sticky tooltip on labels with html content

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style>
    html,
    body {
      height: 100%;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    #myChart {
      height: 100%;
      width: 100%;
      min-height: 150px;
    }

    .zc-ref {
      display: none;
    }
  </style>
</head>

<body>
  <div id="myChart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      type: 'bar',
      tooltip: {
        border: 'none',
        "z-index": 1,
        htmlMode: true,
        "sticky": true,
        "timeout": 55000,
        "font-family": "Helvetica Neue, Helvetica, Arial, sans-serif",
        text: "<div style='border: 1px solid black; z-index:999999;'><span>Tooltip text goes here</span></br></br></br><input onclick='llcooljay()' id='check' type='checkbox'>Click me for some action</div>",
        "border-radius": "4px",
      },
      series: [{
        values: [35, 42, 67, 89, 25, 34, 67, 85]
      }]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: '100%',
      width: '100%'
    });

    window.llcooljay = function() {
      if (document.getElementById("check").checked === true) {
        alert("HTML Tooltips! We made it!");
      }
    }
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <div id="myChart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
</body>

</html>

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

#myChart {
  height: 100%;
  width: 100%;
  min-height: 150px;
}

.zc-ref {
  display: none;
}

var myConfig = {
  type: 'bar',
  tooltip: {
    border: 'none',
    "z-index": 1,
    htmlMode: true,
    "sticky": true,
    "timeout": 55000,
    "font-family": "Helvetica Neue, Helvetica, Arial, sans-serif",
    text: "<div style='border: 1px solid black; z-index:999999;'><span>Tooltip text goes here</span></br></br></br><input onclick='llcooljay()' id='check' type='checkbox'>Click me for some action</div>",
    "border-radius": "4px",
  },
  series: [{
    values: [35, 42, 67, 89, 25, 34, 67, 85]
  }]
};

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: '100%',
  width: '100%'
});

window.llcooljay = function() {
  if (document.getElementById("check").checked === true) {
    alert("HTML Tooltips! We made it!");
  }
}