When we talk of building any system, we either have to deal with objects, or with collections. Those objects often contain collections, for example, in a one-to-many relationship. So, AngularFire gives us two different services—$firebaseObject and $firebaseArray—to synchronize objects and arrays with the backend. Let's see how to use each of these services in the following examples.
So, here's our index.html file (just the relevant part of the code is shown):
<script src="https://cdn.firebase.com/js/client/2.2.3/firebase.js"> </script> <script src="https://cdn.firebase.com/libs/angularfire/1.0.0/angularfire.min.js"> </script> <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.7.0/underscore-min.js"> </script>
(Chapter5\sync-objs-arrays\index.html)
We are referring to firebase, angularfire, and the Underscore (http://underscorejs.org/) libraries from the CDNs. In a real-life scenario, we...