var nodes = []; for(var i=0; i<this.colCount; i++){ nodes[i] = this.pageNodes[i][inPageIndex]; } //this.renderRows(inPageIndex*this.rowsPerPage, this.rowsPerPage, nodes); for(var i=0, j=inPageIndex*this.rowsPerPage; (i<this.rowsPerPage)&&(j<this.rowCount); i++, j++){ this.renderRow(j, nodes); }