anychart.onDocumentReady(function () {
var chart = anychart.line([
{x: 'January', value: 29},
{x: 'February', value: 72},
{x: 'March', value: 250},
{x: 'April', value: 330},
var yScale = chart.yScale();
chart.title('Get and modify yScale object');
chart.container('container');