Nope.
var obj = { valueOf: function(){ return 0; } };
!!obj
>> true
obj.valueOf().constructor
>> Number()
It looks like it's returning the number as Number(0) rather than in its
primitive form.
--John
On Thu, Jul 23, 2009 at 5:49 PM, Daniel Friesen
<nadir.seen.f...@gmail.com>wrote:
>
> John Resig wrote:
> > I'm hesitant to add that (I've definitely thought about it, in the
> > past) because .valueOf() doesn't cover all comparison cases.
> >
> > obj > obj2 works (as you noted)
> > but if ( obj ) {} doesn't (it always returns true)
> >
> > Additionally, in Firebug, the result shows up as a number rather than
> > something more useful (like a list of elements).
> What about type hinting?
>
> ~Daniel Friesen (Dantman, Nadir-Seen-Fire) [http://daniel.friesen.name]
>
> > --John
> >
> >
> > On Thu, Jul 23, 2009 at 2:06 PM, James Padolsey
> > <jamespadol...@googlemail.com <mailto:jamespadol...@googlemail.com>>
> > wrote:
> >
> >
> > Just a thought; this would be quite useful IMO:
> >
> > var paras = $('p'), uls = $('ul');
> > if (paras > uls) {
> > // ...
> > }
> >
> > I know it's not quite as readable (or as semantic) as:
> >
> > if (paras.length > uls.length) {
> > // ...
> > }
> >
> > but still, it's one of those things that may as well be added, just
> > for the few situations where it may be useful.
> >
> > jQuery.fn.valueOf = function(){return this.length;};
> >
> > Unless it's got some other valid use (with jQuery)...?
> >
> >
> >
> > >
>
> >
>
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