Element.ariaColIndex
The ariaColIndex
property of the Element
interface reflects the value of the aria-colindex
attribute, which defines an element's column index or position with respect to the total number of columns within a table, grid, or treegrid.
Value
A DOMString
which contains an integer.
Examples
In this example the aria-colindex
attribute on the element with an ID of role-heading
is set to "1". Using ariaColIndex
we update the value to "2".
<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-colindex="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>
let el = document.getElementById('role-heading');
console.log(el.ariaColIndex); // 1
el.ariaColIndex = "2"
console.log(el.ariaColIndex); // 2
Specifications
Specification |
---|
Accessible Rich Internet Applications (WAI-ARIA) 1.2 # dom-ariamixin-ariacolindex |
Browser compatibility
BCD tables only load in the browser