Highcharts.chart('container', {
chart: {
type: 'scatter',
margin: [70, 50, 60, 80],
events: {
click: function (e) {
var x = Math.round(e.xAxis[0].value),
y = Math.round(e.yAxis[0].value),
series = this.series[0];
series.addPoint([x, y]);
}
}
},
title: {
text: 'User supplied data',
align: 'left'
},
subtitle: {
text: 'Click the plot area to add a point. Click a point to remove it.',
align: 'left'
},
accessibility: {
announceNewData: {
enabled: true
}
},
xAxis: {
gridLineWidth: 1,
minPadding: 0.2,
maxPadding: 0.2,
maxZoom: 60
},
yAxis: {
title: {
text: 'Value'
},
minPadding: 0.2,
maxPadding: 0.2,
maxZoom: 60,
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
legend: {
enabled: false
},
exporting: {
enabled: false
},
plotOptions: {
series: {
lineWidth: 1,
point: {
events: {
click: function () {
if (this.series.data.length > 1) {
this.remove();
}
}
}
}
}
},
series: [{
data: [[20, 20], [80, 80]]
}]
});