Show chart series line marker symbol from tooltip formatter? - Javascript highcharts

Javascript examples for highcharts:Line Chart

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Description

Show chart series line marker symbol from tooltip formatter?

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.j  a v  a 2 s. c  om*/
    $('#container').highcharts({
        tooltip: {
            formatter: function () {
                var symbol;
                switch ( this.point.graphic.symbolName ) {
                    case 'circle':
                        symbol = '??';
                        break;
                    case 'diamond':
                        symbol = '?';
                        break;
                    case 'square':
                        symbol = '?';
                        break;
                    case 'triangle':
                        symbol = '?';
                        break;
                    case 'triangle-down':
                        symbol = '?';
                        break;
                }
                return this.x + '<br/>' + '<span style="color:' + this.series.color + '">' + symbol + '</span>' + ' ' + this.series.name + ': ' + this.y;
            }
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        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]
        }, {
            data: [194.1, 95.6, 54.4, 29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4]
        }]
    });
});

      </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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