* 仕様書

[REFS[
- [1] [CITE@en[Service Workers Nightly]] ([TIME[2017-02-16 20:10:49 +09:00]]) <https://w3c.github.io/ServiceWorker/#dfn-service-worker-global-object>
- [4] [CITE@en-US[Push API]], [TIME[2020-02-04 16:21:34 +09:00]] <https://w3c.github.io/push-api/#extensions-to-the-serviceworkerglobalscope-interface>
]REFS]


* 状態

[2] [[サービスワーカー]]は、
[DFN[[F[[RUBYB[[[大域オブジェクト][ServiceWorkerGlobalScope]]]@en[global scope]]]]]]を持ちます。
[CODE(DOMi)@en[ServiceWorkerGlobalScope]] または [CODE[null]] です。 [SRC[>>1]]

* メンバー

[FIG(short list)[ [5] [CODE[ServiceWorkerGlobalScope]] [[インターフェイスメンバー]]
- [CODE[onpush]]
- [CODE[onpushsubscriptionchange]]
]FIG]

* 歴史

[3] [CITE@en[Define exposure of the Push API interfaces]]
([[beverloo]]著, [TIME[2017-05-04 01:32:20 +09:00]])
<https://github.com/w3c/push-api/commit/350ee328178b1635f141412831892b16cb711305>