jQuery toggleClass example
Toggle class name on click in jQuery
by Simon Price
HTML
<!DOCTYPE html>
<html>
<head>
<title>Summernote Example</title>
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
<link href="https://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.18/summernote-bs4.min.css" rel="stylesheet">
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.18/summernote-bs4.min.js"></script>
</head>
<body>
<div id="summernote">Hello, Summernote!</div>
<script>
$('#summernote').summernote({
placeholder: 'Edit your content here',
tabsize: 2,
height: 100
});
</script>
</body>
</html>
JavaScript
// find elements
var banner = $("#banner-message")
var button = $("button")
// handle click and add class
button.on("click", () => {
banner.toggleClass("alt")
})