JSFiddle - React, Tailwind, and code Playground

HTML

<head>
</head>
<body>
     <div id="monitor"></div>   
    <textarea id="test"></textarea>
</body>

JavaScript

$(document).ready(function() {                                                                                                                                    
        $('#test').live('keyup', function() {                                                                                                                           
          event.preventDefault();                                                                                                                                       
          $('#monitor').trigger('keyup');                                                                                                                               
        });                                                                                                                                                             
        $('#monitor').live('keyup', function() {                                                                                                                        
          $(this).html($('#test').val().length);                                                                                                                        
        });                                                                                                                                                             
      });