Hi Klaus! Thanks for the quick reply and excellent explanation. :)
That makes a lot of sense to me now. I will be sure to follow that
practice from now on.
Also, thank for the critique on my variable name(s)... I am going to
re-name a few for the sake of better clarity.
I owe you one! Thanks!
Cheers,
Micky
On Dec 17, 8:04 am, Klaus Hartl <[EMAIL PROTECTED]> wrote:
> On 17 Dez., 08:31, Micky Hulse <[EMAIL PROTECTED]> wrote:
>
>
>
> > Hi again,
>
> > So, yes! The code works! Many thanks for the tips. :)
>
> > In your last example, I am just wondering about the $ (dollar sign)
> > before the "foo" variable. When should I use that on variables? I
> > assume that I would do this if I am going to use that variable to
> > reference an element... For example, is this correct usage/syntax:
>
> > ...<snip>...
>
> > // Start closure:
> > $(function() {
>
> > var fooString = 'Just a string'; // <----- No dollar sign. Correct?
> > var $foo = $('#foo'); // Test ele, which use the $.
> > var $grfkldr = $('<img src="ajax-loader.gif">'); // Loader gif,
> > injected into DOM on document ready.
> > var $ldr = $('.loading'); // Loading container class.
>
> > $grfkldr.appendTo($ldr); // <----- Inject the loader gif. Is this
> > correct usage of the syntax?
>
> > $(window).load(function () {
> > // ... Do something with $foo
>
> > });
> > });
>
> Hi Micky, it became sort of convention to use a "$" for variables that
> represent a jQuery object...:
>
> var $this = $(this);
> var $img = $('<img src="..." alt="...">');
> var $divs = $('div');
>
> and so on... the examples you were giving look correct (although it
> may be hard to remember what a variable named "$grfkldr" stands for if
> you need to debug it 2 month later - and don't forget about your co-
> workers - but that's up to you of course).
>
> You're not required to do it, in the end it's just a matter of
> personal preference. But it can be very useful. Imagine a longer
> script with quite a lot variables. If there's a variable $foo then you
> immediatly know without looking it up, that it is a jQuery object and
> you can apply some jQuery methods to it.
>
> --Klaus
