No problem - glad it's working for you, now!
--John
On Wed, Feb 18, 2009 at 1:41 PM, GreyCells <oldgreyce...@googlemail.com> wrote:
>
> My apologies for using the dev forum as a user forum :)
>
> Many thanks John for this - in 1.2 it was the only was I (rightly or
> wrongly) could get the id of the first parent fieldset that had an id
> - it was a bit of a shock that is slowed down so much in 1.3. Having
> said that, the issue is now mute - I hadn't noticed closest() had
> appeared in 1.3, but as usual, jQuery seems to be able give me exactly
> what I need in an even more concise manner...
>
> If only I could read it's mind as well as it tries to read mine :)
>
> All the best.
>
> On Feb 18, 6:13 pm, John Resig <jere...@gmail.com> wrote:
>> Are you sure you meant :has([id])? That would find all fieldsets that
>> have a descendant that has an ID attribute (which is pretty costly).
>> It sounds like you could replace that line with:
>>
>> jQuery(this).closest("fieldset[id]")
>>
>> --John
>>
>> On Wed, Feb 18, 2009 at 11:34 AM, GreyCells <oldgreyce...@googlemail.com>
>> wrote:
>>
>> > I'm sure this is not the most elegant line of code, but in 1.2.6,
>> > there was no performance hit (i.e. a moderately complex page/form
>> > loaded in the blink of an eye). In 1.3.1 this now takes > 10 seconds
>> > with 100% cpu:
>>
>> > var parentWithIdAttribute = jQuery(this).parents('fieldset:has
>> > ([id]):first').attr('id');
>>
>> > This is used to determine the context of a bunch of labels and legends
>> > within a selector.each().
>>
>> > Commenting out this single line restores the performance (but
>> > obviously breaks my app).
>>
>> > Not sure whether I should raise this as a bug...?
> >
>
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