anychart.onDocumentReady(function () {
var chart = anychart.line([
{x: 'January', value: 20},
{x: 'February', value: 50},
var background = chart.background();
background.fill('#B0BEC5 0.3');
background.corners([40, 7, 20, 7]);
chart.title('Set corners radius parameter as an array');
chart.container('container');