1. Use 3rd party sites to determine if cookies and Javascript are enabled.
https://www.whatismybrowser.com/detect/is-javascript-enabled
https://www.whatismybrowser.com/detect/are-cookies-enabled
2. Enable debugger mode (F12 -DDebugger) in Internet Explorer and monitor the variable self.isCookiesSupported is set to True
This var is in document UI.Common.BrowserWarning.js
Set the breakpoint at self.isCookiesSupported = self.checkCookies(); to step through the script.
Monitor and confirm the variable self.isCookiesSupported is set toTrue.