Highcharts Demo

author(s): Torstein Hønsi

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>

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

JavaScript

$(function () {
    var $report = $('#report');
    
    // create the chart
    var chart = new Highcharts.Chart({
        chart: {
            renderTo: 'container',
            events: {
                selection: function(event) {
                    if (event.xAxis) {
                        var dataX = {value: 0, count: 0};
                        var series = event.currentTarget.series[0];
                        var points = series.points;
                        var min = event.xAxis[0].min, max = event.xAxis[0].max;
                        
                        for (var i = 0; i < points.length; i++) {
                            if (points[i].x >= min && points[i].x <= max) {
                                dataX.value += points[i].x;
                                dataX.count +=1;
                            }
                        }
                        
                        $report.html('min: '+ event.xAxis[0].min +', max: '+ event.xAxis[0].max + '<br/>' + 'avgX: ' + dataX.value / dataX.count);
                    } else {
                        $report.html ('Selection reset');
                    }
                }
            },
            zoomType: 'x'
        },
        xAxis: {
        },
        
        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]        
        }]
    });
});