HELP CENTER LEGEND ITEM VISIBILITY

<!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></style>
</head>

<body>
  <div id='myChart'></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      type: "bar",
      title: {
        text: 'Legend Item Visibility'
      },
      legend: {

      },
      stacked: true,
      series: [{
          values: [10],
          legendItem: {
            visible: false // turn off legend item
          }
        },
        {
          values: [15],
          legendItem: {
            visible: false // turn off legend item
          }
        },
        {
          values: [20],
          text: 'There Can Only Be One!',
          legendItem: {
            visible: true // do not set visible true
          }
        }
      ]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: 400,
      width: '100%'
    });
  </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'></div>
</body>

</html>

var myConfig = {
  type: "bar",
  title: {
    text: 'Legend Item Visibility'
  },
  legend: {

  },
  stacked: true,
  series: [{
      values: [10],
      legendItem: {
        visible: false // turn off legend item
      }
    },
    {
      values: [15],
      legendItem: {
        visible: false // turn off legend item
      }
    },
    {
      values: [20],
      text: 'There Can Only Be One!',
      legendItem: {
        visible: true // do not set visible true
      }
    }
  ]
};

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: 400,
  width: '100%'
});