Downloading AngularFire
In order to use AngularFire in your project, you need to include the following files in your HTML:
<!-- AngularJS -->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.1/angular.min.js"></script>
<!-- Firebase -->
<script src="https://www.gstatic.com/firebasejs/3.6.6/firebase.js"></script>
<!-- AngularFire -->
<script src="https://cdn.firebase.com/libs/angularfire/2.3.0/angularfire.min.js"></script>
You can also install AngularFire via npm and Bower and its dependencies will be downloaded
automatically:
$ npm install angularfire --save
$ bower install angularfire --save