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by londons_explore
2211 days ago
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Tab sharing has code deep into the Blink rendering engine... To the extent that it's actually possible to share a specific <div> or other HTML element, even if it isn't visible! (Not sure if you can do that from javascript, but you can totally do it from C++) The side effects seems to be that a bunch of the code that prevents the same thing being re-rendered with every frame if it hasn't changed gets bypassed, and I'd bet that kills performance. |
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