Subj : Re: Enumerate only direct properties of prototype, without chaining?
To   : Lev Serebryakov
From : Brendan Eich
Date : Mon Oct 03 2005 12:07 pm

Lev Serebryakov wrote:
>   Is it possible to enumerate only direct properties of object and/or
> its prototype? Enumeration like this:
> 
> Object.prototype.a = "a";
> Object.prototype.b = "b";
> function Cls() { return this; };
> Cls.prototype = { c: "c" };
> for(p in Cls.prototype) { print(p," -> ", Cls.prototype[p], "\n" ) };
> 
>  Show not only "c", but "a" and "b" as well.
> 
>  Is it possible to enumerate only direct properties, without traversing
> prototype chain?


No, but you can skip indirect properties by adding a o.hasOwnProperty(p) 
test when enumerating object o.

/be

.