let obj={
arr:[1,{
aaa:'aaa'
},3]
}
let deepCopyObject=function(obj){
switch(['[object Object]', '[object Array]'].indexOf(Object.prototype.toString.call(obj))){
case 0:
obj={...obj}
break
case 1:
obj=[...obj]
break
default:return obj
}
for(let item in obj){
obj[item]=deepCopyObject(obj[item])
}
return obj
}
let object=deepCopyObject(obj)
object.arr[1].aaa='bbb'
console.log(obj)
console.log(object)
对象或数组的深度克隆
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转载自blog.csdn.net/yimawujiang/article/details/87883196
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