AJAX request callback using jQuery

Question

I am new to the use of jQuery for handling AJAX, and have written a basic script to get the basics down. Currently I am POSTing an AJAX request to the same file, and I wish

Answer 1

The elegant way would be to have a separate(!) PHP file that will only output the number times 2 part of your current PHP. Then you generate an AJAX request from your current PHP to the new separate PHP.