es6 引用数组，数组发生改变（es6 引用类型的数据引用的时候怎么不改变原始数据）-白红宇

es6 引用数组，数组发生改变（es6 引用类型的数据引用的时候怎么不改变原始数据）

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发布时间：2019-03-10

本文共 158 字，大约阅读时间需要 1 分钟。

在这个问题中，我定义了一个变量requirements并在两处赋值为requ。我注意到，当requirements发生变化时，showRequirements也随之改变。这是因为数组是引用类型，它们共享同一个指针。为了解决这个问题，我决定通过使用ES6的数组展开运算符(...)来复制数组，从而确保原数据不会被影响。

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