That's not the described behavior:
var $div = $('<div />');
$div.inDom() == false;
$div.appendTo('body');
$div.inDom() == true;
--
Ariel Flesler
http://flesler.blogspot.com
On Nov 29, 2:59 pm, "Dan Switzer" <[EMAIL PROTECTED]> wrote:
> > I'm new here (and in jQuery), but even though I'd like to propose some
> > simple but usefull method to the jQuery object (at core.js) to tell
> > the API user if an element exists in the document. I've tried to build
> > one as follows:
>
> > [CODE]
> > (function($) {
>
> > $.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]
>
> I'm not sure how useful this would be, since this tells you the same thing:
>
> var inDOM = $('.someExistingClass').length
>
> If the length is 0 it doesn't exist, otherwise it does. Since the
> number 0 equates to false and a positive integer equates to true, this
> tells you the exact information.
>
> The only thing it potentially does is improve visibility. In that case
> I'd opt for the name exists() instead of inDOM.
>
> And you could just do:
>
> jQuery.fn.exists = function (){ return this.length > 0 }
>
> (I did a check to return a true boolean of either true or false.)
>
> -Dan
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