Highcharts Demo

author(s): Torstein Hønsi

HTML

<script src="https://rawgit.com/highslide-software/highcharts.com/v4.0.4/js/highcharts.src.js"></script>

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

JavaScript

function isArray(obj) {
    return Object.prototype.toString.call(obj) === '[object Array]';
}

function splat(obj) {
    return isArray(obj) ? obj : [obj];
}

$(function () {
    $('#container').highcharts({

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

        tooltip: {
            formatter: function (tooltip) {
                var items = this.points || splat(this),
                    series = items[0].series,
                    s;

                // sort the values
                items.sort(function(a, b){
                    return ((a.y < b.y) ? -1 : ((a.y > b.y) ? 1 : 0));
                });
                items.reverse();

                return tooltip.defaultFormatter.call(this, tooltip);
            },
            shared: true
        },

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