1 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/.
2 CONSOLE WARNING: Setting 'XMLHttpRequest.withCredentials' for synchronous requests is deprecated.
3 Test case for bug 37781: [XHR] Cross-Origin synchronous request with credential raises NETWORK_ERR