Read-Only Mode
Rich Text Editor can be configured via readOnly property thats defines whether RichTextEditor should be an active HTML editor, or a read-only document viewer.
Hello world!

Example code
<p>
<button class="ls-cta mb-4 mb-sm-0 mr-3" onclick="toggle_readOnly()">Toggle ReadOnly</button>
</p>
<div id="div_editor1">
<p>Hello world!</p>
<p><img src='/images/editor-image.png' /></p>
</div>
<script>
var editor1 = new RichTextEditor("#div_editor1");
function toggle_readOnly() {
if (editor1.getReadOnly())
editor1.setReadOnly(false);
else
editor1.setReadOnly(true);
}
</script>