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JS深浅拷贝
2022-06-12 20:29:00 【站在桥上烤冷面】
浅拷贝:如果要拷贝的是基本数据类型，则浅拷贝可以实现。如果是引用类型的数据，浅拷贝只是实现了对内存地址的引用，修改原数据，会影响拷贝的数据。
深拷贝:实现了对数据和内存地址的拷贝，相当于重新开辟了空间存储数据和内存地址。
如何实现深拷贝:1.将对象通过json.stringfy转化为字符串,赋值给新变量,再将该新变量通过json.parse转为对象;
2.递归实现
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