JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    Option 1<input type="radio" name="opt" id="radio" value="Option 1">
    Option 2<input type="radio" name="opt" id="radio" value="Option 2">
    
    Option 1<input type="radio" name="opt2" id="radio" value="Option 1">
    Option 2<input type="radio" name="opt2" id="radio" value="Option 2">
</form>

JavaScript

$('input[type=radio]').change(function(){
    var value = $(this).filter(':checked' ).val();
    alert(value);
});