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.splineArea(mapping);
series.fill(['#FEFEFE', '#424242'], 0.6, 0.5, null, 0.8, 0.9, 0.31);
chart.title('Set fill as a radial gradient');
chart.container('container');