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滚动条事件有微小延迟问题 #30

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kentLin0 opened this issue Oct 26, 2022 · 3 comments
Open

滚动条事件有微小延迟问题 #30

kentLin0 opened this issue Oct 26, 2022 · 3 comments

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@kentLin0
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场景：用在表格body内滚动条设置，绑定了滚动事件来实时滚动header位置。
现象：表格body和header会有0.2s左右的延迟差异，不是很明显，但是注意看能看出来

分析：有没有可能是滚动动画和实际位置计算有位差导致的？
@javaLuo
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javaLuo commented Oct 27, 2022

我检查一下

@kentLin0
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这个场景是拖动左右的滚动条才会出现，看了一下源码发现是这个动画导致的，cancelAnimationFrame，把437行的左右过渡动画移除就没延迟了

@kentLin0
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这里的拖动动画说实话交互体验的提升有限，个人感觉可以去掉拖拽时候的动画

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@javaLuo @kentLin0