active data label in Pie Chart - Javascript highcharts

Javascript examples for highcharts:Pie Chart

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Description

active data label in Pie Chart

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <title>Highcharts Demo</title> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <style id="compiled-css" type="text/css">

.data-label-selected>span {
   color: red !important;
}


      </style> 
   </head> 
   <body> 
      <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> 
      <div id="container" style="min-width: 310px; height: 400px; max-width: 600px; margin: 0 auto"></div> 
      <script type="text/javascript">
Highcharts.chart('container', {
    chart: {//ww w  . ja va 2  s.  c om
        plotBackgroundColor: null,
        plotBorderWidth: null,
        plotShadow: false,
        type: 'pie',
        events: {
            render: function() {
                this.series[0].points[0].dataLabel.addClass('data-label-selected');
            }
        }
    },
    title: {
        text: 'Browser market shares in January, 2018'
    },
    tooltip: {
        pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
    },
    plotOptions: {
        pie: {
            allowPointSelect: true,
            cursor: 'pointer',
            dataLabels: {
                useHTML: true,
                enabled: true,
                format: '<b>{point.name}</b>: {point.percentage:.1f} %',
                style: {
                    color: (Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black'
                }
            }
        }
    },
    series: [{
        name: 'Brands',
        colorByPoint: true,
        point: {
            events: {
                select: function() {
                    var points = this.series.points;
                    Highcharts.each(points, function(p) {
                        if (p.dataLabel.hasClass('data-label-selected')) {
                            p.dataLabel.removeClass('data-label-selected');
                        }
                    });
                    this.dataLabel.addClass('data-label-selected');
                }
            }
        },
        data: [{
            name: 'Chrome',
            y: 11.41,
            sliced: true,
            selected: true
        }, {
            name: 'Internet Explorer',
            y: 11.84
        }, {
            name: 'Firefox',
            y: 10.85
        }, {
            name: 'Edge',
            y: 4.67
        }, {
            name: 'Safari',
            y: 4.18
        }, {
            name: 'Sogou Explorer',
            y: 1.64
        }, {
            name: 'Opera',
            y: 1.6
        }, {
            name: 'QQ',
            y: 1.2
        }, {
            name: 'Other',
            y: 2.61
        }]
    }]
});

      </script>  
   </body>
</html>

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