Angular Gauge - Real time update event

Created using FusionCharts Suite XT - www.fusioncharts.com

HTML

<script src="https://static.fusioncharts.com/code/latest/fusioncharts.js"></script>
<script src="https://static.fusioncharts.com/code/latest/fusioncharts.widgets.js"></script>
<script src="https://static.fusioncharts.com/code/latest/themes/fusioncharts.theme.fint.js"></script>
<!-- AngularGauge - Events associated with Real-time update

events:
    # realtimeUpdateComplete - This event is raised every time a real-time chart or gauge updates itself with new data.

-->
<div id="chart-container">FusionCharts will render here</div>
<div id="score-detail">Current server CPU Utilization is: <b>78</b>
  <div>

CSS

#score-detail {
  font-family: 'Helvetica Neue', Arial;
  font-size: 14px;
  padding: 10px 0 10px 20px;
}

JavaScript

FusionCharts.ready(function() {
  var cSatScoreChart = new FusionCharts({
    type: 'angulargauge',
    renderAt: 'chart-container',
    width: '400',
    height: '300',
    dataFormat: 'json',
    dataSource: {
      "chart": {
        "caption": "Server CPU Utilization",
        "subcaption": "forum.hsm.com",
        "lowerLimit": "0",
        "upperLimit": "100",
        "editMode": "1",
        "showValue": "1",
        "valueBelowPivot": "1",
        "tickValueDistance": "25",
        "gaugeFillMix": "{dark-30},{light-60},{dark-10}",
        "gaugeFillRatio": "15",
        "theme": "fint",
        "valueFontSize": "14",
        "transposeAnimation":"1"
      },
      "colorRange": {
        "color": [{
          "minValue": "0",
          "maxValue": "50",
          "code": "#6baa01"
        }, {
          "minValue": "50",
          "maxValue": "75",
          "code": "#f8bd19"
        }, {
          "minValue": "75",
          "maxValue": "100",
          "code": "#e44a00"
        }]
      },
      "dials": {
        "dial": [{
          "id": "crntYr",
          "value": "78",
          "showValue": "1",
          "tooltext": "Current year's average : $value",
          "rearExtension": "5"
        }]
      }
    },
    events: {
      "rendered": function(evtObj, argObj) {
        var intervalVar = setInterval(function() {
          var chartIns = evtObj.sender,
            prcnt = 65 + parseInt(Math.floor(Math.random() * 10), 10);

          chartIns.feedData("value=" + prcnt);

        }, 3000);
      },
      "realtimeUpdateComplete": function(evtObj, argObj) {
        var updtObj = argObj && argObj.updateObject,
          values = updtObj && updtObj.values,
          updtValStr = values && values[0],
          updtVal = updtValStr &&
          parseFloat(updtValStr).toFixed(0),
          divToUpdate = document.getElementById("score-detail");

        divToUpdate.innerHTML = "Current server CPU Utilization is : <b>" + updtVal + "</b>";


      }
   ...