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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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    1. Thomas Steiner‏ @tomayac 21 Nov 2019
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      Given yesterday's `prefers-color-scheme` SVG favicon findings and triggered by @ppparshekar's question, I tried an SVG animation favicon, which doesn't work (yet?). Only the first frame is drawn, but the animation itself doesn't play. Demo: https://animated-svg-favicon.glitch.me/ . https://twitter.com/ppparshekar/status/1197357418071515138 …pic.twitter.com/h5V8vGnmQM

      Animated SVG favicon only displaying the first frame of the animation.
      2 replies 1 retweet 8 likes
    2. Mr.doob‏ @mrdoob 21 Nov 2019
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      Replying to @tomayac @ppparshekar

      With SMIL or with JavaScript?

      1 reply 0 retweets 0 likes
    3. Thomas Steiner‏ @tomayac 21 Nov 2019
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      Replying to @mrdoob @ppparshekar

      Just a regular CSS animation. https://animated-svg-favicon.glitch.me/icon.svg 

      1 reply 0 retweets 1 like
    4. Mr.doob‏ @mrdoob 21 Nov 2019
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      Replying to @tomayac @ppparshekar

      It'll be funny if SMIL works 🤓 (because Chrome tried to deprecate it)

      1 reply 0 retweets 0 likes
    5. Thomas Steiner‏ @tomayac 21 Nov 2019
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      Replying to @mrdoob @ppparshekar

      Just remix my demo and keep us posted :-) I suspect it won’t work.

      1 reply 0 retweets 1 like
    6. Mr.doob‏ @mrdoob 21 Nov 2019
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      Replying to @tomayac @ppparshekar

      Yeah. Me neither. They'd have had to add a rendering loop intentionally...

      1 reply 0 retweets 0 likes
    7. Mr.doob‏ @mrdoob 21 Nov 2019
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      Replying to @mrdoob @tomayac @ppparshekar

      Just tested. SMIL doesn't work in the favicon, and seems like Chrome no longer executes JS inside SVGs when embedded (no idea if it ever did). https://cdn.glitch.com/b26e78a7-b553-48df-b00e-05705641fa7d%2Ficon.svg …

      2 replies 0 retweets 2 likes
      Mathias Bynens‏Verified account @mathias 22 Nov 2019
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      Replying to @mrdoob @tomayac @ppparshekar

      It would be a massive web security issue if images (incl. <img src=foo> but also favicons) would be able to run script 😱 The HTML spec covers this here: “User agents must not run executable code (e.g. scripts) embedded in the image resource.” — https://html.spec.whatwg.org/multipage/images.html#images-processing-model …

      3:43 AM - 22 Nov 2019
      • 4 Likes
      • Eric Lawrence 🎻 Steven Pritesh Liam Newmarch 🤖
      2 replies 0 retweets 4 likes
        1. New conversation
        2. Thomas Steiner‏ @tomayac 22 Nov 2019
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          Replying to @mathias @mrdoob @ppparshekar

          I wonder why anyone thought global scope for SVG <script> was a good idea: “Any functions defined within any ‘script’ element have a "global" scope across the entire current document.”—https://svgwg.org/svg2-draft/interact.html#ScriptElement …

          1 reply 0 retweets 2 likes
        3. Mr.doob‏ @mrdoob 22 Nov 2019
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          Replying to @tomayac @mathias @ppparshekar

          I thought it was cool when I found a svg once that had a pong game inside. I also found once one that had a 3d cube being generated every frame.

          1 reply 0 retweets 1 like
        4. 4 more replies
        1. Mr.doob‏ @mrdoob 22 Nov 2019
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          Replying to @mathias @tomayac @ppparshekar

          Makes sense. Thanks!

          0 replies 0 retweets 1 like
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