<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>
CÍM
</title>
</head>
<body>
<h1 id="azonosito">
</h1>
<script>
let nev = prompt("add meg a neved");
document.getElementById("azonosito").innerHTML = nev;
</script>
</body>
</html>