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();
chart.padding(10, 10, 10, 50);
chart.scrollerGrouping({maxVisiblePoints: 100});
var scroller = chart.scroller();
var grouping = chart.grouping();
var levels = grouping.levels();
chart.title("The current grouping levels is " + levels[0].unit + ".");
chart.container("container");