JSFiddle - React, Tailwind, and code Playground
by Krzysztof
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/ckeditor/4.5.11/ckeditor.js"></script>
<div contenteditable="true" id="ed1"><img src="http://i.imgur.com/M3LOzdI.jpg"/></div>
<div contenteditable="true" id="ed2"><img src="http://i.imgur.com/aD7V3hQ.jpg" width="320"/></div>
<input type="button" onclick="CKEDITOR.instances.ed1.setReadOnly(true); CKEDITOR.instances.ed2.setReadOnly(true);" value="Make readonly">
JavaScript
CKEDITOR.disableAutoInline = true;