JSFiddle - React, Tailwind, and code Playground

HTML

<form method="post" action="#" onsubmit="return supportFormValidation(); return false;" id="form" name="form" class="form">

    <div class="radioWrapper">
    <p><input type="radio" name="trouble" class="radioButton" value="web Applciaiton"             id="webapp"/><label class="radioLabel"> &nbsp;Web Applciaiton</label></p>
            
    <p><input type="radio" name="trouble" class="radioButton" value="uplaods" id="uploads"/> <label class="radioLabel">&nbsp;Uploads/downloads</label></p>
            
    <p><input type="radio" name="trouble" class="radioButton" value="sync" id="sync" /><label class="radioLabel">&nbsp;Sync Tool</label></p>
    </div>

      <input type="submit" name="button" value="Contact"></input>

JavaScript

function supportFormValidation(){
     var isChecked = $('.radioButton').attr('checked')?true:false;
     alert(isChecked);
 }