Change Chart type from dropdown - CanvasJS JavaScript Charts

Change Chart type from dropdown - 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>

<div>Chart Type:
  <select id="chartType" name="Chart Type">
    <option value="line">Line</option>
    <option value="column">Column</option>
    <option value="bar">Bar</option>
    <option value="pie">Pie</option>
    <option value="doughnut">Doughnut</option>
  </select>  
</div>

JavaScript

var chart = new CanvasJS.Chart("chartContainer",
	{
        
      data: [
      {
        type: "line",
        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();

var chartType = document.getElementById('chartType');
chartType.addEventListener( "change",  function(){
  chart.options.data[0].type = chartType.options[chartType.selectedIndex].value;
  chart.render();
});