1. Web
  2. Web APIs
  3. WorkerNavigator
  4. locks

WorkerNavigator: locks property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2022.

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 locks read-only property of the WorkerNavigator interface returns a LockManager object which provides methods for requesting a new Lock object and querying for an existing Lock object.

Value

A LockManager object.

Specifications

Specification
Web Locks API
# dom-navigatorlocks-locks

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
locks
Chrome – Full support
Chrome 69 (Release date: 2018-09-04)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 96 (Release date: 2022-01-11)
footnote Full support
Opera – Full support
Opera 56 (Release date: 2018-09-25)
footnote Full support
Safari – Full support
Safari 15.4 (Release date: 2022-03-14)
footnote Full support
Chrome Android – Full support
Chrome Android 69 (Release date: 2018-09-04)
footnote Full support
Firefox for Android – Full support
Firefox for Android 96 (Release date: 2022-01-11)
footnote Full support
Opera Android – Full support
Opera Android 48 (Release date: 2018-11-08)
footnote Full support
Safari on iOS – Full support
Safari on iOS 15.4 (Release date: 2022-03-14)
footnote Full support
Samsung Internet – Full support
Samsung Internet 10 (Release date: 2019-08-22)
footnote Full support
WebView Android – Full support
WebView Android 69 (Release date: 2018-09-04)
footnote Full support
WebView on iOS – Full support
WebView on iOS 15.4 (Release date: 2022-03-14)
footnote Full support
Deno – No support
Deno
footnote No support

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Full support
No support

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