index.html

<html>
<head>
    <!-- Note: This APP RUNS Only on localhost domain if be transfered to other domains my Google Cloud Platform must be configured to set to a new or a sub domain - Ken  -->

    <!-- Client ID is on the content tag it can be found on my account on Google Cloud Platform,
    configurations can be found there, this app authenticates with google - Ken -->
    <meta name="google-signin-client_id" content="186397944996-cf8pdf74qpj7dvleubue5a6ha9noget4.apps.googleusercontent.com">
    <script src="https://apis.google.com/js/platform.js" async defer></script>
    <script type="text/javascript">
    // On Clicked of SignIn data below from login user will be fetch as per user agreed
    function onSignIn(googleUser) {
        var profile = googleUser.getBasicProfile();
        console.log('ID: ' + profile.getId());
        console.log('Name: ' + profile.getName());
        console.log('Email: ' + profile.getEmail());
    }
    </script>
    <script>
    //Simple Signout - Ken
    function signOut() {
        var auth2 = gapi.auth2.getAuthInstance();
        auth2.signOut().then(function () {
            console.log('User signed out.');
        });
    }
    </script>
</head>
<body>
    <!-- Button sign in is from Google automatically synced when platform.js and g-signin2 is placed - Ken -->
    <div class="g-signin2" data-onsuccess="onSignIn"></div>
    <a href="#" onclick="signOut();">Sign out</a>
</body>

</html>