PlotLines on Date-Axis - Javascript highcharts

Javascript examples for highcharts:Line Chart

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Description

PlotLines on Date-Axis

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 www .j ava2s  . c om
    $('#container').highcharts({
        chart: {
        },
        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]
        }]
    });
    // the button action
    var hasPlotLine = false,
        $button = $('#button'),
        chart = $('#container').highcharts();
    $button.click(function() {
        if (!hasPlotLine) {
            chart.xAxis[0].addPlotLine({
                value: 5.5,
                color: 'red',
                width: 2,
                id: 'plot-line-1'
            });
            $button.html('Remove plot line');
        } else {
            chart.xAxis[0].removePlotLine('plot-line-1');
            $button.html('Add plot line');
        }
        hasPlotLine = !hasPlotLine;
    });
});

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

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