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.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 69 | ? | ? | ? | 56 | ? |
query | 69 | ? | ? | ? | 56 | ? |
request | 69 | ? | ? | ? | 56 | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | 69 | 69 | ? | ? | 56 | ? | ? |
query | 69 | 69 | ? | ? | 56 | ? | ? |
request | 69 | 69 | ? | ? | 56 | ? | ? |