anychart.onDocumentReady(function () {
var chart = anychart.line();
var series1 = chart.line([
{x: 'Cycling', value: 18},
{x: 'Swimming', value: 25},
var series2 = chart.line([
{x: 'Cycling', value: 35},
{x: 'Swimming', value: 23},
var zIndex = series2.zIndex();
chart.title('Z-Index of the series is ' + zIndex);
chart.container('container');