reference variable in object literal? [duplicate]

Answer 1

You could make var3 a function, and calling it will allow you to use 'this':

x= {
    v1:4,
    v2:5,
    v3:function(){return this.v1 + this.v2;}
};

alert(x.v3());

Answer 2

You can't do it in the notation you're using. An object literal doesn't have any notion of itself in this context.

Answer 3

Unfortunately, that isn't possible. While an object literal is being constructed, no external reference to that object exists until the entire literal is evaluated. The only way to use this at this stage is to use a constructor instead:

function MyObject() {
  this.var1 = 1;
  this.var2 = 2;
  this.var3 = this.var1 + this.var2;
}

myfunc(new MyObject());