> var test = ['foo', 'bar', 'foob'];
> if (test.any(element.hasClassName.bind(element))) {
I believe using the non-methodized version of this method would be
better
Element.hasClassName.curry(element);
--
http://positionabsolute.net
On May 14, 12:30 pm, "T.J. Crowder" <[email protected]> wrote:
> Hi,
>
> I can think of two approaches off-hand:
>
> 1. Use Enumerable#include on the array of classes you want to test
> against, using Element#hasClassName as the iterator function (bound to
> the instance), e.g.:
>
> var test = ['foo', 'bar', 'foob'];
> if (test.any(element.hasClassName.bind(element))) {
> // ...
> }
>
> or
>
> if (['foo', 'bar', 'foob'].any(element.hasClassName.bind
> (element))) {
> // ...
> }
>
> (You don't need to use $A() around array literals.)
>
> 2. Use $w on the class name to get an array of the individual class
> names, then use Enumerable#any on that, passing in Enumerable#include
> on the array you want to test against as the #any iterator. Something
> like this:
>
> var test = ['foo', 'bar', 'foob'];
> if ($w(element.className).any(test.include.bind(test))) {
> log("true");
> }
>
> (Both of those bits of code are untested.)
>
> But if this is going to be happening a lot (a tight loop, or a
> mouseover handler, etc.), check the runtime cost of each of these by
> going under the covers.
>
> FWIW,
> --
> T.J. Crowder
> tj / crowder software / com
> Independent Software Engineer, consulting services available
>
> On May 13, 7:34 pm, louis w <[email protected]> wrote:
>
> > I have an array containing a number of strings. I would like to
> > continue exucuting my script only if an item has ANY/ALL of the
> > strings assigned as a class name.
>
> > $A(['foo', 'bar', 'foob']);
>
> > Is there an elegant want to do this without having to loop through the
> > items?
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