OK, it is used in stopObserving to clean observers, mainly for IE (look at
function _destroyCache) to prevent memory leaks.
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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?
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Shane McCarron
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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
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 wrote:
> The easiest way around this is to write your code so it fails gracefully.
> Either one of these will work:
>
>
Actually, I lied. They ALL puke. Duh. It is just that IE is more obvious
about it. I guess everyone else already knew this. I am slow ;-)
On Tue, Aug 30, 2011 at 3:19 PM, Shane McCarron wrote:
> That's very clever. Mostly I am surprised that only IE pukes on what I
> assume to be a very com
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
