Element: ariaSelected property
The ariaSelected property of the Element interface reflects the value of the aria-selected attribute, which indicates the current "selected" state of elements that have a selected state.
Value
A string with one of the following values:
"true"-
The item is selected.
"false"-
The item is not selected.
"undefined"-
The item is not selectable.
Examples
In this example the aria-selected attribute on the element with an ID of tab-id is set to "true". Using ariaSelected we update the value to "false".
html
<button role="tab" aria-selected="true" aria-controls="tabpanel-id" id="tab-id">
Tab label
</button>
js
let el = document.getElementById("tab-id");
console.log(el.ariaSelected); // true
el.ariaSelected = "false";
console.log(el.ariaSelected); // false