anychart.onDocumentReady(function () {
var chart = anychart.waterfall([166, 43, -79, -46, 84, NaN]);
var leftYAxis = chart.yAxis(0);
leftYAxis.ticks({stroke: "#2196F3"});
var rightYAxis = chart.yAxis(1);
rightYAxis.orientation("right");
rightYAxis.stroke("#2196F3");
chart.title("Get and modify chart yAxis");
chart.container("container");