Pie chart with legend

author(s): Øystein Moseng

by oysteinmoseng

HTML

<script src="https://code.highcharts.com/highcharts.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>
<script src="https://code.highcharts.com/themes/high-contrast-light.js"></script>

<h1>Pie with legend</h1>
<h2>Chart</h2>
<figure class="highcharts-figure">
    <div id="container"></div>
    <p class="highcharts-description">
        Pie chart with a color legend describing the slices. This is problematic for accessibility, but sometimes seen especially on small screens. The Edge slice is highlighted.
    </p>
</figure>
<h2>CSV data</h2>
<pre id="csv"></pre>

CSS

body {
  font-family: Verdana, sans-serif;
  padding-left: 10px;
}

h2 {
  font-size: 1.3rem;
  margin-left: 10px;
  margin-bottom: 0;
  margin-top: 1.5rem;
}

pre {
  margin-left: 1rem;
  border: 1px solid #cde;
  max-width: 600px;
  padding: 10px;
  background-color: #f9f9f9;
  border-radius: 10px;
}

.highcharts-figure, .highcharts-data-table table {
    min-width: 320px;
    max-width: 600px;
    margin: 1em;
}

.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;
}


input[type="number"] {
	min-width: 50px;
}

JavaScript

var colors = Highcharts.getOptions().colors;


var chart = Highcharts.chart('container', {
    chart: {
        type: 'pie'
    },
    title: {
        text: 'Browser<br>shares<br>2018',
        align: 'center',
        verticalAlign: 'middle',
        y: 60
    },
    tooltip: {
        pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
    },
    accessibility: {
        point: {
            valueSuffix: '%'
        }
    },
    legend: {
    	enabled: true
    },
    plotOptions: {
        pie: {
        	showInLegend: true,
            dataLabels: {
                enabled: false,
            }
        }
    },
    series: [{
        name: 'Market share',
        colorByPoint: true,
        data: [{
            name: 'Chrome',
            y: 61.41
        }, {
            name: 'Internet Explorer',
            y: 11.84
        }, {
            name: 'Firefox',
            y: 10.85
        }, {
            name: 'Edge',
            y: 4.67,
            sliced: true,
        	dataLabels: {
            	enabled: true,
                format: 'Highlighted slice'
            },
            accessibility: {
            	description: 'Highlighted slice'
            }
        }, {
            name: 'Safari',
            y: 4.18,
            color: colors[8]
        }, {
            name: 'Other',
            y: 7.05,
            color: colors[4]
        }]
    }]
});


var csv = chart.getCSV();
document.getElementById('csv').innerHTML = csv;