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 contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Web Workers.

The LockManager interface of the navigator.locks.

Specifications

Specification
Product help Secure context: This feature is available only in `Lock` object and querying for an existing `Lock` object. To get an instance of `LockManager`, call `LockManager.query()`\n \n Returns a `query()` `WorkerNavigator.locks` ","source":{"folder":"en-us/web/api/lockmanager","github_url":"https://github.com/mdn/content/blob/main/files/en-us/web/api/lockmanager/index.md","last_commit_url":"https://github.com/mdn/content/commit/e4c0939929e1b3e1fa3fd3da82b827fca3ed4c79","filename":"index.md"},"summary":"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.","title":"LockManager","toc":[{"text":"Instance methods","id":"instance_methods"},{"text":"Specifications","id":"specifications"},{"text":"Browser compatibility","id":"browser_compatibility"}],"baseline":{"baseline":"high","baseline_low_date":"2022-03-14","baseline_high_date":"2024-09-14","support":{"chrome":"69","chrome_android":"69","edge":"79","firefox":"96","firefox_android":"96","safari":"15.4","safari_ios":"15.4"}},"browserCompat":["api.LockManager"],"pageType":"web-api-interface"}} Follow Lee on X/Twitter - Father, Husband, Serial builder creating AI, crypto, games & web tools. We are friends :) AI Will Come To Life! Check out: eBank.nz (Art Generator) \| Netwrck.com (AI Tools) \| Text-Generator.io (AI API) \| BitBank.nz (Crypto AI) \| ReadingTime (Kids Reading) \| RewordGame \| BigMultiplayerChess \| WebFiddle \| How.nz \| Helix AI Assistant

Specification

Product help

WorkerNavigator.locks

","source":{"folder":"en-us/web/api/lockmanager","github_url":"https://github.com/mdn/content/blob/main/files/en-us/web/api/lockmanager/index.md","last_commit_url":"https://github.com/mdn/content/commit/e4c0939929e1b3e1fa3fd3da82b827fca3ed4c79","filename":"index.md"},"summary":"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.","title":"LockManager","toc":[{"text":"Instance methods","id":"instance_methods"},{"text":"Specifications","id":"specifications"},{"text":"Browser compatibility","id":"browser_compatibility"}],"baseline":{"baseline":"high","baseline_low_date":"2022-03-14","baseline_high_date":"2024-09-14","support":{"chrome":"69","chrome_android":"69","edge":"79","firefox":"96","firefox_android":"96","safari":"15.4","safari_ios":"15.4"}},"browserCompat":["api.LockManager"],"pageType":"web-api-interface"}}