Firebase Cookbook

How to do it...

1. For our application, we've already created a new connection button and configured its reference on the JavaScript side. The screen after configuring the Google Sign-in button (Figure 15):

Figure 15: Adding the Google authentication button for our basic application

2. Now, with the help of the JavaScript code of our application, let's wire up the Sign in with Google button for our usage. The code to do this is as follows:

      let googleLogin =       document.getElementById('googleLogin');      googleLogin.addEventListener('click', () => {          //TODO: Handle Google authentication here.      });

3. Like the rest of the authentication methods, we ...