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Day152:for..in 和 Object.keys 的区别 #966

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Genzhen opened this issue Oct 9, 2020 · 1 comment

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JavaScript 酷家乐

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Genzhen commented Oct 9, 2020 •

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Genzhen added JavaScript 酷家乐 labels

836334258 commented Jan 3, 2023

for..in 会便利对象和对象原型链中的可枚举属性
Object.keys 只会遍历对象可枚举属性

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