Removing Null Data Points from Multi-Series Bar Chart - CanvasJS JavaScript Charts

Removing Null Data Points from Multi-Series Bar Chart - CanvasJS JavaScript Charts

by canvasjs

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
<br/><!-- Just so that JSFiddle's Result label doesn't overlap the Chart -->
<div id="chartContainer" style="height: 360px; width: 100%;"></div>

JavaScript

var chart = new CanvasJS.Chart("chartContainer", {
  title:{
    text: "Removing Null Data Points from Multi-Series Bar Chart" 
  },
  data: [
    {        
      type: "bar",
      dataPoints: [
        { y: 71 },
        { y: 55 },
        { y: null },
        { y: 10 }
      ]
    },
    {        
      type: "bar",
      dataPoints: [
        { y: 59 },
        { y: 39},
        { y: null },
        { y: 30 }
      ]
    }
  ]
});


for(var i = 0; i < chart.options.data.length; i++) {
  for(var j = 0; j < chart.options.data[i].dataPoints.length; j++) {
    if(chart.options.data[i].dataPoints[j].y === null)
      chart.options.data[i].dataPoints.splice(j, 1);
  }
}

chart.render();