Re: Solving the "how do I tell whether I have an HTML element?" (or image element, or whatever) problem from Brendan Eich on 2013-01-01 (public-script-coord@w3.org from January to March 2013)

From: Brendan Eich <brendan@mozilla.com>
Date: Mon, 31 Dec 2012 23:08:00 -0800
To: "public-script-coord@w3.org" <public-script-coord@w3.org>
Message-ID: <50E28B50.5070802@mozilla.com>

Private reply:

Boris Zbarsky wrote:
> 1)  Hack instanceof as Gecko has in the past.  This is actually a bit 
> of a pain to implement even in Gecko, without changes to SpiderMonkey, 
> because function objects can't have the magic behavior the RHS needs 
> above in SpiderMonkey at the moment. 

What's missing? I still see Class::hasInstance in jsclass.h.

/be

Received on Tuesday, 1 January 2013 07:08:22 UTC