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AJAX Chart using Node/Express Server

Powered by ZingChart 
<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>
  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style>
    .chart--container {
      width: 100%;
      height: 100%;
      min-height: 530px;
    }

    .zc-ref {
      display: none;
    }
  </style>
</head>

<body>
  <button onclick="window.parent.location.reload()">Reload Data</button>
  <div id="myChart" class="chart--container">
    <a class="zc-ref" href="https://www.zingchart.com/">Powered by ZingChart</a>
  </div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"]; // make the AJAX request
    let oReq = new XMLHttpRequest();
    oReq.addEventListener('load', reqListener);
    oReq.open('GET', 'https://cdn.zingchart.com/datasets/remote-config.json');
    oReq.send();

    let chartConfig = {
      type: 'bar',
      globals: {
        fontColor: '#3F3F3F',
      },
      title: {
        text: 'Chart Hitting Node/express Server',
      },
      plot: {
        tooltip: {
          borderRadius: '3px',
          fontColor: '#ffffff',
          size: '12px',
        },
      },
      scaleX: {
        lineWidth: '2px',
      },
      scaleY: {
        lineWidth: '2px',
        step: 25,
      },
      series: [{
        values: [],
        backgroundColor: '#3E50B4',
      }, ],
    };

    /*
     * callback for GET request is when we will render the chart
     */
    function reqListener() {
      // responseText is an array of Number types
      if (this.responseText) {
        chartConfig.series[0].values = JSON.parse(this.responseText).series[0].values;
      }

      zingchart.render({
        id: 'myChart',
        data: chartConfig,
        height: '100%',
        width: '100%',
      });
    }
  </script>
</body>

</html>
<!DOCTYPE html>
<html>
	<head>
    <meta charset="utf-8">
    <title>ZingSoft Demo</title>
		<script src="https://cdn.zingchart.com/zingchart.min.js"></script>
	</head>
	<body>
    <button onclick="window.parent.location.reload()">Reload Data</button>
		<div id="myChart" class="chart--container">
			<a class="zc-ref" href="https://www.zingchart.com/">Powered by ZingChart</a>
		</div>
	</body>
</html>
// make the AJAX request
let oReq = new XMLHttpRequest();
oReq.addEventListener('load', reqListener);
oReq.open('GET', 'https://cdn.zingchart.com/datasets/remote-config.json');
oReq.send();

let chartConfig = {
  type: 'bar',
  globals: {
    fontColor: '#3F3F3F',
  },
  title: {
    text: 'Chart Hitting Node/express Server',
  },
  plot: {
    tooltip: {
      borderRadius: '3px',
      fontColor: '#ffffff',
      size: '12px',
    },
  },
  scaleX: {
    lineWidth: '2px',
  },
  scaleY: {
    lineWidth: '2px',
    step: 25,
  },
  series: [
    {
      values: [],
      backgroundColor: '#3E50B4',
    },
  ],
};

/*
 * callback for GET request is when we will render the chart
 */
function reqListener() {
  // responseText is an array of Number types
  if (this.responseText) {
    chartConfig.series[0].values = JSON.parse(this.responseText).series[0].values;
  }

  zingchart.render({
    id: 'myChart',
    data: chartConfig,
    height: '100%',
    width: '100%',
  });
}
.chart--container {
  width: 100%;
  height: 100%;
  min-height: 530px;
}

.zc-ref {
  display: none;
}
Asynchronous Chart using Node/Express Server 122/275 Clickable Valuebox

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