DataTable Excel Export

HTML

<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.3/jszip.min.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.13/css/jquery.dataTables.min.css">
<script src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.html5.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/dataTables.buttons.min.js"></script>
<link rel="stylesheet" href="https://cdn.datatables.net/buttons/1.2.4/css/buttons.dataTables.min.css">
<script src="https://cdn.rawgit.com/bpampuch/pdfmake/0.1.24/build/pdfmake.min.js"></script>
<script src="https://cdn.rawgit.com/bpampuch/pdfmake/0.1.24/build/vfs_fonts.js"></script>
<table id="example" class="display" cellspacing="0" width="100%">
  <thead>
    <tr>
      <th>Long numbers</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>12345678901234567890</td>
    </tr>
    <tr>
      <td>12345678901234567890</td>
    </tr>
    <tr>
      <td>12345678901234567890</td>
    </tr>
    <tr>
      <td>12345678901234567890</td>
    </tr>
    <tr>
      <td>12345678901234567890</td>
    </tr>
    <tr>
      <td>12345678901234567890</td>
    </tr>
  </tbody>
</table>

JavaScript

$(document).ready(function() {
  $('#example').DataTable({
    dom: 'Bfrtip',
    buttons: [{
        extend: 'copyHtml5',
        exportOptions: {
          orthogonal: 'export'
        }
      },
      {
        extend: 'excelHtml5',
        exportOptions: {
          orthogonal: 'export'
        }
      },
      {
        extend: 'pdfHtml5',
        exportOptions: {
          orthogonal: 'export'
        }
      }
    ]
  });
});