Highcharts Demo

author(s): Torstein Hønsi

by Chitkala More

HTML

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<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>

JavaScript

function renderElements() {
 if (this.legend) {
      this.legend.destroy();
    }
    //distance between 2 elements
    let itemDistance = this.legend.options.itemDistance;
    //the biggest element
    let maxItemWidth = this.legend.maxItemWidth;
    //make the width of the legend in the size of 2 largest elements + distance  
    let nextLegendWidth = (maxItemWidth * 2) + itemDistance;
    //container width
    let boxWidth = this.plotBox.width;
    //if the length of the 2 largest elements + the distance between them is less than the width of 			container, we make 1 row, else set legend width 2 max elements + distance between
    if (boxWidth < nextLegendWidth) {
      this.legend.options.width = maxItemWidth;
    } else {
      this.legend.options.width = nextLegendWidth;
    }

  
   this.render()
}
// Build the chart
Highcharts.chart('container', {
    chart: {
    		height: 411,
        plotBackgroundColor: null,
        plotBorderWidth: null,
        plotShadow: false,
        type: 'pie',
        events: {
        	load: renderElements,
        	redraw: renderElements,
      },
    },
     legend: {
         align: 'center',
      marginBottom: 0,
      marginTop: 15,
      maxHeight: 135,
      y: 10,
      symbolWidth: 11,
      symbolHeight: 11,
      itemMarginBottom: 5,
      itemDistance: 5,
    },
    title: {
        text: 'Browser market shares in January, 2018'
    },
    tooltip: {
        pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
    },
    plotOptions: {
        pie: {
            allowPointSelect: true,
            cursor: 'pointer',
            dataLabels: {
                enabled: false
            },
            showInLegend: true
        }
    },
    series: [{
        name: 'Brands',
        colorByPoint: true,
        data: [{
            name: 'Chrome',
            y: 61.41,
            sliced: true,
            selected: true
        }, {
            name: 'Internet Explorer',
            y: 11.84
        }, {
 ...