Customize Highstock tooltip conditionally - Javascript highcharts

Javascript examples for highcharts:Chart Tooltip

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Description

Customize Highstock tooltip conditionally

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript" src="https://code.jquery.com/jquery-1.9.1.js"></script> 
      <script type="text/javascript">
    $(window).load(function(){//  w ww  .java 2s. c o  m
$(function () {
    Highcharts.chart('container', {
        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'
            }]
        },
        legend: {
            layout: 'vertical',
            align: 'right',
            verticalAlign: 'middle',
            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]
        }, {
          type:  'flags',
          showInLegend: false,
          fillColor: '#42a4f4',
          color: '#42a4f4',
          data: [
            {
              x: 5,
              title:'SUMMER'
            }
          ],
          style: {
            'color':'#ffffff'
          }
        }],
      tooltip: {
            useHTML:true,
            borderWidth: 0,
            headerFormat: '',
            shared: true,
            formatter: function(){
              if (!!this.points) {
                return this.points
               .reduce(
               function(prev, cur) {
                 return prev +
                   '<br>' + cur.series.name + ': '+ cur.y;
               }, '');
              }
              return "<div style='border:5px solid black; padding: 20px'>Summer arrives!</div>";
            },
            padding: 0
          }
    });
});
    });

      </script> 
   </head> 
   <body> 
      <script src="https://code.highcharts.com/stock/highstock.src.js"></script> 
      <div id="container"> 
      </div>  
   </body>
</html>

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