HighCharts Tooltip

by nehamahajan

HTML

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

<div id="container" style="height: 400px"></div>

CSS

.highcharts-tooltip-container .highcharts-tooltip > span {
    max-width: 200px;
    white-space: normal;
}

.highcharts-tooltip-container .highcharts-tooltip .textContainer {
  word-break: break-all;
}

JavaScript

Highcharts.chart('container', {
    chart: {
        type: 'scatter'
    },
    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },

    plotOptions: {
        series: {
            fillOpacity: 0.1
        }
    },
    tooltip: {
      useHTML: true,
      outside: true,
      shape: "square",
      formatter: function () {
        let tooltip = '<div>';
        tooltip += '<div class="textContainer"><span>Lorem Ipsum:</span><span> 121212 kg</span></div>';
        tooltip += '<div class="textContainer"><span>simply dummy text of the printing:</span><span> 121212 kg</span></div>';
        tooltip += '<div class="textContainer"><span>five centuries:</span><span>121212 kg</span></div>';
        tooltip += '<div class="textContainer"><span>galley of type and scrambled:</span><span>121212 kg</span></div>';
        tooltip += '<div class="textContainer"><span>electronic typesetting:</span><span>121212 kg</span></div>';
        tooltip += '</div>'
        return tooltip; 
      }
    },
    series: [{
        data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
    }]
});