The abbr property of the HTMLTableCellElement interface indicates an abbreviation associated with the cell. If the cell does not represent a header cell <th>, it is ignored.
It reflects the abbr attribute of the <th> element.
Note: This property doesn't have a visual effect in browsers. It adds information to help assistive technology like screen readers that can use this abbreviation
A string.
This example adds prefixes with the abbreviation associated with the row header of each first cell.
<table>
<thead>
<tr>
<th abbr="Maker">Manufacturer</th>
<th abbr="Model">Car model</th>
</tr>
</thead>
<tbody>
<tr>
<td>Tesla</td>
<td>3</td>
</tr>
<tr>
<td>BYD</td>
<td>Dolphin</td>
</tr>
<tr>
<td>VW</td>
<td>ID.3</td>
</tr>
</tbody>
</table>const rows = document.querySelectorAll("thead tr");
const cells = rows[0].cells;
for (const cell of cells) {
cell.textContent = `${cell.textContent} (${cell.abbr})`;
}