thaks Aaron for the link
On Tue, Feb 8, 2011 at 1:43 AM, Aaron Newton <[email protected]> wrote:
> The Number.prototype.$family is an excellent reason, indeed. Didn't
>> catch my attention, oops! (I'll try to be more careful in the
>> future...)
>>
>
> No apologies necessary! I was just pointing out how you might figure it out
> on your own. Teach a man to fish and all that...
>
>
>> Why Object.extend('forEach', [...]) instead of
>> Object.implement('forEach', [...]). Or: why defining forEach as a
>> property of Object rather than in it's prototype? Is it because
>> everything is an object and we don't want other types to be "forEach-
>> able"?
>
>
> Object (which is a function) .extend will add forEach to the Object
> namespace. Object.implement will add forEach to the prototype (as you note).
> Extending the object prototype is a *bad* idea. See:
>
> http://erik.eae.net/archives/2005/06/06/22.13.54/
>