<!DOCTYPE html>
<html>
<head lang="de">
<meta charset="UTF-8">
<title>DOM-Event-Handler</title>
<link rel="nofollow" href=''>
<script src="scripts/mehrere_event_listener.js"></script>
</head>
<body>
<div>
<label for="age"></label>
<input id="age" type="number" value="0"/>
</div>
<div id="output"></div>
</body>
</html>
