JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.ckeditor.com/apps/ckeditor/3.6.3/ckeditor.js"></script>
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<textarea name="editor" id="editor">
    abc
</textarea>

</body>
</html>

JavaScript

var editor = CKEDITOR.replace('editor');  

editor.on('key', function(ev) {
   if (ev.data.keyCode==13)
   {
       ev.cancel();
       console.log('enter');
   }       
});