Yes, for that i prefer my own Namespace and extend not directly from Backbone (e.g. same when you use Backbone-Marionette). Before you change your views, you s

Yes, for that i prefer my own Namespace and extend not directly from Backbone (e.g. same when you use Backbone-Marionette). Before you change your views, you should think about an own class on top of backbone and extend from that class. So you can handle default behaviours easier and centralized.