JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" id="admin" value="admin"/>Admin<br>
<input type="radio" id="superadmin" value="superadmin"/>Super Admin<br>

JavaScript

$(document).ready(function() {

    
    var selecctedtype = '';
    
    if (document.getElementById('admin').checked) {
      
        selecctedtype = 'admin';
        
    }
    
    if (document.getElementById('superadmin').checked) {
        
        selecctedtype = 'superadmin';
  
    }
    
    
    alert(selecctedtype);
    
});