From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../serviceworkerregistration/active/index.html | 127 +++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 files/zh-cn/web/api/serviceworkerregistration/active/index.html (limited to 'files/zh-cn/web/api/serviceworkerregistration/active') diff --git a/files/zh-cn/web/api/serviceworkerregistration/active/index.html b/files/zh-cn/web/api/serviceworkerregistration/active/index.html new file mode 100644 index 0000000000..360536e262 --- /dev/null +++ b/files/zh-cn/web/api/serviceworkerregistration/active/index.html @@ -0,0 +1,127 @@ +--- +title: ServiceWorkerRegistration.active +slug: Web/API/ServiceWorkerRegistration/active +translation_of: Web/API/ServiceWorkerRegistration/active +--- +
{{SeeCompatTable}}{{APIRef("Service Workers API")}}
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The active property of the {{domxref("ServiceWorkerRegistration")}} interface returns a service worker whose {{domxref("ServiceWorker.state")}} is activating or activated. This property is initially set to null.

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An active worker controls a {{domxref("ServiceWorkerClient")}} if the client's URL falls within the scope of the registration (the scope option set when {{domxref("ServiceWorkerContainer.register")}} is first called.)

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Note: This feature is available in Web Workers.

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Syntax

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sw = ServiceWorker.active
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Value

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A {{domxref("ServiceWorker")}} object, if it is currently in an activating or activated state.

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Specifications

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SpecificationStatusComment
{{SpecName('Service Workers', '#service-worker-registration-active-attribute', 'ServiceWorkerRegistration.active')}}{{Spec2('Service Workers')}}Initial definition.
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Browser compatibility

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{{CompatibilityTable}}
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FeatureChromeFirefox (Gecko)Internet ExplorerOperaSafari (WebKit)
Basic support{{CompatChrome(40.0)}}{{ CompatGeckoDesktop("44.0") }}[1]{{CompatNo}}{{CompatUnknown}}{{CompatNo}}
Available in web workers{{CompatVersionUnknown}}{{CompatGeckoDesktop("44.0")}}[1]{{CompatNo}}{{CompatUnknown}}{{CompatNo}}
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FeatureAndroidFirefox Mobile (Gecko)Firefox OSIE MobileOpera MobileSafari MobileChrome for Android
Basic support{{CompatUnknown}}{{ CompatGeckoMobile("44.0") }}{{ CompatVersionUnknown }}{{CompatNo}}{{CompatUnknown}}{{CompatNo}}{{CompatUnknown}}
Available in web workers{{CompatUnknown}}{{CompatVersionUnknown}}{{CompatUnknown}}{{CompatNo}}{{CompatUnknown}}{{CompatNo}}{{CompatUnknown}}
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[1] Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR.)

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See also

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