This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The scope read-only property of the ServiceWorkerRegistration interface returns a string representing a URL that defines a service worker's registration scope; that is, the range of URLs a service worker can control. This is set using the scope parameter specified in the call to ServiceWorkerContainer.register() which registered the service worker.
Returns a string representing a URL that defines a service worker's registration scope.
| Specification |
|---|
| Service Workers> # service-worker-registration-scope> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
scope |
40 | 17 | 44 | 27 | 11.1 | 40 | 44 | 27 | 11.3 | 4.0 | 40 | No |
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/scope