use this to reference current chart in tooltip - Javascript highcharts

Javascript examples for highcharts:Chart Tooltip

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Description

use this to reference current chart in tooltip

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <title>highcharts foobar</title> 
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> 
      <script src="https://code.highcharts.com/highcharts.js"></script> 
      <script src="https://code.highcharts.com/modules/exporting.js"></script> 
   </head> 
   <body> 
      <div id="container" style="min-width: 400px; height: 400px; margin: 0 auto"></div> 
      <script>
var chart;//from w  w  w. ja  v a2  s . c  om
$(document).ready(function() {
    chart = new Highcharts.Chart({
        chart: {
            renderTo: 'container',
            type: 'line',
            marginRight: 130,
            marginBottom: 25
        },
        title: {
            text: 'Monthly Average Temperature',
            x: -20 //center
        },
        subtitle: {
            text: 'Source: WorldClimate.com',
            x: -20
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        yAxis: {
            title: {
                text: 'Temperature (?C)'
            },
            plotLines: [{
                value: 0,
                width: 1,
                color: '#808080'
            }]
        },
        tooltip: {
            formatter: function() {
                return '<b>'+ this.series.name +'</b><br/>'+
                this.x +': '+ this.y +'?C';
            }
        },
        legend: {
            layout: 'vertical',
            align: 'right',
            verticalAlign: 'top',
            x: -10,
            y: 100,
            borderWidth: 0
        },
        series: [{
            name: 'Tokyo',
            data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
        }, {
            name: 'New York',
            data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
        }, {
            name: 'Berlin',
            data: [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0]
        }, {
            name: 'London',
            data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
        }]
    });
});

      </script>  
   </body>
</html>

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