I'm trying Facebook authentication for my app for the first time I'm able to get it working fine through a tutorial, I can login a user and log them out using the handy Facebook Login Button as shown in an example in the Facebook SDK docs hereThe Login button is a simple way to trigger the Facebook Login process on your website or web app If someone hasn't logged into your app yet, they'll see this button, and clicking it will open a Login dialog, starting the login flow People who have already logged in won't see any button, or you can also choose to show a logout button to themClick in the top right of Facebook Click Log Out at the bottom of the menu that appears If you've logged into your Facebook account on multiple devices If you've logged into your Facebook account on multiple devices, you'll need to log out of each device separately
4 Easy Ways To Log Out Of Facebook Wikihow
