anychart.onDocumentReady(function () {
var chart = anychart.sparkline([50, 15, 10, 60, 20, 70, 30]);
var firstMarkers = chart.firstMarkers();
firstMarkers.enabled(true);
firstMarkers.fill('#4CAF50');
chart.title({text: 'Get and modify markers for the first point', orientation: 'top'});
chart.container('container');