Navigator: userAgentData property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The userAgentData read-only property of the Navigator interface returns a NavigatorUAData object which can be used to access the User-Agent Client Hints API.

Value

A NavigatorUAData object.

Examples

The following example prints the value of NavigatorUAData.brands to the console.

js
console.log(navigator.userAgentData.brands);

Specifications

Specification
User-Agent Client Hints
# dom-navigatorua-useragentdata

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
userAgentData
Experimental
Secure context required
Experimental

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
See implementation notes.

See also