Mastering Backbone.js

Objects not provided by Backbone

It is possible to develop Backbone applications only using the Backbone objects that are described in the previous section; however, for a medium-to-large application, it's not sufficient. We need to introduce a new kind of object with delimited responsibilities that use and coordinate Backbone foundation objects.

Subapplication façade

This object is the public interface of the subapplications. Any interaction with the subapplications should be done through its methods. The calls made directly to internal objects of the subapplication are discouraged. Typically, methods on this controller are called from the router; however, they can be called from anywhere.

The main responsibility of this object is to simplify subapplication ...