- From: Cameron McCormack <cam@mcc.id.au>
- Date: Mon, 9 May 2011 14:31:23 +1200
- To: Boris Zbarsky <bzbarsky@MIT.EDU>
- Cc: Allen Wirfs-Brock <allen@wirfs-brock.com>, public-script-coord@w3.org
Boris Zbarsky:
> On 5/8/11 6:28 PM, Cameron McCormack wrote:
> >* [[GetOwnProperty]] does:
> > * If the property name is a current indexed property, then return
> > a {configurable:false,enumerable:true,get:fn} where fn returns the
> > relevant Node.
>
> Why is this better than just returning a value descriptor with the right
> node? I can see at least one way in which it's worse: it involves
> reifying some sort of per-index getter function...
Good point, that is worse. A non-writable data property it is.
> The upshot of this proposal is that array properties just shadow
> "normal" properties, right? I'm in favor of that, whatever we need the
> spec-lawyering to be to make it work.
Yes.
> Hmm. So it would affect what item() returns too? That could be a
> little odd... But I suppose livable.
You know, maybe it was too clever a suggestion. We probably need to
think more holistically about DOM object freezing/sealing. If we
specifically want to allow converting a live NodeList into a dead one, a
dedicated API would probably be more straightforward.
--
Cameron McCormack ≝ http://mcc.id.au/
Received on Monday, 9 May 2011 02:32:02 UTC