13.2.2 [[Construct]], constructor, and [[Class]] (was __proto__)

Brendan Eich brendan at mozilla.org
Sun Sep 23 15:33:53 PDT 2007

On Sep 23, 2007, at 12:22 PM, Garrett Smith wrote:

>>> in no case is the value of (new function(){}).constructor Function.
> It shouldn't be, but it is in OSX Ref Impl. (I did not build this).
> js> (new function(){}).constructor
> [function Function]

No, that's just http://bugs.ecmascript.org/ticket/64 -- proof:

 >> (new function(){}).constructor
[function Function]
 >> (new function(){}).constructor === Function
 >> f = function(){}
[function Function]
 >> (new f).constructor === f

With Function.prototype.toString buggy, you need to test identity of  
function objects.


More information about the Es4-discuss mailing list