Highcharts Demo

author(s): Torstein Hønsi

HTML

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

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

JavaScript

$(function () {
    // create the chart
    $('#container').highcharts({
        chart: {
            events: {
                click: function(event) {
                    alert ('x: '+ event.xAxis[0].value  +', y: '+
                          event.chartY );
                     var chart = event.xAxis[0];
                                chart.removePlotLine('plot-line-1');
                                chart.addPlotLine({
                                    value: event.chartX,
                                    color: '#FF0000',
                                    width: 2,
                                    id: 'plot-line-1'
                                });
                }
            }        
        },
        xAxis: {
            plotLines: [{
                color: '#FF0000',
                width: 2,
                value: 5.5,
                id: 'plot-line-1'
            }]
        },
        
        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]        
        }]
    });
});