The query()
method of the LockManager
interface returns a Promise
that resolves with an object containing information about held and pending locks.
The query()
method of the LockManager
interface returns a Promise
that resolves with an object containing information about held and pending locks.
js
query()
None.
A Promise
that resolves with an object containing a snapshot of the LockManager
state. The object has the following properties:
This method may return a promise rejected with a DOMException
of one of the following types:
InvalidStateError
DOMException
If the environments document is not fully active.
SecurityError
DOMException
If a lock manager cannot be obtained for the current environment.
js
const state = await navigator.locks.query(); for (const lock of state.held) { console.log(`held lock: name ${lock.name}, mode ${lock.mode}`); } for (const request of state.pending) { console.log(`requested lock: name ${request.name}, mode ${request.mode}`); }
Specification |
---|
Web Locks API # api-lock-manager-query |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
query |
69 | 79 | 96 | No | 56 | 15.4 | 69 | 69 | 96 | 48 | 15.4 | 10.0 |
© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/LockManager/query