ElementStacks

HTML

<script src="http://highcharts.com/js/testing.js"></script>
<div id="container" style="height: 300px"></div>
<script src="http://code.highcharts.com/master/highcharts.src.js"></script>
<script src="https://raw.github.com/danro/jquery-easing/master/jquery.easing.min.js"></script>

JavaScript

var chart = new Highcharts.Chart({

    chart: {
        renderTo: 'container'
        // events: {load: function(){console.log(this)} } debugging feature
    },
    plotOptions: {
        series: {
            events: {
                legendItemClick: function (event) {
                    var thisSeriesName = this.name;
                    var thisSeriesVisibility = this.visible ? true : false;
                    $(chart.series).each(function (i, e) {
                        if (thisSeriesName === e.name) {
                            thisSeriesVisibility ? e.hide() : e.show();
                        }
                    });
                    event.preventDefault();
                }
            }
        }
    },

    series: [{
        type: 'spline',
        showInLegend: false,
        color: 'red',
        name: 'first',
        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: [null],
        name: 'first',
        type: 'scatter',
        color: 'yellow',
        marker: {
            symbol: 'triangle'
        }
    }]
});