anychart.onDocumentReady(function () {
var chart = anychart.sparkline([5, 50, -10, 60, -20, 70, 30]);
chart.lineMarker(1, {value: 30, stroke: "#F44336"});
chart.lineMarker(0, null);
chart.title({text: 'Disable chart line marker by index', orientation: 'top'});
chart.container('container');