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fix: 深拷贝考虑Set类型 #412

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fix: 深拷贝考虑Set类型 #412

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5 changes: 5 additions & 0 deletions docs/JavaScript/copy.md
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Original file line number Diff line number Diff line change
Expand Up @@ -182,6 +182,11 @@ function deepClone(obj, hash = new WeakMap()) {
if (obj === null) return obj; // 如果是null或者undefined我就不进行拷贝操作
if (obj instanceof Date) return new Date(obj);
if (obj instanceof RegExp) return new RegExp(obj);
if (obj instanceof Set) return new Set(obj);
// 以上三个例子可以合并
// if (obj instanceof Date || obj instanceof RegExp || obj instanceof Set) {
// return new obj.constructor()
// }
// 可能是对象或者普通的值 如果是函数的话是不需要深拷贝
if (typeof obj !== "object") return obj;
// 是对象的话就要进行深拷贝
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