WAI-ARIA: aria-orientation (Property)

Description

Indicates whether the element’s orientation is horizontal, vertical, or unknown/ambiguous.

Note: In ARIA 1.1, the default value for aria-orientation changed from horizontal to undefined. Implicit defaults are defined on some roles (e.g., slider defaults to horizontal; scrollbar defaults to vertical) but remain undefined on roles where an expected default orientation is ambiguous (e.g., radiogroup).

Browser Compatibility For aria-orientation

	desktop						mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet
`ariaOrientation`	ChromeFull support81	EdgeFull support81	FirefoxNo supportNo	Internet ExplorerNo supportNo	OperaFull support68	SafariFull support12.1	WebView AndroidFull support81	Chrome AndroidFull support81	Firefox for AndroidNo supportNo	Opera AndroidFull support58	Safari on iOSFull support12.2	Samsung InternetFull support13.0

aria-orientation Example

Example coming soon

Characteristics

Used in Roles

Inherits into Roles

Value

token
One of a limited set of allowed values. An explicit value of undefined for this type is the equivalent of providing no value.
horizontal
The element is oriented horizontally.
undefined (default)
- The element’s orientation is unknown/ambiguous.
vertical
- The element is oriented vertically.

Semantic HTML

No HTML element equivalent.

Reference

W3C (opens new window)
MDN Web Docs