web-cheat/umd.html
<!doctype html>
<html lang=en>
<head>
<meta charset=utf-8>
<!-- https://cirosantilli.com/ourbigbook#universal-module-definition -->
<title>UMD</title>
</head>
<body>
</body>
<script src="umd_my_lib.js"></script>
<script>
const element = document.createElement('div');
element.innerHTML = umd_my_lib.my_umd_var;
document.body.appendChild(element)
</script>
</html>