Scale Up Chart Size Before Exporting Chart and Reset it - CanvasJS JavaScript Charts

Scale Up Chart Size Before Exporting Chart and Reset it - 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>
<button id="printChart">Export Chart</button>

JavaScript

var chart = new CanvasJS.Chart("chartContainer", {
  theme: "theme2",
  title: {
    text: "Scaleup Chart Size before Exporting"
  },
  data: [{
    type: "column",
    dataPoints: [
    	{ label: "apple",  y: 10  },
      { label: "orange", y: 15  },
      { label: "banana", y: 25  },
      { label: "mango",  y: 30  },
      { label: "grape",  y: 28  }
    ]
  }]
});

chart.render();
document.getElementById("printChart").addEventListener("click", function() {
  var width = chart.get("width");
  var height = chart.get("height");
  chart.set("width", width * 2);
  chart.set("height", height * 2);
  chart.exportChart({ format: "jpg" });
  chart.set("height", height);
  chart.set("width", null);
});