anychart.onDocumentReady(function () {
var chart = anychart.area();
var series = chart.stepArea([
{x: 'January', value: 125},
{x: 'February', value: 132},
{x: 'March', value: 141},
{x: 'April', value: 158},
series.stroke('#F44336');
var stroke = series.stroke();
chart.title({text: 'Get and use series stroke', fontColor: stroke});
chart.container('container');