override addEvent function - Javascript highcharts

Javascript examples for highcharts:Chart Event

Description

override addEvent function

Demo Code

ResultView the demo in separate window

<html>
   <head> 
      <title>Highcharts Demo</title> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> 
      <script type="text/javascript">
$(function () {//from w  ww  . j  a v  a  2s.  com
    (function (H) {
        H.wrap(H.Point.prototype, 'importEvents', function () {
            if (!this.hasImportedEvents) {
                var point = this,
                    options = H.merge(point.series.options.point, point.options),
                    events = options.events,
                    eventType;
                point.events = events;
                for (eventType in events) {
                    if (typeof events[eventType] == "string") {
                        try {
                            events[eventType] = eval(events[eventType]);
                        } catch (e) {
                            if (e instanceof SyntaxError) {
                                console.log(e.message);
                            }
                        }
                    }
                    H.addEvent(point, eventType, events[eventType]);
                    this.hasImportedEvents = true;
                }
            }
        });
    }(Highcharts));
    $('#container').highcharts({
        chart: {
            type: 'column'
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        plotOptions: {
            series: {
                cursor: 'pointer',
                point: {
                    events: {
                        click: "(function(){ console.log(this.y);})"
                    }
                }
            }
        },
        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]
        }]
    });
});

      </script> 
   </head> 
   <body> 
      <script src="https://code.highcharts.com/highcharts.js"></script> 
      <div id="container" style="height: 400px"></div>  
   </body>
</html>

Related Tutorials