js/q03menuOrig.php
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<!-- ohne den Viewport bekomme ich auch auf dem Handy viel zu viele Pixel -->
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=3.0, user-scalable=yes"/>
<title>menu demo</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css">
<style>
.ui-menu {
width: 200px;
}
</style>
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
<script src="//code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
<ul id="menu">
<li>
<div>Item 1</div>
</li>
<li>
<div>Item 2</div>
</li>
<li>
<div>Item 3</div>
<ul>
<li>
<div>Item 3-1</div>
</li>
<li>
<div>Item 3-2</div>
</li>
<li>
<div>Item 3-3</div>
</li>
</ul>
</li>
<li>
<div>Item 4</div>
</li>
<li>
<div>Item 5</div>
</li>
</ul>
<script>
$( "#menu" ).menu();
</script>
</body>
</html>