This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The LockManager interface of the 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.
Methods
LockManager.request()- Requests a
Lockobject with parameters specifying its name and characteristics. LockManager.query()- Returns a
Promisethat resolves with aLockManagerSnapshotwhich contains information about held and pending locks.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Web Locks API The definition of 'LockManager' in that specification. |
Draft | Initial definition. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LockManager | Chrome Full support 69 | Edge ? | Firefox ? | IE ? | Opera Full support 56 | Safari ? | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android ? | Opera Android Full support 48 | Safari iOS ? | Samsung Internet Android ? |
query | Chrome Full support 69 | Edge ? | Firefox ? | IE ? | Opera Full support 56 | Safari ? | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android ? | Opera Android Full support 48 | Safari iOS ? | Samsung Internet Android ? |
request | Chrome Full support 69 | Edge ? | Firefox ? | IE ? | Opera Full support 56 | Safari ? | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android ? | Opera Android Full support 48 | Safari iOS ? | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.