serviceworker

Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

Type Object
Mandatory No

The serviceworker member describes a service worker that the developer intends to install to control the PWA.

Examples

"serviceworker": {
  "src": "./serviceworker.js",
  "scope": "/app",
  "type": "",
  "update_via_cache": "none"
}

Values

Service worker contain the following values (only src is required):

Member Description
src The URL to download the service worker script from. This is the only required member of the serviceworker member.
scope A string representing a URL that defines a service worker's registration scope; that is, what range of URLs a service worker can control. This is usually a relative URL, relative to the base URL of the application. By default, the scope value for a service worker registration is set to the directory where the service worker script is located.
type ?
update_via_cache

Whether the user agent cache should be bypassed when fetching the service worker.

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
serviceworker
ExperimentalDeprecatedNon-standard
Chrome ? Edge ? Firefox ? IE ? Opera ? Safari ? WebView Android ? Chrome Android ? Firefox Android ? Opera Android ? Safari iOS ? Samsung Internet Android ?

Legend

Compatibility unknown
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.