Show X & Y Values in Legend dynamically - CanvasJS JavaScript Charts

Show X & Y Values in Legend dynamically - 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", {  
	toolTip: {
  	enabled: false
  },
  data: [{
    type: "column",
    showInLegend: true,
    legendText: "x: y",
    legendMarkerType: "circle",
    dataPoints: [
    	{ x: 10, y: 71, mouseover: onMouseover },
			{ x: 20, y: 55, mouseover: onMouseover },
			{ x: 30, y: 50, mouseover: onMouseover },
			{ x: 40, y: 65, mouseover: onMouseover },
			{ x: 50, y: 95, mouseover: onMouseover },
			{ x: 60, y: 68, mouseover: onMouseover },
			{ x: 70, y: 28, mouseover: onMouseover },
			{ x: 80, y: 34, mouseover: onMouseover },
			{ x: 90, y: 14, mouseover: onMouseover }
      ]
  }]
});

chart.render();

function onMouseover(e){	
	e.dataSeries.legendText = (e.dataSeries.dataPoints[e.dataPointIndex].x + ": " + e.dataSeries.dataPoints[e.dataPointIndex].y).toString();
 	e.chart.render();
	}