Table HeadingTable heading tags <th> ... </th> are used to designate a cell as a header. These tags should be used with in <tr> ... </tr>. By default, the content of the header row is center aligned and appears in bold face.
<th>Cell 1 </th>
<th>Cell 2 </th>
<td>Cell 3 </td>
<td>Cell 4 </td>
Above code defines a table with two rows and four cells as below.