anychart.onDocumentReady(function () {
var chart = anychart.area();
var series = chart.stepArea([
{x: "January", value: 125},
{x: "February", value: 132},
{x: "March", value: 141},
{x: "April", value: 158},
series.selectHatchFill("backwardDiagonal", "#E0E0E0", 1, 15);
chart.title("Set select hatch fill parameters");
chart.container("container");