<div>
<div id="editor">
<p><strong>Pre-existing html here.</strong></p>
<ul>
<li>Test<ul>
<li>nest</li>
</ul>
</li>
</ul>
</div>
<button id="save">
Save
</button>
</div>
<textarea id="output" readonly>
The html output will show here on "save"
</textarea>
<textarea id="input">
<h2>
drop html and click load to test loading
</h2>
</textarea>
<button id="load">
Load
</button>
<div id="normal">
The normal web view will display here on either save or load.
</div>
<script src="https://cdn.ckeditor.com/ckeditor5/19.0.0/classic/ckeditor.js"></script>
<script src="https://code.jquery.com/jquery-3.5.1.min.js" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin="anonymous"></script>