anychart.onDocumentReady(function () {
var chart = anychart.area();
var series = chart.splineArea([
{x: 'January', value: 5},
{x: 'February', value: 6},
series.fill([{offset: 0.2, color: '#DCE35B', opacity: 0.6}, '#45B649 0.6']);
chart.title('Set fill parameter as an array');
chart.container('container');