javascript variable reference/alias

javascript

Solution

In JavaScript, primitive types such as integers and strings are passed by value whereas objects are passed by reference. So in order to achieve this you need to use an object:

// declare an object with property x
var obj = { x: 1 };
var aliasToObj = obj;
aliasToObj.x ++;
alert( obj.x ); // displays 2

Problem

Is it possible in javascript to assign an alias/reference to a local var someway? I mean something C-like: ``` function foo() { var x = 1; var y = &x; y++; alert(x); // prints 2 } ``` = EDIT = Is it possible to alias arguments.callee in this code?: ``` function foo() { arguments.callee.myStaticVar = arguments.callee.myStaticVar || 0; arguments.callee.myStaticVar++; return arguments.callee.myStaticVar; } ```

Original source