<!DOCTYPE html>
<html>
<head><title>HEAD</title></head>
<body id="test">
<button onclick="myFunction()">Try it</button>
<a href="/">/</a>
<a href="/home">/home</a>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.head; //.innerHTML;
console.assert(x === '<TITLE>HEAD></TITLE>', x);
}
console.error('document.head.html');
myFunction();
console.exit();
</script>
</body>
</html>