anychart.onDocumentReady(function () {
var chart = anychart.waterfall([166, 43, -79, -46, 84, NaN]);
chart.grid(0, {axis: chart.xAxis()});
chart.grid(1, {axis: chart.yAxis(), evenFill: "#FFFF8D 0.3"});
chart.title("Set chart grid by index as object");
chart.container("container");