LockManager

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 available in Web Workers.

The LockManager interface of the Web Locks API provides methods for requesting a new Lock object and querying for an existing Lock object. To get an instance of LockManager, call navigator.locks.

Instance methods

LockManager.request()

Requests a Lock object with parameters specifying its name and characteristics.

LockManager.query()

Returns a Promise that resolves with an object that contains information about held and pending locks.

Specifications

Specification
Web Locks API
# api-lock-manager

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
LockManager
query
request

Legend

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Full support
Full support