anychart.onDocumentReady(function () {
var chart = anychart.line([
{x: 'January', value: 20},
{x: 'February', value: 50},
var background = chart.background();
background.stroke({color: '#9E9E9E', thickness: 2, opacity: 0.9});
chart.title('Set stroke parameter as an object');
chart.container('container');