detail_view.coffee

    @model.comments.fetch
      success: =>

        commentListView = new CommentListView
          collection: @model.comments
          fetchOnInit: false
          title: 'All comments'

        $(@el).append commentListView.render().el

        recentCommentView = new CommentListView
          collection: @model.comments
          fetchOnInit: false
          title: 'Most recent comment'
          showLast: 1
          className: 'recent-comment comments'

        $(@formView.el).after recentCommentView.render().el