[WIP] Remove performance bottleneck in active element preservation#137

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botandrose merged 2 commits intomainfrom

remove-active-element-perf-bottleneck

Sep 29, 2025

Commits on Jul 20, 2025

it turns out that Element.contains is really slow, so big perf win by precomputing the active element parent path and doing an array inclusion check instead.
botandrose-machine
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don't bother with active element preservation if the active element is <body>.
botandrose-machine
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