Can You Use `position: sticky` for Table Headings Outside the Table?

Sticky Table Headings

The ability to make elements sticky within their parent elements has been introduced in Webkit. While you can achieve sticky behavior for table headings within the table itself using JavaScript and absolute positioning, it's worth considering whether sticky positioning can offer a simpler solution.

Does position: sticky work for table headings outside the table?

Yes, it is possible to make table headings sticky outside the table using sticky positioning. By adding the following CSS, you can achieve this effect:

<code class="css">thead th {
  position: sticky;
  top: 0;
}</code>

To use sticky positioning for table headings, your table should have a thead element containing th elements for each column heading. Here's an example:

<code class="html"><table>
  <thead>
    <tr>
      <th>Column 1</th>
      <th>Column 2</th>
      <th>Column 3</th>
      <th>Column 4</th>
    </tr>
  </thead>
  <tbody>
    <!-- Table body content -->
  </tbody>
</table></code>

Limitations and Compatibility

It's important to note that while sticky positioning works for table headings in modern browsers, compatibility may vary across different devices and browsers. According to caniuse.com, as of March 2018, support for sticky positioning is generally good across modern browsers: https://caniuse.com/#feat=css-sticky

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