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多Tab导航栏，如果先把每个tab的list渲染完，切换tab时，首屏cell无法触发appear事件 #36

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lshnltt opened this issue Oct 12, 2019 · 0 comments
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多Tab导航栏，如果先把每个tab的list渲染完，切换tab时，首屏cell无法触发appear事件 #36

lshnltt opened this issue Oct 12, 2019 · 0 comments

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@lshnltt
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lshnltt commented Oct 12, 2019

多tab页面，如果进入页面把所有的tab的list（部分为空）都展示的话，则所有的list在首次进入会触发mounted事件，导致appearWatched最终指向最后一个tab下的list，这样切换到其他tab时，新增cell会触发对应list的updated周期函数，调用debouncedWatchAppear方法，由于appearWatched指向最后一个tab下的list，此时最后一个tab的list没有数据，无法触发其他tab下list内元素的appear事件
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