Subj : Re: dereferenced object
To   : netscape.public.mozilla.jseng
From : Brendan Eich <brendan@meer.net>
Date : Sat Apr 17 2004 06:17 pm

Thibaut wrote:
> What do you mean ??
> 
> This is what you told me :
> 
>>Use the JSClass.getProperty hook for childNodes' class.  It should
>>handle id parameters for which JSVAL_IS_INT(id) evaluates to true and
>>JSVAL_TO_INT(id) is >= 0 and < the length of the array.
> 
> 
> i know how to get a property , when i evaluate this in my application :
> Node.chilNodes.item(0)
> it works properly. but how can I  implement this : Node.childNodes[0]
>  so that it does the same job ???
> i want to tell the js engine that when i apply [index] to chilNodes
> (Node.childNodes[index] ) it has to call the function item(index)
> (Node.childNodes.item(index) )
> 
> childNodes is not an array but an object with an arrayObject as property


Yes, I know.  I meant what I wrote: the childNodes object should have a 
JSClass whose getProperty handles non-negative int id gets by calling 
item(i), where i = JSVAL_TO_INT(id).

/be

.