JSFiddle - React, Tailwind, and code Playground

by gkislin13

HTML

<div>
       <input type="radio" name="pay" checked> <b class="darkred">Value1</b>
       <input type="radio" name="pay"> <b>Value2</b>
       <input type="radio" name="pay"> <b>Value3</b>
    </div>

CSS

.darkred {
   color: darkred; 
}

JavaScript

$('input[type="radio"]').on('change', function () {
                var current = $(this);
                current.closest('div').find('input').each(function () {
                    $(this).next().removeClass('darkred')
                });
                current.next().addClass('darkred');
            });