Line Chart with Clickable Hidden Markers | CanvasJS

Line Chart with Clickable Bigger Hidden Markers by Setting Marker Border Thickness

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: "Bigger Marker Area for Clicking Datapoint"
  },
  data: [{
    markerBorderColor : "transparent",
    markerBorderThickness: 10,
    click: function(e) {
      alert("Clicked: " + e.dataPoint.x)
    },
    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();