<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>深拷贝</title>
</head>
<body>
<script>
var isArray = function (object) {
return object && typeof object === 'object' && object.constructor === Array;
}
var deepCopy2=function (obj) {
var result=obj.constructor===Object?{}:[];
for(key in obj){
if(!obj.hasOwnProperty(key))continue;//防止遍历原型上的属性
if( typeof obj[key]==='object'){
result[key]=deepCopy2(obj[key]);
}
else{
result[key]=obj[key];
}
}
return result;
};
var x = {
a: 1,
b: ["a","b","c",{"key":"value"}]
};
var arr=["a","bb","cc",["wo","shi","haoren"]];
var arr2=deepCopy2(arr);
var arr3=deepCopy2(arr);
arr2[0]="A";
</script>
</body>
</html>
