WorkerNavigator: userAgentData property

Limited availability

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

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

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

Note: This feature is only available in Web Workers.

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

Value

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

console.log(navigator.userAgentData.brands);

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

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`userAgentData` Experimental	Chrome – Full support Chrome 90 (Release date: 2021-04-13) footnote Full support	Edge – Full support Edge 90 (Release date: 2021-04-15) footnote Full support	Firefox – No support Firefox footnote No support	Opera – Full support Opera 76 (Release date: 2021-04-28) footnote Full support	Safari – No support Safari footnote No support	Chrome Android – Full support Chrome Android 90 (Release date: 2021-04-13) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 64 (Release date: 2021-05-25) footnote Full support	Safari on iOS – No support Safari on iOS footnote No support	Samsung Internet – Full support Samsung Internet 15 (Release date: 2021-08-13) footnote Full support	WebView Android – No support WebView Android footnote footnote See bug 40609350	WebView on iOS – No support WebView on iOS footnote No support

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