1 <html> 2 <head> 3 <script> 4 function 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 - 12 if 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