Yeah, parentNode is not good enough.
On Sun, Nov 30, 2008 at 4:35 PM, ricardobeat <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> It seems the ownerDocument is set for the created element even if it's
> not in the DOM, it's the document where jQuery was loaded in. A simple
> check for parentNode or offsetParent would do:
>
> $.fn.inDOM = function(){
> return !!this.parentNode; //boolean
> });
>
> parentNode returns faster for elements in the DOM, while offsetParent
> returns faster for elements not in the DOM (in FF3 at least).
>
> Hope I'm not missing anything. It surely would need a better name :]
>
> cheers,
> - ricardo
> On 29 nov, 14:46, Ariel Flesler <[EMAIL PROTECTED]> wrote:
>> 'body' should be replaced by 'html'.
>>
>> Maybe we can make it faster by consulting expandos like
>> ownerDocument ?
>>
>> --
>> Ariel Fleslerhttp://flesler.blogspot.com
>>
>> On Nov 27, 12:52 am, diogobaeder <[EMAIL PROTECTED]> wrote:
>>
>> > Hi there,
>>
>> > I'm new here (and in jQuery), but even though I'd like to propose some
>> > simple but usefull method to the jQuery object (at core.js) to tell
>> > the API user if an element exists in the document. I've tried to build
>> > one as follows:
>>
>> > [CODE]
>> > (function($) {
>>
>> > $.fn.inDOM = function() {
>> > return !!this.parents('body').length;
>> > };
>>
>> > })(jQuery);
>>
>> > jQuery(document).ready(function(){
>> > var jEl = $('.someExistingClass');
>>
>> > // Should be in DOM
>> > console.debug(jEl.inDOM());
>>
>> > // Removing the element
>> > jEl.remove();
>>
>> > // Should NOT be in DOM
>> > console.debug(jEl.inDOM());});
>>
>> > [/CODE]
>>
>> > So, if the client sets a variable as a jQuery object, and at some
>> > point of the code the DOM element within it can be removed, he/she can
>> > test if it really was. OK, I know it sounds unsignificant, but I think
>> > it would still be usefull.
>>
>> > Thanks!
>>
>> > Diogo Baeder
> >
>
--
Ariel Flesler
http://flesler.blogspot.com
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