Adding fix to enable dynamic filtering

architecture-examples/backbone/js/models/todo.js

@@ -23,6 +23,7 @@
 		// Toggle the `completed` state of this todo item.
 		toggle: function() {
 			this.save({completed: !this.get("completed")});
+			window.app.Todos.trigger('reset');
 		},
 
 		// Remove this Todo from *localStorage* and delete its view.