disable Print Chart button when there is no Chart present - Javascript highcharts

Javascript examples for highcharts:Print

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Description

disable Print Chart button when there is no Chart present

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 () {// ww  w . j  a v  a 2 s  . c o  m
    $('#container').highcharts({
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        plotOptions: {
            series: {
                events: {
                    legendItemClick: function () {
                        var series = this.chart.series,
                            index = this.index,
                            allHidden = this.visible ? false : true;
                        $.each(series, function(i, serie){
                            if(serie.visible && i !== index)
                                allHidden = true;
                        });
                        if(!allHidden) {
                            this.chart.exportSVGElements[0].hide();
                        } else {
                            this.chart.exportSVGElements[0].show();
                        }
                    }
                }
            }
        },
        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: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
        }]
    });
});

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

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