anychart.onDocumentReady(function () {
var chart = anychart.column([
{x: 'January', value: 29},
{x: 'February', value: 72},
{x: 'March', value: 250},
{x: 'April', value: 330},
var yGrid = chart.yGrid(0);
yGrid.stroke('2 #F44336');
chart.title('Get and modify yGrid object');
chart.container('container');