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Re: ArrayClass should imply @@isConcatSpreadable

From: Anne van Kesteren <annevk@annevk.nl>
Date: Mon, 28 Oct 2013 23:13:23 +0000
Message-ID: <CADnb78jRF7-7=q9nm3goDmy72DDkT1QtY9EGXNM+OFUnA4tDtg@mail.gmail.com>
To: Boris Zbarsky <bzbarsky@mit.edu>
Cc: "public-script-coord@w3.org" <public-script-coord@w3.org>, es-discuss <es-discuss@mozilla.org>
On Mon, Oct 28, 2013 at 8:20 PM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
> In terms of existing ArrayClass objects that are shipping on the web right
> now, Gecko is shipping (though perhaps not in final releases yet) the .ports
> of a MessageEvent and the return value of getClientRects(). I _think_
> changing the concat() behavior of these should be OK. Certainly for .ports,
> which we haven't been shipping for very long at all.
> Thoughts?

Could we still change those to actual arrays? I guess for .ports that
might be trickier as it implies a readonly view. ArrayClass feels like
a hack.

Received on Monday, 28 October 2013 23:13:50 UTC

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