js function to get filename from url

Question

I have a url like http://www.example.com/blah/th.html

I need a javascript function to give me the \'th\' value from that.

All my urls have the same format (2

Answer 1

Similar to the others, but...I've used Tom's simple script - a single line,
then you can use the filename var anywhere:
http://www.tomhoppe.com/index.php/2008/02/grab-filename-from-window-location/

var filename = location.pathname.substr(location.pathname.lastIndexOf("/")+1);