Element: ariaRowIndex property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2023.
The ariaRowIndex property of the Element interface reflects the value of the aria-rowindex attribute, which defines an element's row index or position with respect to the total number of rows within a table, grid, or treegrid.
Value
A string which contains an integer.
Examples
In this example the aria-rowindex attribute on the element with an ID of role-heading is set to "1". Using ariaRowIndex we update the value to "2".
html
<table
id="semantic-table"
role="table"
aria-label="Semantic Elements"
aria-describedby="semantic_elements_table_desc"
aria-rowcount="100">
<caption id="semantic_elements_table_desc">
Semantic Elements to use instead of ARIA's roles
</caption>
<thead role="rowgroup">
<tr role="row">
<th
role="columnheader"
id="role-heading"
aria-sort="none"
aria-rowindex="1">
ARIA Role
</th>
<th
role="columnheader"
id="element-heading"
aria-sort="none"
aria-rowindex="1">
Semantic Element
</th>
</tr>
</thead>
<tbody role="rowgroup">
<tr role="row">
<td role="cell" aria-rowindex="11">header</td>
<td role="cell" aria-rowindex="11">h1</td>
</tr>
<tr role="row">
<td role="cell" aria-rowindex="16">header</td>
<td role="cell" aria-rowindex="16">h6</td>
</tr>
<tr role="row">
<td role="cell" aria-rowindex="18">rowgroup</td>
<td role="cell" aria-rowindex="18">thead</td>
</tr>
<tr role="row">
<td role="cell" aria-rowindex="24">term</td>
<td role="cell" aria-rowindex="24">dt</td>
</tr>
</tbody>
</table>
js
let el = document.getElementById("role-heading");
console.log(el.ariaRowIndex); // 1
el.ariaRowIndex = "2";
console.log(el.ariaRowIndex); // 2
Specifications
| Specification |
|---|
| Accessible Rich Internet Applications (WAI-ARIA) # dom-ariamixin-ariarowindex |