Highcharts Demo

author(s): Torstein Hønsi

by Murali Kaliappan

HTML

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

<div id="container" style="height: 400px; width: 900px"></div>

JavaScript

Highcharts.chart('container', {    
    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },
    plotOptions:{
    	series: {
      	point : {
        	events : {
          	contextmenu : function (point) {            	
            		var isDataLabelEnabled = !this.dataLabels ? true : false
                console.log(isDataLabelEnabled)
                this.update({
                	dataLabels :{
                  	enabled : isDataLabelEnabled,
                    formatter :function() {
                    	return this.y+" hello"
                    }
                  }
                })	    	 		 		   	                               
            	}
					}
        }	
      }
    },
    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]
    }]
});