Now that you have the chat application up and running, you’ll learn how to use this application as if you were a common user.
Open a Google Chrome browser window and a new incognito window so that you can simulate two different users. Also, use your mobile phone to simulate a third user. On your computer, go to http://localhost:8080. On your mobile phone, go to http://YOUR_COMPUTER_IP:8080.
To find out your computer’s Internet Protocol (IP) address, open a terminal ...