Autosize

By default Jodit set height by content

Include Jodit

<link rel="stylesheet" href="build/jodit.min.css">
<script src="build/jodit.min.js"></script>

Create input element

<textarea id="editor"></textarea>

Create Jodit instance

var editor = new Jodit('#editor');
editor.setEditorValue('<p>test</p>'.repeat(50));

Result