Highcharts Demo

author(s): Torstein Hønsi

by J. Albert Bowden

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<div id="container" style="height: 400px"></div>
<button id="updateLegend">Remove Legend</button>
<div id="legendMessage"></div>

JavaScript

$(function () {
    var chart = $('#container').highcharts({
        chart: {},
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },

        yAxis: {
            title: {
                margin: 60
            }
        },

        legend: {
            enabled: true,
            align: 'right',
            verticalAlign: 'middle'
        },

        credits: {
            enabled: false
        },

        series: [{
            data: [29900, 71500, 106400, 129200, 144000, 176000, 135600, 148500, 216400, 194100, 95600, 54400]
        }]
    }).highcharts();

    $('#updateLegend').on('click', function (e) {
        var enable = !chart.options.legend.enabled;
        chart.options.legend.enabled = enable;

        $(this).text(enable ? 'Remove Legend' : 'Add Legend');

        if (!enable) {
            chart.legend.destroy();
        } else {
            var allItems = chart.legend.allItems;

            for (var i = 0; i < allItems.length; i++) {
                var item = allItems[i];
                item.legendItem.add();
                item.legendLine.add();
                item.legendSymbol.add();
            }
            chart.legend.render();
        }

        $('#legendMessage').html('Value of <code>chart.options.legend.enabled</code>: ' + chart.options.legend.enabled);
    });


});