set additional data series as tooltip - Javascript highcharts

Javascript examples for highcharts:Chart Tooltip

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Description

set additional data series as tooltip

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 w  w .  ja va  2  s .c  o m
    $('#container').highcharts({
        tooltip: {
            pointFormatter: function () {
                return 'x: ' + this.x + ', y: ' + this.y + this.extraForTooltip;
            }
        },
        series: [{
            data: [
                [0, 1, ' Add custom additional value or text here.']
            ],
            keys: ['x', 'y', 'extraForTooltip']
        },{
              data: [
                {x:0, y:2, extraForTooltip:' Keys are not required if using objects for data points.'}
            ]
        }]
    });
});

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

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