JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://nightly.ckeditor.com/13-12-11-07-05/standard/ckeditor.js"></script>
<body>
<form>
  <textarea id="editor1" name="editor1" rows="10" cols="80">
  </textarea>
</form>
</body>

JavaScript

(function() {
    
    var editor1;
    
    // this will cause error
    editor1 = CKEDITOR.replace('editor1');
    editor1.destroy(false);
    
})();