anychart.onDocumentReady(function () {
var dataTable = anychart.data.table();
dataTable.addData(get_dji_daily_short_data());
var mapping = dataTable.mapAs({high: 1, low: 3});
var chart = anychart.stock();
var series = plot.rangeStepArea(mapping);
series.fill([{offset: 0.4, color: '#ffab91', opacity: 0.7}, '#dce35b']);
chart.title('Set series fill parameter as an array');
chart.container('container');