이 글은 기술 검토가 필요합니다. 도울을 줄 수 있는 방법을 살펴보세요.
이 문서는 아직 자원 봉사자들이 한국어로 번역하지 않았습니다. 함께 해서 번역을 마치도록 도와 주세요!
Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The PeriodicSyncRegistration interface of the ServiceWorker API provides an object for managing periodic background synchronization.
Properties
PeriodicSyncRegistration.minPeriodRead only- Provides in miliseconds the minimum time between periodic
syncevents. User agents may delay this event for reasons ranging from usage frequency to device states such as, for example, battery charge, connectivity, and location. PeriodicSyncRegistration.networkStateRead only- Indicates the network condition under which periodic background synchronization will occur. Valid values are
'any','avoid-cellular', and'online'. PeriodicSyncRegistration.powerStateRead only- Indicates how the PeriodicSyncRegistration deals with a devices' battery conditions. Valid values are
'auto', and'avoid-draining'. PeriodicSyncRegistration.tagRead only- Provides the unique identifier of the specified
PeriodicSyncRegistration.
Methods
PeriodicSyncRegistration.unregister- Returns a
Promisethat resolves to Boolean indicating whether thePeriodicSyncRegistrationobject was unregistered.
Examples
// TBD
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | No support | ? | ? | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | No support | ? | ? | ? | ? | ? | No support |