JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/ckeditor/4.3.2/ckeditor.js"></script>

<textarea name="bla"></textarea>

JavaScript

CKEDITOR.config.toolbar = [
    
    // this toolbar works
    [ 'Bold', 'Italic', 'Underline', 'Strike', 'Subscript', 'Superscript', '-', 'RemoveFormat' ],
    
    // this works also
	[ 'Image', 'Table' ],
    
    // but this is not working !!
	[ 'SpecialChar' ]
];

$(document).ready(function(){
    CKEDITOR.replace('bla');
});