cordova-facebook-install

cordova plugin add https://github.com/phonegap/phonegap-facebook-plugin.git --variable APP_ID="YOUR_FB_APP_ID" --variable APP_NAME="YOUR_APP_NAME"

index.js

<script type="text/javascript">
    if (typeof CDV == 'undefined') alert('CDV variable does not exist. Check that you have included cdv-plugin-fb-connect.js correctly');
    if (typeof FB == 'undefined') alert('FB variable does not exist. Check that you have included the Facebook JS SDK file.');

    document.addEventListener('deviceready', function() {
        try {
            FB.init({
                appId: "YOUR_FB_APP_ID",
                nativeInterface: CDV.FB,
                useCachedDialogs: false
            });
            document.getElementById('data').innerHTML = "";
        } catch (e) {
            alert(e);
        }
    }, false);
</script>

login.js

var loginButton = $('#login-with-facebook');

loginButton.on('click', function(e) {
	e.preventDefault();

	FB.login(function(response) {
		if (response.status === 'connected') {
			alert('logged in');
		} else {
			alert('not logged in');
		}
	},{ scope: "email" });

});