Robert new Number is simply for a reason, in IE:
var div = document.createElement("div");
div.whatever = 1;
alert(div.outerHTML);
// <DIV whatever=1></DIV>
div.removeAttribute("whatever");
div.whatever = new Number(1);
alert(div.outerHTML);
// <DIV></DIV>
if there are no side effects I can't see why DIV should be dirty in IE. Also
via new Number the behavior is a bit more standard (Firefox and other like)
On Sun, Oct 18, 2009 at 1:27 AM, Robert Katić <robert.ka...@gmail.com>wrote:
>
> If I was not clear enough here are some code http://pastebin.com/m14c0aa3b
>
> PS: For now, I am not sure if new Number(...) is necessary and that it
> is safe enough.
>
> On Oct 18, 1:05 am, Robert Katić <robert.ka...@gmail.com> wrote:
> > I am certainly in favor to that that $.data(elem) returns data object
> > instead of id.
> >
> > I would like that $.data() will not handle getting/setting too, but
> > then we would probably consider how to handle getting without
> > generating the data object. Maybe an $.data(elem, true) to get data
> > object without creating it?
> > Because I wouldn't like to be forced to use $(elem).data(prop) only
> > because $.fn.data() prevents unnecessary data creations and $.data()
> > not.
> >
> > On Oct 17, 3:40 am, John Resig <jere...@gmail.com> wrote:
> >
> > > > Of course, although it would simplify the $.data() implementation
> > > > (speed performances too) it would breaks compatibility with many
> > > > existent plugins. However, $.data() in 1.4 will breaks it already...
> >
> > > If developers want to switch to this style they're absolutely welcome
> > > to (in fact, we already have in jQuery core for performance
> > > advantages, in a number of places).
> >
> > > I've done a quick search on Google Code Search and have only found a
> > > couple places where jQuery.data(elem) is used (outside of jQuery
> > > itself). Right now I'm leaning towards keeping the API change
> > > (especially since the alternative would be pretty lame - like doing
> > > jQuery.data(elem, true) or some such) but if the change is too bad
> > > then we can always reconsider.
> >
> > > I should note that in jQuery 1.4 you can do $(elem).data() to get at
> > > the element's data, no problem (there was no API conflict for that
> > > method).
> >
> > > --John
> >
>
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