make checkbox behave like radio buttons with javascript

Question

I need to manipulate the behavior of the check boxes with javascript. They should basically behave like radio buttons (only one selectable at a time, plus unselect any previ

Answer 1

Radio 1: 

Radio 2: 

Ultimately you can use brackets with the name attribute to create an array of radio input like so:

Radio 1
Radio 2
Radio 3
Radio 4

What matters to transfer in the end are whats in the value attribute. Your names do not have to be different at all for each radio button. Hope that helps.