jQuery get value of selected radio button

Question

The problem statement is simple. I need to see if user has selected a radio button from a radio group. Every radio button in the group share same id.

The problem is

Answer 1

 Company Suscription: 
 Customer Subscription:
 Manully Set:
 NO Subscription:
 

and handle jquery for alert as for th e value set / Changed through div id:

$("#subscriptions input") // select the radio by its id
    .on('change', function(){ // bind a function to the change event
    alert($('input[name="subsrad"]:checked', '#subscriptions').val());
            });

it is so easy....:-}