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js一个原型的问题

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js一个原型的问题

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为什么不是修改原型的name，而是在实例上添加属性呢?
首先搜索name在原型上搜索到了，然后修改值。
为什么不是跟我想的一样呢？


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赋值就是在原实例对象赋值的


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