Subj : Re: How do you make an object's property const?
To   : netscape.public.mozilla.jseng
From : Wired Earp
Date : Tue May 25 2004 04:40 pm

celsoaguiar@hotmail.com (Celso Aguiar) wrote in 
news:803478e8.0405101626.3e11855@posting.google.com:

> I've been trying to figure out how to make an object's 
> property constant from JavaScript, and have not found a 
> way, at least within SpiderMonkey latest 1.5.
> 
> const O = function () {
>   this.p = 1; // can't do "const this.p = 1", syntax error.
> }
> const o = new O();
> o.p = 2; // I still can replace o.p


This throws a "Typeerror: setting a proptery thas has only a getter", much 
to the same effect.

    const O = function () {
    	   const x = 0;
        this.p getter = function () {
            return x;
        }
    };
	
    const o = new O();
    o.p = 2; // no can't do



-- 
Wired Earp
Wunderbyte

.