Highcharts DrillDown Issue

author(s):

by sqiudward

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/data.js"></script>
<script src="https://code.highcharts.com/modules/drilldown.js"></script>

<div id="container" style="min-width: 310px; height: 400px; margin: 0 auto"></div>

JavaScript

$(function () {
    // Create the chart
    Highcharts.chart('container', {
        chart: {
            type: 'column'
        },
        title: {
            text: 'Sample'
        },
        subtitle: {
            text: ''
        },
        xAxis: {
            type: 'category'
        },
        yAxis: {
            title: {
                text: ''
            }

        },
        legend: {
            enabled: false
        },
        plotOptions: {
            series: {
                borderWidth: 0,
                dataLabels: {
                    enabled: true
                }
            }
        },

        tooltip: {
            headerFormat: '<span style="font-size:11px">{series.name}</span><br>',
            pointFormat: '<span style="color:{point.color}">{point.name}</span>: <b>{point.y:.2f}<br/>'
        },

        series: [{
            name: 'Brands',
            colorByPoint: true,
            data: [{ name: 'Point1', y: 100, drilldown: 'Point1' },
{ name: 'Point2', y: 101, drilldown: 'Point2' },
{ name: 'Point3', y: 102, drilldown: 'Point3' },
{ name: 'Point4', y: 103, drilldown: 'Point4' },
{ name: 'Point5', y: 104, drilldown: 'Point5' },
{ name: 'Point6', y: 105, drilldown: 'Point6' },
{ name: 'Point7', y: 106, drilldown: 'Point7' },
{ name: 'Point8', y: 107, drilldown: 'Point8' },
{ name: 'Point9', y: 108, drilldown: 'Point9' },
{ name: 'Point10', y: 109, drilldown: 'Point10' },
{ name: 'Point11', y: 110, drilldown: 'Point11' },
{ name: 'Point12', y: 111, drilldown: 'Point12' },
{ name: 'Point13', y: 112, drilldown: 'Point13' },
{ name: 'Point14', y: 113, drilldown: 'Point14' },
{ name: 'Point15', y: 114, drilldown: 'Point15' },
{ name: 'Point16', y: 115, drilldown: 'Point16' },
{ name: 'Point17', y: 116, drilldown: 'Point17' },
{ name: 'Point18', y: 117, drilldown: 'Point18' },
{ name: 'Point19', y: 118, drilldown: 'Point19' },
{ name: 'Point20', y: 119, drilldown: 'Point20' },
{ name: 'Point21', y: 120, drilldown: 'Point21' },
{...