Gotcha :) Thanks again for the help!
Ⓙⓐⓚⓔ wrote:
>
> inside every object's function there is a this... it all depends on
> which object has the function!
>
> inside an each function this is each element from the query
> inside a plug-in this is the jquery object that has an array of elements.
>
> most jq selectors keep a chain going so you have just what you started
> with... some change the change so you have more or less elements, but
> the chain continues, and you still have a jq object.
>
> Why a class instead of an ID... I used the class like I would use a
> local variable... since I can use prev() to find prior siblings and I
> just want this one special one, I can code prev('span.special") to get
> to the freshly added item.
>
> SURE you can do the colors with a class too! you can change the class
> or use the additive ability of classes to keep each part of the class
> separate!
>
>
> oops... I meant the id of the textarea.. not the form.
>
> On 1/23/07, Daemach <[EMAIL PROTECTED]> wrote:
>>
>> This or that...This or that...
>> http://bboyflexi.imeem.com/music/j-_J-4tV/the_choice_is_yours/ The choice
>> is
>> yours!
>>
>> Is there a list of rules somewhere that define where this is that or the
>> reverse? Or a very detailed description of what you're left with after a
>> selector is run and the object is passed to the next link in the chain?
>> It's apparently arcane knowledge :) I see that in the keypress you have
>> function (e) - where does e come from and how does it get passed?
>>
>> Much thanks for taking the time - great example and I *think* I get it.
>> The
>> only things I'm not understanding are why you used #test as the first
>> selector, since that is the form ID, and why the before statement was
>> added
>> last - or does that matter?
>>
>> And why would you use a class as an identifier? it might be best to
>> change
>> the class to turn the text red/green rather than changing style elements.
>> You might want to make the text bold too, for example. I'm not opposed
>> to
>> it, just trying to understand the thought process. Would changing the
>> class
>> break that selector?
>>
>>
>> Ⓙⓐⓚⓔ wrote:
>> >
>> > this is not this! this is that!
>> >
>> > this is very much dependent on where this is used. inside an .each(),
>> > this is an element.
>> > inside a plugin this is a jquery object (& an array of elements).
>> >
>> > the this you used is weird on one, it is probably a null jquery object
>> > with no elements... but I've never poked in to look!
>> >
>> > as far as debugging... everyone with firefox debugs with firebug...
>> > some use others... and Internet Explorer users often flip over to
>> > firefox for better debugging!
>> >
>> > $('#test :textarea').before('Current length: <span id="'+
>> > this.id
>> > +'_len">'+this.value.length+'</span> characters').keypress(
>> > function()
>> > {
>> > $('#'+this.id + '_len').css('color', ((this.value.length
>> >
>> > parseInt(this.id.split()[1]))?'red':'green')).html(this.value.length)
>> > } );
>> >
>> > might be better as
>> > $('#test').bind('keypress',function(e){
>> > // do your dirty work with this, the textarea
>> > $(this).prev('span.count').html(this.value.length)
>> > // ...
>> >
>> > }).before('<span>Current length</span><span
>> > class="count">0</span><span> chars</>'
>> >
>> >
>> > All with no extra IDs!
>> >
>> > On 1/23/07, Daemach <[EMAIL PROTECTED]> wrote:
>> >>
>> >> I'm trying to sort out a problem with a selector and I'm not having
>> much
>> >> luck. I'm using firebug at the moment, but I'm not able to easily see
>> >> what
>> >> the selector is picking up, if anything. The first selector is here:
>> >>
>> >> $('#test :textarea').before('Current length: <span id="'+ this.id
>> >> +'_len">'+this.value.length+'</span> characters')
>> >>
>> >> <form action="boo" name="test" id="test">
>> >> <textarea cols="54" rows="5" id="Desc_512"
>> >> name="Description">SPORK</textarea>
>> >> </form>
>> >>
>> >> _______________________________________________
>> >> jQuery mailing list
>> >> [email protected]
>> >> http://jquery.com/discuss/
>> >>
>> >
>> >
>> > --
>> > Ⓙⓐⓚⓔ - יעקב ʝǡǩȩ ᎫᎪᏦᎬ
>> > _______________________________________________
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>> > [email protected]
>> > http://jquery.com/discuss/
>> >
>> >
>>
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>
>
> --
> Ⓙⓐⓚⓔ - יעקב ʝǡǩȩ ᎫᎪᏦᎬ
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