Column with drilldown

author(s): Torstein Hønsi

by oysteinmoseng

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>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<script src="https://code.highcharts.com/modules/export-data.js"></script>
<script src="https://code.highcharts.com/modules/accessibility.js"></script>

<figure class="highcharts-figure">
    <div id="container"></div>
    <p class="highcharts-description">
        Chart showing browser market shares. Clicking on individual columns
        brings up more detailed data. This chart makes use of the drilldown
        feature in Highcharts to easily switch between datasets.
    </p>
</figure>

CSS

.highcharts-figure,
.highcharts-data-table table {
    min-width: 310px;
    max-width: 800px;
    margin: 1em auto;
}

#container {
    height: 400px;
}

.highcharts-data-table table {
    font-family: Verdana, sans-serif;
    border-collapse: collapse;
    border: 1px solid #ebebeb;
    margin: 10px auto;
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.highcharts-data-table caption {
    padding: 1em 0;
    font-size: 1.2em;
    color: #555;
}

.highcharts-data-table th {
    font-weight: 600;
    padding: 0.5em;
}

.highcharts-data-table td,
.highcharts-data-table th,
.highcharts-data-table caption {
    padding: 0.5em;
}

.highcharts-data-table thead tr,
.highcharts-data-table tr:nth-child(even) {
    background: #f8f8f8;
}

.highcharts-data-table tr:hover {
    background: #f1f7ff;
}

JavaScript

// Plugin for setting role="button" on drilldown points

Highcharts.addEvent(Highcharts.Chart.prototype, 'render', function () {
	var chart = this;
	setTimeout(function () {
    	chart.series.forEach(function (series) {
        	series.points.forEach(function (point) {
            	if (point.drilldown && point.graphic) {
                	point.graphic.attr('role', 'button');
                }
            });
        });
    }, 1);
});


// ---------------------------------------------------------------


// Data retrieved from https://gs.statcounter.com/browser-market-share#monthly-202201-202201-bar

// Create the chart
Highcharts.chart('container', {
    chart: {
        type: 'column'
    },
    title: {
        align: 'left',
        text: 'Browser market shares. January, 2022'
    },
    subtitle: {
        align: 'left',
        text: 'Click the columns to view versions. Source: <a href="http://statcounter.com" target="_blank">statcounter.com</a>'
    },
    accessibility: {
        announceNewData: {
            enabled: true
        }
    },
    xAxis: {
        type: 'category'
    },
    yAxis: {
        title: {
            text: 'Total percent market share'
        }

    },
    legend: {
        enabled: false
    },
    plotOptions: {
        series: {
            borderWidth: 0,
            dataLabels: {
                enabled: true,
                format: '{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: 'Browsers',
            colorByPoint: true,
            data: [
                {
                    name: 'Chrome',
                    y: 63.06,
                    drilldown: 'Chrome'
                },
                {
                    name: 'Safari',
                    y: 19.84,
    ...