Javascript deeply clones an object

/**
* Clone an object
* @ Param Obj
* @ Returns
*/
Function clone (Obj ){
Var buf;
If (Obj instanceof Array ){
Buf = []; // create an empty array
Var I = Obj. length;
While (I --){
Buf [I] = clone (Obj [I]);
}
Return buf; www.2cto.com
} Else if (Obj instanceof Object ){
Buf ={}; // create an empty object
For (var k in Obj) {// Add new attributes for this object
Buf [k] = clone (Obj [k]);
}
Return buf;
} Else {
Return Obj;
}
}

It is purely a recursive idea. If it is an array, one is put into an array object. If it is an object, the attributes in its object are copied. If it is a common variable, assign a value directly.

From 0 + 0 + 0 +... = 1