anychart.onDocumentReady(function () {
var chart = anychart.line();
var lineSeries = chart.line([1, 1.6, 1.2, 2.1]);
chart.column([5, 1, 2, 1.6]);
var zIndex = lineSeries.zIndex();
chart.title("Z-Index of the series - " + zIndex);
chart.container("container");