Dual axes, line and column

author(s): Torstein Hønsi

by joshkrz

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<script src="https://code.highcharts.com/modules/export-data.js"></script>
<script src="https://code.highcharts.com/modules/accessibility.js"></script>

<figure class="highcharts-figure">
    <div id="container"></div>
    <p class="highcharts-description">
        Chart showing a combination of a column and a line chart, using multiple
        y-axes. Using multiple axes allows for data within different ranges to
        be visualized together.
    </p>
</figure>

CSS

.highcharts-figure, .highcharts-data-table table {
    min-width: 310px; 
    max-width: 800px;
    margin: 1em auto;
}

#container {
    height: 400px;
}

.highcharts-data-table table {
	font-family: Verdana, sans-serif;
	border-collapse: collapse;
	border: 1px solid #EBEBEB;
	margin: 10px auto;
	text-align: center;
	width: 100%;
	max-width: 500px;
}
.highcharts-data-table caption {
    padding: 1em 0;
    font-size: 1.2em;
    color: #555;
}
.highcharts-data-table th {
	font-weight: 600;
    padding: 0.5em;
}
.highcharts-data-table td, .highcharts-data-table th, .highcharts-data-table caption {
    padding: 0.5em;
}
.highcharts-data-table thead tr, .highcharts-data-table tr:nth-child(even) {
    background: #f8f8f8;
}
.highcharts-data-table tr:hover {
    background: #f1f7ff;
}

JavaScript

Highcharts.chart('container', {
    chart: {
          backgroundColor: 'transparent',
          plotBackgroundColor: null,
          plotBorderWidth: null,
          plotShadow: false,
          // type: 'spline',
          // type: 'areaspline',
          margin: 0,
        },
        title: null,
        legend: {
          enabled: false,
        },
        tooltip: {
          enabled: false,
        },
        xAxis: {
          type: 'datetime',
          gridLineColor: 'transparent',
          visible: false,
          minPadding: 0,
          maxPadding: 0,
        },
        yAxis: [{
          gridLineColor: 'transparent',
          visible: true,
        },
        {
          gridLineColor: 'transparent',
          visible: true,
          opposite: true,
        }],
        credits: {
          enabled: false,
        },
        plotOptions: {
          spline: {
            lineWidth: 2,
          },
          areaspline: {
            stacking: 'normal',
            fillOpacity: 0.2,
            lineWidth: 2,
          },
          series: {
            marker: {
              enabled: false,
            },
          },
        },
      
    series: [{"name":"Avg Response Time","type":"areaspline","yAxis":0,"color":"#7ed78d","fillColor":{"linearGradient":{"x1":0,"x2":0,"y1":0,"y2":1},"stops":[[0,"rgb(126, 215, 141,0.1)"],[1,"rgb(126, 215, 141,0)"]]},"data":[[1631283240000,2000],[1631283180000,1909],[1631283120000,1992]]},{"name":"Errors","type":"column","yAxis":1,"color":"#d96a62","data":[[1631283240000,7],[1631283180000,500],[1631283120000,2]]}]
});