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 scroller = chart.scroller();
scroller.stepArea(mapping);
chart.title('Add Step Area series to a scroller');
chart.container('container');