anychart.onDocumentReady(function () {
var chart = anychart.cartesian();
{x: 'January', value: 29},
{x: 'February', value: 72},
{x: 'March', value: 250},
{x: 'April', value: 330},
chart.xGrid(0, {palette: ['#ffcc80', '#80cbc4', '#aed581', '#e6ee9c']});
chart.title('Disable chart xGrid by index');
chart.container('container');