Unverified50% confidenceFactExact time
CSS规范定义离散属性在过渡中的插值行为为：动画进度0%到49.9%时保持起始值，50%时跳变为终止值；但display: none的跳变被延迟到100%
1
Sources
50%
Confidence
Long-term
Relevance
8/13/2026
First Seen
Sources
Related Claims
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