<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
</body>
<script>
function deepCopy(obj){
//确定入参是数组还是对象
var objArray = Array.isArray(obj) ?
[]:{};
//obj存在，且类型为对象
if(obj &&
typeof obj === 'object'
){
//遍历对象属性
for(key
in obj){
//判断对象属性是否属于自身
if(obj.hasOwnProperty(key)){
//判断obj子属性是否为对象，如果是，递归操作，否 将对象保存
if(obj[key] &&
typeof obj[key] === 'object'
){
objArray[key] =
deepCopy(obj[key])
}else{
objArray[key] =
obj[key]
}
}
}
}
return objArray;
}
var obj1 =
{
nan:1
,
bei:null,
dong:undefined,
xi:{
xinan:2
,
xibei:function(){
let b = 2
}
},
fn:function(){
let a = 1
;
},
a:[1,2
]
}
var obj2 =
deepCopy(obj1)
console.log(obj1)
obj2.xi.xinan = 5
;
console.log(obj2)
</script>
</html>
转载于:https://www.cnblogs.com/bigDipper/p/9209100.html
