Persistence in Firebase

When a user logs into our Firebase application, the user’s authentication state is persisted by default, until the user explicitly signs out. This is convenient because requiring a user to sign in whenever the user visits our application or reloads the browser is a bad user experience. However, there are situations where this behavior might not be ideal. hen a user logs in on a publicly shared device, forgets to sign out, or when our application holds sensitive information, we need to override this default behavior.

Using the Firebase Authentication ...