Pass data to database using javascript Onclick

Question

I am a real noob when it comes to javascript/ajax, so any help will be very appreciated. In reference to this question:

Updating a MySql database using PHP via an o

Answer 1

What you would do is on the php server side have a page lets say its update.php. This page will be visited by your javascript in an Ajax request, take the request and put it in a database.

The php might look something like this:

Your javascript would simply preform an ajax request on update.php and send it the variables as get value "score".