HTML · Tables

th

A header cell. The scope attribute tells assistive technology whether it labels a row or a column.

htmlRunnable example html course

Syntax

<th scope="col">…</th>

Example

Try it

<table>
  <tr><th scope="col">Course</th><th scope="col">Lessons</th></tr>
  <tr><td>HTML</td><td>16</td></tr>
</table>

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.