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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
Note: This feature is available in Web Workers.
sw = ServiceWorker.active
ServiceWorker object, if it is currently in an
The definition of 'ServiceWorkerRegistration.active' in that specification.
|Working Draft||Initial definition.
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||40.0||44.0 (44.0)||No support||?||No support|
|Available in web workers||(Yes)||44.0 (44.0)||No support||?||No support|
|Feature||Android||Firefox Mobile (Gecko)||Firefox OS||IE Mobile||Opera Mobile||Safari Mobile||Chrome for Android|
|Basic support||?||44.0 (44.0)||(Yes)||No support||?||No support||?|
|Available in web workers||?||(Yes)||?||No support||?||No support||?|