JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
<div id="chartContainer" style="height: 300px; width: 100%;"></div>

JavaScript

window.onload = function () {
  var showToolTip = false;
  var chart = new CanvasJS.Chart("chartContainer", {
    title:{
      text: "Hide Tooltip on Moving out of Line dataPoints"
    },
    toolTip: {
      updated: function(e) {
        if(!showToolTip)
          e.chart.toolTip.hide();
      }
    },
    data: [
      {
        type: "line",
        mouseout: onMouseout,
        mouseover: onMouseover,
        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();

  function onMouseout(e){
    showToolTip = false;
  }

  function onMouseover(e) {
    showToolTip = true;
  }
}