Tryit Editor v1.8

Source Code:

<!DOCTYPE html>
<html>
<body>

<table border="1">
  <tr>
    <th id="name" colspan="2">Name</th>
  </tr>
  <tr>
    <th headers="name">Firsname</th>
    <th headers="name">Lastname</th>
  </tr>
</table>

</body>
</html>

Result:

W3Schools.com - Try it yourself

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