fix(Sticky): fix sticky wrap empty #5325
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landluck
reviewed
Apr 18, 2023
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| observeWrap() { | ||
| // 如果子元素没有内容了 高度为0 取消掉fixed | ||
| const observer = wx.createIntersectionObserver(this); |
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两个问题
- 监听需要在组件卸载时回收
- 有没有更好的办法，监听回调在滚动时是否会触发？需要考虑一定的性能问题
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#5243
通过监听wrap的高度进行取消fix和高度置0的操作