Getting visible values

<!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>
    #visible {
      white-space: pre-wrap;
      word-wrap: break-word;
    }
  </style>
</head>

<body>
  <div id='myChart'></div>
  <pre id='visible'></pre>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var values = [];
    for (var i = 0; i < 1000; i++) {
      values.push(Math.random());
    }

    var myConfig = {
      type: "bar",
      scaleX: {
        zooming: true
      },
      series: [{
        values: values
      }]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: 400,
      width: 600
    });

    zingchart.zoom = function(p) {
      var start = p.xmin;
      var end = p.xmax;
      var series = zingchart.exec('myChart', 'getseriesvalues')[0];
      series = series.slice(start, end + 1);
      var visibleValues = JSON.stringify(series);
      document.getElementById('visible').innerHTML = visibleValues;
    }
  </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>
  <pre id='visible'></pre>
</body>

</html>

#visible {
  white-space: pre-wrap;
  word-wrap: break-word;
}

var values = [];
for (var i = 0; i < 1000; i++) {
  values.push(Math.random());
}

var myConfig = {
  type: "bar",
  scaleX: {
    zooming: true
  },
  series: [{
    values: values
  }]
};

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: 400,
  width: 600
});

zingchart.zoom = function(p) {
  var start = p.xmin;
  var end = p.xmax;
  var series = zingchart.exec('myChart', 'getseriesvalues')[0];
  series = series.slice(start, end + 1);
  var visibleValues = JSON.stringify(series);
  document.getElementById('visible').innerHTML = visibleValues;
}