<!DOCTYPE html>
<html lang="en">
<head>
<title>DOMContentLoaded Example</title>
</head>
<body>
<div id="output">Waiting for DOM...</div>
<script>
document.addEventListener('DOMContentLoaded', function() {
document.getElementById('output').innerHTML = 'DOM fully loaded and parsed!'
});
</script>
</body>
</html>