I'm not sure how much of a user-facing perf impact this would actually have, since no-op `width`/`height` animations should be relatively cheap;I guess the wakeups themselves just keep the CPU briefly-but-frequently active. So presumably there are some power savings to be had from keeping the main-thread quiet here. --> Adding `power` keyword.
Bug 2000047 Comment 4 Edit History
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I'm not sure how much of a user-facing perf impact this would actually have, since no-op `width`/`height` animations should be relatively cheap; I guess the wakeups themselves just keep the CPU briefly-but-frequently active. So presumably there are some power savings to be had from keeping the main-thread quiet here. --> Adding `power` keyword.