D3 Examples - timevis test

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<!DOCTYPE HTML>
<html>
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.min.js">
  </script>
  <link href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.min.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="visualization"></div>
<script type="text/javascript" src="items.js"></script>
<script type="text/javascript" src="groups.js"></script>
<script type="text/javascript">
    var container = document.getElementById('visualization');
    var timeline = new vis.Timeline(container, items, groups,{});
</script>
</body>
</html>
    