Unverified50% confidenceSolutionExact time
CSS 动效中元素进入应使用减速曲线（ease-out），元素退出应使用加速曲线（ease-in），状态切换应使用 ease-in-out
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
Unverifiedtransition-behavior: allow-discrete causes discrete properties to switch immediately on the first frame in the entry direction and only after the last frame in the exit direction.51% similarUnverifiedUsing transition-behavior: allow-discrete allows discrete properties such as display and overlay to participate in transitions, with the jump occurring at the end of the transition rather than flashing immediately.51% similar
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