tl.html

<!doctype html>
<html>
  <head>
      <title>Vis.js Timeline Example</title>
          <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.21.0/vis.min.js"></script>
              <link href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.21.0/vis.min.css" rel="stylesheet" type="text/css" />
                </head>
                  <body>
                      <div id="timeline"></div>
                          <script type="text/javascript">
                                // Create a DataSet (allows two way data-binding)
                                      var items = new vis.DataSet([
                                              {id: 1, content: 'item 1', start: '2023-04-20'},
                                                      {id: 2, content: 'item 2', start: '2023-04-14'},
                                                              {id: 3, content: 'item 3', start: '2023-04-18'},
                                                                      {id: 4, content: 'item 4', start: '2023-04-16'},
                                                                              {id: 5, content: 'item 5', start: '2023-04-25'},
                                                                                      {id: 6, content: 'item 6', start: '2023-04-27'}
                                                                                            ]);

                                                                                                  // Create a timeline
                                                                                                        var container = document.getElementById('timeline');
                                                                                                              var options = {};
                                                                                                                    var timeline = new vis.Timeline(container, items, options);
                                                                                                                        </script>
                                                                                                                          </body>
                                                                                                                          </html><!doctype html>
                                                                                                                          <html>
                                                                                                                            <head>
                                                                                                                                <title>Vis.js Timeline Example</title>
                                                                                                                                    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.21.0/vis.min.js"></script>
                                                                                                                                        <link href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.21.0/vis.min.css" rel="stylesheet" type="text/css" />
                                                                                                                                          </head>
                                                                                                                                            <body>
                                                                                                                                                <div id="timeline"></div>
                                                                                                                                                    <script type="text/javascript">
                                                                                                                                                          // Create a DataSet (allows two way data-binding)
                                                                                                                                                                var items = new vis.DataSet([
                                                                                                                                                                        {id: 1, content: 'item 1', start: '2023-04-20'},
                                                                                                                                                                                {id: 2, content: 'item 2', start: '2023-04-14'},
                                                                                                                                                                                        {id: 3, content: 'item 3', start: '2023-04-18'},
                                                                                                                                                                                                {id: 4, content: 'item 4', start: '2023-04-16'},
                                                                                                                                                                                                        {id: 5, content: 'item 5', start: '2023-04-25'},
                                                                                                                                                                                                                {id: 6, content: 'item 6', start: '2023-04-27'}
                                                                                                                                                                                                                      ]);

                                                                                                                                                                                                                            // Create a timeline
                                                                                                                                                                                                                                  var container = document.getElementById('timeline');
                                                                                                                                                                                                                                        var options = {};
                                                                                                                                                                                                                                              var timeline = new vis.Timeline(container, items, options);
                                                                                                                                                                                                                                                  </script>
                                                                                                                                                                                                                                                    </body>
                                                                                                                                                                                                                                                    </html>