翻译正在进行中。
在未来一个特定的时间运行的计划任务代码。这很像setTimeout()和setInterval()，不过这些函数仅可以按需使用而不能在后台页面工作。
想要使用这个API，您需要获取"alarms"的permission。
类型
alarms.Alarm- Information about a particular alarm.
Functions
alarms.create()- Create a new alarm.
alarms.get()- Retrieves a specific alarm, given its name.
alarms.getAll()- Retrieve all scheduled alarms.
alarms.clear()- Clear a specific alarm, given its name.
alarms.clearAll()- Clear all scheduled alarms.
Events
alarms.onAlarm- Fired when an alarm goes off.
Browser compatibility
| Chrome | Edge | Firefox | Firefox for Android | Opera | |
|---|---|---|---|---|---|
Alarm |
Yes | No | 45.0 | 48.0 | 33 |
clear |
Yes | No | 45.0 | 48.0 | 33 |
clearAll |
Yes | No | 45.0 | 48.0 | 33 |
create |
Yes | No | 45.0 | 48.0 | 33 |
get |
Yes | No | 45.0 | 48.0 | 33 |
getAll |
Yes | No | 45.0 | 48.0 | 33 |
onAlarm |
Yes | No | 45.0 | 48.0 | 33 |
The "Chrome incompatibilities" section is included from https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Chrome_incompatibilities using the WebExtChromeCompat macro.
If you need to update this content, edit https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Chrome_incompatibilities, then shift-refresh this page to see your changes.
Chrome incompatibilities
None.
Example add-ons
Acknowledgements
This API is based on Chromium's chrome.alarms API.
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.