Thanks everyone for clearing this up. I told you it was simple :) I
learned something today!
On Jul 9, 1:46 pm, Massimo Lombardo <unwiredbr...@gmail.com> wrote:
> Here's a simple pattern:
>
> var counter = $('element0').length;
> $('element1').text(counter);
> $('element2').click(function () {
> $('element1').text(counter--);
>
> });
>
> Live example: open a live JavaScript console (like Firebug if you're
> using Firefox), then paste the following
>
> $('body').append('<div id="test"></div>');
> $('#test').css({
> position: 'absolute',
> top: '200px',
> right: '0px',
> width: '80px',
> padding: '10px',
> backgroundColor: '#f00',
> color: '#fff'});
>
> var count = 25;
> $('#test').text(count);
> $('body').click(function () {
> $('#test').text(--count);
>
> });
>
> Launch it, then click on the body: you'll see the number decrease :)
>
>
>
>
>
> On Thu, Jul 9, 2009 at 16:46, littlerobothead<nickmjo...@gmail.com> wrote:
>
> > I'm sure this is going to be an easy one. I'm just not seeing a
> > solution in any of the usual places.
>
> > I'm getting the number of elements in a table like so:
>
> > var count = $("#dataset-b tr").length;
>
> > Then appending that number to a span, like so:
>
> > $(".count").html("(" + count + ")");
>
> > What I want to do is subtract one from that number every time a user
> > clicks a row in the table I'm generating, like so:
>
> > $("#dataset-b tr").click(function(){
> > $(this).fadeOut(300);
> > var int = 1;
> > var prod = count - int;
> > $(".count").html("(" + prod + ")");
> > });
>
> > The problem is that it works on the first click (9 changes to 8), but
> > nothing happens on subsequent clicks. Again, I'm sure this is
> > something simple I'm missing. Thanks for any help.
>
> --
> Linux user #437712
