Thanks for the nice explanation (and for pointing me the right direction)!
-- Marc
Klaus Hartl schrieb:
> Marc Jansen schrieb:
>
>> Hi list,
>>
>> OK. So then it seems to be in the newsticker-plugin used on this site:
>> www.rsv-arloff-kirspenich.de
>> I checked it: I changed this lines:
>>
>> $(document).ready(
>> function()
>> {
>> $("#news").newsTicker(5000).end();
>> }
>> );
>>
>> to:
>>
>> $(document).ready(
>> function()
>> {
>> $("#news").newsTicker(5000);
>> }
>> );
>>
>> And the error was gone, while the newsticker itself provides the full
>> functionality. So, what is "end()" about? Do I really need it when I'm
>> not using the '$'-function afterwards again?
>>
>> --Marc
>>
>
>
> Interesting. Like I said...
>
> I think that should be filed as a bug. Calling end() too much should
> degrade gracefully and not result in an error.
>
> What does end do?
>
> In jQuery there are certain functions that alter the original jQuery
> object, like parent(), prev(), next(), find().
>
> var $div = $('div');
> $div.find('p');
>
> In the second line the jQuery object has been altered, it contains p
> elements instead of divs now.
>
> If you want to return to the old query you have to use end():
>
> $div.end();
>
> This is handy if you want to do a lot of operations in one chain
> including children, for example attaching two different click handlers
> to two links:
>
>
> $('div').find('a').eq(0).click( ... ).end().eq(1).click( ... );
>
> It's like traversing back to an earlier query...
>
> From looking at the source you provided, I'd say the end() there is
> useless and you can safely remove it.
>
>
> -- Klaus
>
>
>
>
>
>
>
>
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>
>
--
========================
Marc Jansen
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