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.title('Get annotation plot and enable grid');
chart.container('container');
var triangleAnnotations = plot.annotations();
triangleAnnotations.startDrawing('triangle');
var annotation = plot.annotations().getAnnotationAt(0);
var annotationPlot = annotation.getPlot();
annotationPlot.yGrid(true);