Untitled

<!DOCTYPE html>
<html>

  <head>
    <script src="https://www.gstatic.com/firebasejs/3.7.1/firebase.js"></script>
    <script
  src="https://code.jquery.com/jquery-3.2.1.js"
  integrity="sha256-DZAnKJ/6XZ9si04Hgrsxu/8s717jcIzLy3oi35EouyE="
  crossorigin="anonymous"></script>
    <link rel="stylesheet" href="style.css" />
    <script src="script.js"></script>
  </head>

  <body>
    <button onclick="login()">Login to Google</button>
    <script>
    
    
    var config = {
        apiKey: "AIzaSyDgI_Y6e7ShbY0p6F5TyGbdwwGFmZyQETw",
        authDomain: "test-21739.firebaseapp.com",
        databaseURL: "https://test-21739.firebaseio.com",
        storageBucket: "test-21739.appspot.com",
        messagingSenderId: "1090425677940"
      };
  
    firebase.initializeApp(config);
    
    function login(){
      
      // Start a sign in process for an unauthenticated user.
      var provider = new firebase.auth.GoogleAuthProvider();
      provider.addScope('profile');
      provider.addScope('email');
      provider.addScope('https://www.googleapis.com/auth/contacts');
      provider.addScope('https://www.googleapis.com/auth/contacts.readonly');
      provider.addScope('https://www.googleapis.com/auth/plus.login');
      
      
      firebase.auth().signInWithPopup(provider).then(function(result) {
        // This gives you a Google Access Token. You can use it to access the Google API.
        var token = result.credential.accessToken;
        // The signed-in user info.
        var user = result.user;
        
        $.get('https://people.googleapis.com/v1/people/me/connections?access_token=' + token, function(data){
          console.log(data);
        });
        
      }).catch(function(error) {
        // Handle Errors here.
        var errorCode = error.code;
        var errorMessage = error.message;
        // The email of the user's account used.
        var email = error.email;
        // The firebase.auth.AuthCredential type that was used.
        var credential = error.credential;
        // ...
      });
      
    }
  </script>
  </body>

</html>

// Code goes here

/* Styles go here */