Chenng
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Chenng
ES10 arr.flat(Infinity);
> 楼主,我刚试了一下**第三个**例子,好像是渲染了两次: > ![image](https://user-images.githubusercontent.com/10286518/42731584-aa0eb866-8842-11e8-83ce-aa896971e9b5.png) > 我用的chrome 67.0.3396.99 > 而且你的截图好像只截了setTimeout1,没有setTimeout2? 是的,我测试的时候也是两次
https://marketplace.visualstudio.com/items?itemName=akamud.vscode-theme-onelight
pretty common case...