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________________________________
From: Jason <jwestbr...@gmail.com>
To: Prototype & script.aculo.us <prototype-scriptaculous@googlegroups.com>
Sent: Thursday, September 1, 2011 4:07 AM
Subject: [Proto-Scripty] Re: $ function and IE
I actually user logic to solve your problem
if($('someid') != undefined)
{
$('someid').hide() // or whatever you plan to do
}
this cuts down on a function call of invoke and the CSS parser looking
for a CSS selector that matches
On Aug 30, 1:40 pm, Walter Lee Davis <wa...@wdstudio.com> wrote:
> You're welcome. I gave up being surprised what IE does somewhere back
> in 1998.
>
> Walter
>
> On Aug 30, 2011, at 4:19 PM, Shane McCarron wrote:
>
>
>
>
>
>
>
> > That's very clever. Mostly I am surprised that only IE pukes on
> > what I assume to be a very common problem...
>
> > Anyway, thanks!
>
> > On Tue, Aug 30, 2011 at 3:01 PM, Walter Lee Davis
> > <wa...@wdstudio.com> wrote:
> > The easiest way around this is to write your code so it fails
> > gracefully. Either one of these will work:
>
> > $$('#noSuchElement').invoke(yourFunction);
>
> > or
>
> > var elm = $('noSuchElement');
> > if (elm) yourFunction();
>
> > The first one is my favorite, because it swallows any errors. If
> > you're saying that you're getting an error from IE just from trying
> > to use $('noSuchElement') all by itself, not actually trying to use
> > the return from that, then the first method is what I would advise.
>
> > Walter
>
> > On Aug 30, 2011, at 3:06 PM, Shane McCarron wrote:
>
> > I am sure this is a FAQ... but in IE prototype (version 1.7) throws
> > an error when there is a reference to an ID that is not on the page
> > (e.g., $('noSuchElement)). Is there some trick or idiom to work
> > around this?
>
> > --
> > Shane McCarron
> > halindr...@gmail.com
>
> > --
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> > --
> > Shane McCarron
> > halindr...@gmail.com
>
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