anychart.onDocumentReady(function () {
var chart = anychart.line([
chart.yScale().minimum(0);
var controller = chart.annotations();
var annotation = controller.ellipse();
annotation.valueAnchor(17);
annotation.secondXAnchor(2.1);
annotation.secondValueAnchor(19);
annotation.markers(true);
chart.title('Enable annotation markers');
chart.container('container');