How to use base_url() in js file

[eluser]davidbehler[/eluser]
You can't use php code inside js files.

What dnyce meant is this:
Place this code in the header of your page

Code:

<scr1pt type="text/javascr1pt">
&lt;?php echo "var base_url = ". base_url(); ?&gt;
</scr1pt>

and then use it like this

Code:

$.post(base_url + '/admin/dashboard/getStuff', {var: qt, ajax:'1'},...