function deepObj(obj){
var dest={};
for(var key in obj){
if(typeof obj[key]==='object'){
dest[key]=obj[key].constructor===Array?[]:{};
deepObj(dest[key],obj[key]);
}else{
dest[key]=obj[key]
}
}
return dest;
}
var obj={name:'aa',addr:'werwer',arr:[{name12:'aa',addr12:'werwer'}]}
var des=deepObj(obj)
des.arr.name12='aaaaa'
console.log(des)
console.log(obj)
