code: function() {
      this.$('tfoot').remove();
      this.$('tr.noRows').remove();
  
      // unbind rows before cleaning them when all are gonna be removed
      var rowView = null;
      while(rowView = this.rowViews.pop()) {
        // this is a hack to avoid all the elements are removed one by one
        rowView.unbind(null, null, this);
        // each element removes itself from rowViews
        rowView.clean();
      }
      // clean all the html at the same time
      this.rowViews = [];
    }
docs: remove all rows