[Webkit-unassigned] [Bug 98982] Setting className attribute causes slow performance

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=98982

Ahmad Saleem <zlip.792 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |zlip.792 at gmail.com

--- Comment #13 from Ahmad Saleem <zlip.792 at gmail.com> ---
*** Safari 15.6 on macOS 12.5 ***

with setting className in a way that does not affect styles: 230.043ms
without setting className: 0.814ms


*** Firefox Nightly 105 ***

with setting className in a way that does not affect styles: 63ms
without setting className: 1ms

*** Chrome Canary 106 ***

with setting className in a way that does not affect styles: 276.712890625 ms
without setting className: 2.52392578125 ms

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Safari is faster than Chrome but slow than Firefox Nightly (might be due to Rust based Stylo). Might be something worth investigating. Thanks!

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