Unverified50% confidenceSolutionExact time
transition-behavior: allow-discrete使离散属性在进场方向第一帧立即切换、在退场方向最后一帧完成后才切换
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
纯CSS实现Popover弹层:无需JavaScript的原生方案
youtubeKevin Powell7/1/2026
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