The method getrows returns an array of grid cells of selected rows. The arguments are the index numbers of the selected rows.
var pggrid = new jsgrid(); pggrid.init({ id: "wrp", rows: 5, columns: 12, width: 25, height: 20, gutter: 1, backgroundColor: "#7fffd4" }); var rows = pggrid.getrows(0, 2, 4); //set backgroundColor of selected rows pggrid.setbackgroundcolor(rows, "#bbff00");