Highcharts Demo

author(s): Torstein Hønsi

by Mi Ku

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>

<div id="container"></div>

CSS

#container {
    min-width: 300px;
    max-width: 800px;
    margin: 0 auto;
}

JavaScript

Highcharts.chart('container', {
		chart: {
        type: 'column'
    },
    title: {
        text: 'Highcharts with a split tooltip formatter'
    },
    xAxis: {
        categories: [
            'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
            'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
        ],
        crosshair: true
    },
    tooltip: {
        formatter: function () {
            // The first returned item is the header, subsequent items are the
            // points
            return 
                this.points ?
                    this.points.map(function (point) {
                        console.log('point');
                        return point.series.name + ': ' + point.y + 'm';
                    }) : [];
        },
        shared: true,
        split: true
    },

    series: [{
        data: [0, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
    }, {
        data: [216.4, 0, 95.6, 54.4, 29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5]
    }]
});