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[vue] 60. vue 在什么情况下在数据发生改变的时候不会触发视图更新 #451

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qiilee opened this issue Oct 9, 2019 · 0 comments

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qiilee commented Oct 9, 2019 •

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答案：

v-for 遍历的数组，当数组内容使用的是 arr[0].xx =xx 更改数据，vue 无法监测到
vm.arr.length = newLength 也是无法检测的到的

qiilee added the VUE label

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