Firebase Cookbook

How to do it...

1. By now, your console is well configured. Let's add some logic from the Facebook login button to the Firebase authentication API call:

                                     

Figure 9: Basic application - adding a Facebook OAuth button

2. Next, let's hook our button with an event listener and introduce the logic behind the Firebase Facebook sign-in method:

      let facebookLogin =         document.getElementById('fcbLogin');      facebookLogin.addEventListener('click', () => {         //TODO HERE : ADD LOGIC      }, false);

3. Before we call the authentication Firebase function, we need to configure the authentication provider, as the following code shows: ...