        1 reply 0 retweets 2 likes
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      1. mika‏ @OH_NOES 23 Oct 2017
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        Replying to @mathias @v8js

        finally!

        0 replies 0 retweets 3 likes
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      2. Eduard Urbach  💻‏ @eduardurbach 23 Oct 2017
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        Replying to @mathias

        If you place a .then() after the final .catch() it's effectively the same as .finally() and works in all major browsers.

        1 reply 0 retweets 3 likes
      3. justjavac‏ @justjavac 24 Oct 2017
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        Replying to @eduardurbach @mathias

        then() and finally() are difference. The function you pass to catch() could also throw, so the following then() would not be called.

        1 reply 0 retweets 0 likes
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