JSFiddle - React, Tailwind, and code Playground

HTML

<textarea class="ipText" name="myTextBox" id="txtBox" cols="50" rows="5"></textarea>
</br>
<button type="submit" onclick="saveComment">Save</button>
<input type="button" name="enableText" id="enableTxt" value="Click to Toggle" onclick="toggleText()">
    
    <script>
        
        function toggleText() {
      var Disabled = document.getElementById("txtBox").disabled;
      document.getElementById("txtBox").disabled = !Disabled;
     }
    </script>