CONSOLE WARNING: Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check http://xhr.spec.whatwg.org/.
CONSOLE ERROR: XMLHttpRequest cannot load http://localhost:8000/xmlhttprequest/resources/access-control-preflight-denied-xsrf.php?state=header. Request header field X-NON-STANDARD is not allowed by Access-Control-Allow-Headers.
PASS: Request successfully blocked.