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
UnverifiedThe default interpolation rule for discrete properties is to jump after 50% of the transition has elapsed, a behavior defined in the CSS specification.79% similarUnverifiedCSS transition在设计上只支持可插值属性，display和visibility等离散属性传统上无法参与过渡74% similarUnverifiedtransition-behavior: allow-discrete是CSS Transitions Level 2提出的解决方案，允许离散属性在过渡结束的最后一帧才切换71% similarUnverifiedCSS动画可在合成线程运行，减少主线程负担71% similarUnverifiedGSAP 的 stagger 功能可让多个元素依次错开出现，是相较纯 CSS 动画的明显优势68% similar
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