Highcharts - Legend labels with truncation

author(s): Alon Schachter

by sectioni

HTML

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

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

JavaScript

Highcharts.chart('container', {
    legend: {
        layout: 'vertical',
        useHTML: true,        
        floating: false,
        align: 'right',
        verticalAlign: 'top',
        width:'20%',
        labelFormatter: function () {
            return '<div title="' + this.name + '" style="max-width:100%; overflow:hidden; word-wrap:none; text-overflow:ellipsis">' + this.name + '</div>';
        }
    },

    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },

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