HEX

File: //usr/share/doc/node-setimmediate/examples/selfClose.htm

<!DOCTYPE html>
<html>
<head>
    <title>Modal Dialog for Testing</title>
</head>
<body>
	<p>This'll be gone in one second; we're just testing the interaction of setImmediate and <code>window.showModalDialog</code>.</p>
    <script>
        setTimeout(function () {
            window.close();
        }, 1000);
    </script>
</body>
</html>