Drilldown treemap

by gokulmaha

HTML

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

<div id="container" style="min-width: 310px; max-width: 600px; height: 400px; margin: 0 auto"></div>

<!-- Data from www.netmarketshare.com. Select Browsers => Desktop share by version. Download as tsv. -->
<pre id="tsv" style="display:none">Browser Version    Total Market Share
Microsoft Internet Explorer 8.0    26.61%
Microsoft Internet Explorer 9.0    16.96%
Chrome 18.0    8.01%
Chrome 19.0    7.73%
Firefox 12    6.72%
Microsoft Internet Explorer 6.0    6.40%
Firefox 11    4.72%
Microsoft Internet Explorer 7.0    3.55%
Safari 5.1    3.53%
Firefox 13    2.16%
Firefox 3.6    1.87%
Opera 11.x    1.30%
Chrome 17.0    1.13%
Firefox 10    0.90%
Safari 5.0    0.85%
Firefox 9.0    0.65%
Firefox 8.0    0.55%
Firefox 4.0    0.50%
Chrome 16.0    0.45%
Firefox 3.0    0.36%
Firefox 3.5    0.36%
Firefox 6.0    0.32%
Firefox 5.0    0.31%
Firefox 7.0    0.29%
Proprietary or Undetectable    0.29%
Chrome 18.0 - Maxthon Edition    0.26%
Chrome 14.0    0.25%
Chrome 20.0    0.24%
Chrome 15.0    0.18%
Chrome 12.0    0.16%
Opera 12.x    0.15%
Safari 4.0    0.14%
Chrome 13.0    0.13%
Safari 4.1    0.12%
Chrome 11.0    0.10%
Firefox 14    0.10%
Firefox 2.0    0.09%
Chrome 10.0    0.09%
Opera 10.x    0.09%
Microsoft Internet Explorer 8.0 - Tencent Traveler Edition    0.09%</pre>

JavaScript

// Create the chart
Highcharts.chart('container', {
    chart: {
        type: 'treemap'
    },
    title: {
        text: 'Browser market shares. January, 2015 to May, 2015'
    },
    subtitle: {
        text: 'Click the slices to view versions. Source: netmarketshare.com.'
    },
    plotOptions: {
        series: {
            dataLabels: {
                enabled: true,
                format: '{point.name}: {point.y:.1f}%'
            }
        }
    },

    tooltip: {
        headerFormat: '<span style="font-size:11px">{series.name}</span><br>',
        pointFormat: '<span style="color:{point.color}">{point.name}</span>: <b>{point.y:.2f}%</b> of total<br/>'
    },
    series: [{
        name: 'Brands',
        colorByPoint: true,
        data: [{
            name: 'Microsoft Internet Explorer',
            value: 56.33,
            drilldown: 'Microsoft Internet Explorer'
        }, {
            name: 'Chrome',
            value: 24.03,
            drilldown: 'Chrome'
        }, {
            name: 'Firefox',
            value: 10.38,
            drilldown: 'Firefox'
        }, {
            name: 'Safari',
            value: 4.77,
            drilldown: 'Safari'
        }, {
            name: 'Opera',
            value: 0.91,
            drilldown: 'Opera'
        }, {
            name: 'Proprietary or Undetectable',
            value: 0.2,
            drilldown: null
        }]
    }],
    drilldown: {
        series: [{
          colorByPoint: true,
          name: 'Microsoft Internet Explorer',
            id: 'Microsoft Internet Explorer',
            data: [
                ['v11.0', 24.13],
                ['v8.0', 17.2],
                ['v9.0', 8.11],
                ['v10.0', 5.33],
                ['v6.0', 1.06],
                ['v7.0', 0.5]
            ]
        }, {
          colorByPoint: true,
          name: 'Chrome',
            id: 'Chrome',
            data: [
                ['v40.0', 5],
                ['v41.0', 4.32],
             ...