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【BUG】pageScrollTo方法在h5可能造成页面卡顿 #285

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Xuew2020 opened this issue Nov 22, 2022 · 0 comments

Xuew2020 commented Nov 22, 2022 •

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Element.scrollTop接受的是一个整数，如果赋值带有小数，会截取整数部分，如下图

造成卡顿的原因：
当speed是一个比较小的值时，nextTop得出的结果与top绝对值小于1，此时设置rootElement.scrollTop后实际没变化，极端情况会在同一个值循环，导致页面卡顿。

另外，同一个元素多次触发pageScrollTo方法时是否应该先清除上一次的requestAnimationFrame？

Xuew2020 changed the title ~~pageScrollTo在h5可能造成页面卡顿~~ 【BUG】pageScrollTo方法在h5可能造成页面卡顿

Xuew2020 added a commit to Xuew2020/universal-api that referenced this issue


          fix: 修复pageScrollTo方法在h5下可能造成卡顿问题(raxjs#285)

1c99341

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