Show indexLabel on dataPoint click- CanvasJS JavaScript Charts

Show indexLabel on dataPoint click- 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: "Show Index-Label on Datapoint Click"
  },
  subtitles: [
  	{
    	text: "Click on dataPoint to show corresponding indexLabel"
    }
  ],
  data: [
    {
      type: "column",
      click: onClick,
      dataPoints: [
        { x: 10, y: 71 },
        { x: 20, y: 55 },
        { x: 30, y: 50 },
        { x: 40, y: 65 },
        { x: 50, y: 95 },
        { x: 60, y: 68 },
        { x: 70, y: 28 },
        { x: 80, y: 34 },
        { x: 90, y: 14 }
      ]
    }
  ]
});
chart.render();

function onClick(e){      
  e.dataPoint.indexLabel = "Y: " + e.dataPoint.y;
  e.chart.render();	   
}