Baseline 2023
Newly available
The ariaOrientation property of the Element interface reflects the value of the aria-orientation attribute, which indicates whether the element's orientation is horizontal, vertical, or unknown/ambiguous.
A string with one of the following values:
"horizontal"
The element is horizontal.
"vertical"
The element is vertical.
"undefined"
The element's orientation is unknown.
In this example the aria-orientation attribute on the element with an ID of handle_zoomSlider is set to "vertical". Using ariaOrientation we update the value to "horizontal".
<div
id="handle_zoomSlider"
role="slider"
aria-orientation="vertical"
aria-valuemin="0"
aria-valuemax="17"
aria-valuenow="14"
tabindex="0">
<span>11</span>
</div>
let el = document.getElementById("handle_zoomSlider");
console.log(el.ariaOrientation); // "vertical"
el.ariaOrientation = "horizontal";
console.log(el.ariaOrientation); // "horizontal"
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