Blinking Column Chart using Color | CanvasJS JavaScript Chart

Blinking Column Chart using Color | CanvasJS JavaScript Chart

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", {
  title:{
    text: "Blinking Column Chart"
  },
  data: [{				
    dataPoints: [
      { label: "apple",  y: 10 },
      { label: "orange", y: 15 },
      { label: "banana", y: 25, color: "#FFAA02", blinkColors: ["#FFAA02", "#6AFF05"] },
      { label: "mango",  y: 30 },
      { label: "grape",  y: 28 }
    ]
  }]
});

blinkColumns(chart);
chart.render();

function blinkColumns(chart) {
  var k = 0;
  var interval = setInterval(function() {

    for(var i = 0; i < chart.options.data.length; i++) {
      for(var j = 0; j < chart.options.data[i].dataPoints.length; j++) {
        dataPoint = chart.options.data[i].dataPoints[j];
        if(dataPoint.blinkColors) {
          dataPoint.color = dataPoint.blinkColors[k++ % dataPoint.blinkColors.length];
        }
      }
    }   
    chart.render();
  }, 500);
}