anychart.onDocumentReady(function () {
var dataTable = anychart.data.table();
dataTable.addData(get_dji_daily_short_data());
var mapping = dataTable.mapAs({value: 1});
var chart = anychart.stock();
var series = plot.stepArea(mapping);
var customHatchFill = anychart.graphics.hatchFill('zig-zag', '#ffffff', 0.9, 20);
series.hatchFill(customHatchFill);
chart.title('Set hatch fill parameter as an instance');
chart.container('container');