code: function () {
  			this.allCheckbox = this.$('#toggle-all')[0];
  			this.$input = this.$('#new-todo');
  			this.$footer = this.$('#footer');
  			this.$main = this.$('#main');
  			this.$todoList = this.$('#todo-list');
  
  			this.listenTo(this.collection, 'add', this.addOne);
  			this.listenTo(this.collection, 'reset', this.addAll);
  			this.listenTo(this.collection, 'change:completed', this.filterOne);
  			this.listenTo(this.collection, 'filter', this.filterAll);
  			this.listenTo(this.collection, 'all', this.render);
  
  			this.collection.fetch();
  		}
docs: At initialization we bind to the relevant events on the `this.collection` collection, when items are added or changed. Kick things off by loading any preexisting todos that might be saved in *localStorage*.