>>
>> if ($('#warningmsg').size()) highlightWarningMsg();
>>
>> Is that the "correct" way of testing if a jQuery object contains
anything?
>
> You could also do:
> if ($('#warningmsg')[0])
You could also say this:
$("#warningmsg").each(highlightWarningMsg);
Each won't call the fn at all unless the element exists. If that's the only
place the fn is called, just drop an anonymous function there. Or you could
turn it into a plugin and do this:
$("#warningmsg").highlightMsg();
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