JavaScript
Highcharts.addEvent(Highcharts.Series, 'afterInit', function () {
this.symbolUnicode = {
circle: '●',
diamond: '♦',
square: '■',
triangle: '▲',
'triangle-down': '▼'
}[this.symbol] || '●';
});
Highcharts.chart('container', {
xAxis: {
categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
},
tooltip: {
pointFormat: '<span style="color:{series.color}">{series.symbolUnicode} {series.name}</span>: <b>{point.y}</b><br/>',
valueSuffix: ' cm',
shared: true
},
series: [{
name: 'dogs',
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]
}, {
name: 'cats',
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].reverse()
}, {
name: 'parrots',
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].reverse()
}]
});