JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
  <script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>

    <textarea cols="45" rows="15" id="yorum"></textarea>
    
    <script>
        $('#yorum').keypress(function(event){
            if (event.keyCode == 10 || event.keyCode == 13) 
                event.preventDefault();
          });
    </script>

</body>
</html>