<!DOCTYPE html>
<html>
<body>
<p>Click the buttons to create a KEYGEN element, one with autofocus and one without autofocus.</p>
<button onclick="myFunction()">Keygen with autofocus</button>
<button onclick="myFunction2()">Keygen without autofocus</button>
<br>
<script>
function myFunction() {
var x = document.createElement("KEYGEN");
x.setAttribute("autofocus", "autofocus");
document.body.appendChild(x);
}
function myFunction2() {
var y = document.createElement("KEYGEN");
document.body.appendChild(y);
}
</script>
</body>
</html>