1<html> 2<head> 3<script> 4function changeHost() { 5 window.location.host = "www.example.com:"; 6} 7</script> 8</head> 9<body> 10<p>This will test the URL canonicalization by assigning a host with an empty port specifier to window.location.host</p> 11<p>Clicking the following button should change the host in the current URL to "www.example.com:". It actually loading is not important - 12if you see "www.example.com:0" the test has failed. You should see "www.example.com:"</p> 13<input type="button" value="Click Here" onClick="changeHost();"> 14</body> 15</html> 16