code: function() {
        var array = [],
            i, j, ilen, jlen;
        for(i = 0, ilen = this.elements.length; i < ilen; i++) {
          var row = [];
          for(j = 0, jlen = this.column_names.length; j < jlen ; j++) {
            row.push( this.elements[i][ this.column_names[j] ] );
          }
          array.push(row);
        }
        return array;
      }
docs: /*
  Return the elements as an array of arrays, instead of an array of objects