Fixed height

You can set Jodit height in pixels or percents. It automatically will add resize handle.

Include Jodit

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

Create input element

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

Create Jodit instance

var editor = new Jodit('#editor', {
	height: 200
});
editor.setEditorValue('<p>test</p>'.repeat(50));
Copy

Result

If you want to disable horizontal or vertical resizing use allowResizeX or allowResizeY options

Remove the size change trigger

const editor = Jodit.make('#editor', {
	height: 200,
	allowResizeX: false,
	allowResizeY: false
});
editor.value = '<p>test</p>'.repeat(50);
Copy

Result