function handleRequest(request, response) {
const cookies = request.hasHeader("Cookie")
? request.getHeader("Cookie")
: "";
response.write(`
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
</head>
<body>
<p>Cookie: <span id="cookieSpan">${cookies}</span></p>
</body>
</html>
`);
}
