code: function () {
        this.showHeader(this.todoList);
        this.showFooter(this.todoList);
        this.showTodoList(this.todoList);
        this.todoList.on('all', this.updateHiddenElements, this);
        this.todoList.fetch();
      }
docs: Start the app by showing the appropriate views and fetching the list of todo items, if there are any