show legend like Map's length in Line chart - Javascript highcharts

Javascript examples for highcharts:Line Chart

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Description

show legend like Map's length in Line chart

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">
$(function () {/*  w w w  .  ja  va2 s  .  c om*/
    (function (H) {
        // add colorAxis
        H.seriesTypes.line.prototype.axisTypes = ['xAxis', 'yAxis', 'colorAxis'];
        H.seriesTypes.line.prototype.optionalAxis = 'colorAxis';
        // draw points and add setting colors
        H.wrap(H.seriesTypes.line.prototype, "translate", function (p) {
            p.call(this);
            H.seriesTypes.heatmap.prototype.translateColors.call(this);
        });
        // copy method from heatmap for color mixin
        H.seriesTypes.line.prototype.translateColors = H.seriesTypes.heatmap.prototype.translateColors;
        // use "value" to calculate color
        H.seriesTypes.line.prototype.colorKey = 'y';
    })(Highcharts);
    $('#container').highcharts({
        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: {
            valueSuffix: '?C'
        },
        legend: {
            layout: 'vertical',
            align: 'right',
            verticalAlign: 'middle',
            borderWidth: 0
        },
        colorAxis: {
            min: 0,
            max: 150,
            id: "main"
        },
        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',
            colorAxis: null,
            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',
            colorAxis: null,
            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',
            colorAxis: null,
            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> 
   </head> 
   <body> 
      <script src="https://code.highcharts.com/highcharts.js"></script> 
      <script src="https://code.highcharts.com/maps/modules/map.js"></script> 
      <script src="https://code.highcharts.com/modules/exporting.js"></script> 
      <div id="container" style="min-width: 310px; height: 400px; margin: 0 auto"></div>  
   </body>
</html>

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