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.
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.