зеркало из https://github.com/mozilla/gecko-dev.git
7bd3a20ff4
See the discussion here: https://twitter.com/Rich_Harris/status/1433153204678799365 This should make attribute selectors roughly as fast as class selectors. I think it's worth trying and see if perf bots complain on micro-benchmarks and stylebench and such. I made attributes more specific than local names, but less specific than classes, which I think makes sense. When doing something like foo[data-bar], filtering by data-bar seems likely to yield less elements than filtering by foo. While at it, remove the bloom filter pref since we shipped it in bug 1704551 for 87 and we haven't heard complaints. Differential Revision: https://phabricator.services.mozilla.com/D124383 |
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