Using markerSize property to disable hiding of markers - CanvasJS JavaScript Charts

Using markerSize property to disable hiding of markers - 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>

JavaScript

var dataPoints = [{y : 10}, {y : 13}, {y : 18}, {y : 20}, {y : 17}];
var chart = new CanvasJS.Chart("chartContainer", {
  title : {
    text : "Dynamic Data"
  },
  subtitles:	[{
    text: "Markers won't disappear when markerSize property is set"
  }],
  data : [{
    type : "spline",
    // Markers won't disappear when markerSize property is set
    markerSize: 10,
    dataPoints : dataPoints
  }
         ]
});

chart.render();

var yVal = 15, updateCount = 0;
var updateChart = function () {

  yVal = yVal + Math.round(5 + Math.random() * (-5 - 5));
  updateCount++;

  dataPoints.push({
    y : yVal
  });

  chart.options.title.text = "Update " + updateCount;
  chart.render();    
};
setInterval(function(){updateChart()}, 50);