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danielEM
on Dec 15, 2020
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Firefox 84.0
Just did some tests on Firefox 83 and DOM reflow time grows exponentially with the depth of DOM tree. With grid elements of depth 10 single reflow takes seconds on my Ryzen laptop while on chromium is not noticable at all.
muizelaar
on Dec 15, 2020
[–]
Can you post a link to a test case?
danielEM
on Dec 16, 2020
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Did already profiling and posted a bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=1682686
https://jsfiddle.net/fuh7c894/
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