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V2EX  ›  cj97  ›  全部回复第 1 页 / 共 1 页
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2021 年 1 月 22 日
回复了 px920906 创建的主题 JavaScript js 如何深拷贝一个函数?
浅复制,深复制同理
```
const fn = () => 1;
fn.a = 2;
fn.f = () => 3;
const obj = Object.assign({}, fn);
const cloneFn = fn.bind();
Object.keys(obj).forEach(key => { cloneFn[key] = obj[key] })
```
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