Visit the nicer page at http://davidchang.github.io/angular-facebook-utils/ for more details.
bower install angular-facebook-utils<script src="bower_components/angular-facebook-utils/src/facebookUtils.min.js"></script>angular.module('facebookUtilsDemo', ['facebookUtils']);<facebook-login-button></facebook-login-button>
I took code and ideas from these 3 places, so they deserve more obvious credit:
http://blog.brunoscopelliti.com/facebook-authentication-in-your-angularjs-web-app
https://github.com/Terumi/AngularJS-Facebook-Login/blob/master/js/app.js