Subj : Re: obtaining a parent value in javascript object notation
To   : Mark Turansky
From : Brendan Eich
Date : Fri May 20 2005 01:02 pm

Mark Turansky wrote:
> var obj = {
>      "prop1":"somevalue",
>      "prop2":"another value",
>      "prop3":{
>            "prop4":prop1        // prop1 is undefined here
>     }
> }
> 
> in the above object, prop4's value is undefined.   likewise, it is undefined
> if the value is obj.prop1.
> 
> Is there any way to get values from the outer object (obj) and use a value
> in the inner object (prop3) ?


Not in ECMA-262 Edition 3.

In SpiderMonkey, you can use sharp variables (modeled after Common 
Lisp's notation):

var obj = #1={
   prop1: "fee",
   prop2: "foo",
   prop3: {
     prop4: #1#
   }
};

/be

.