[js] 第733天说说你对hasOwnProperty的理解 #3831

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[js] 第733天说说你对hasOwnProperty的理解#3831

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第733天说说你对hasOwnProperty的理解

我也要出题

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on Apr 17, 2021

用于判断某个属性是否是对象的自有属性，而不是通过原型链继承来的

用于判断某个属性是否是对象的自有属性，而不是通过原型链继承来的

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