code: function() {
  
  			this.$("#todo-list").html('');
  
  			switch(window.app.TodoFilter){
  				case "active":
  					_.each(window.app.Todos.remaining(), this.addOne);
  					break;
  				case "completed":
  					_.each(window.app.Todos.completed(), this.addOne);
  					break;
  				default:
  					window.app.Todos.each(this.addOne, this);
  					break;
  			}
  
  		}
docs: Add all items in the **Todos** collection at once.