anychart.onDocumentReady(function () {
var chart = anychart.cartesian();
var series = chart.area([
{x: 'January', value: 1},
{x: 'February', value: 2},
{x: 'March', value: 1.2},
var tooltip = series.tooltip();
tooltip.background({fill: '#7fffd4', stroke: '3 #6D4C41'});
chart.title('Get and modify tooltip');
chart.container('container');