JSFiddle - React, Tailwind, and code Playground

HTML

<div> 
                 <input type="radio" checked="checked" name="co" data-for="s" /> 
                 <input type="text" id="s" /> <br /><br /> 
                  <input type="text" id="s1" /> <br /><br /> 
 
                 <input type="radio" name="co" data-for="u"/> 
                 <input type="text" id="u" disabled="disabled" /> 
                </div>

JavaScript

$("input[type='radio']").click(function() {
    $("input[type='text']").attr("disabled", "disabled");
    if ($(this).next().attr("disabled") == "disabled") $(this).next().removeAttr("disabled");
    else $(this).next().attr("disabled", "disabled");

});