APM - Close Browser

It would be nice, but browsers don't allow javascript to do that unless the same javascript opened the page in the first place. 

See this discussion:

https://stackoverflow.com/questions/42349487/how-to-close-active-tab-with-javascript

The ordinary workaround is to 302 redirect or .location() them to a page that:

1- Clears (resets to an invalid value or sets it to expire, usually do both) their cookies and/or any session storage.

2- Shows them a "you are safely logged out, please close your browser now" message.