SharedWorkerGlobalScope

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The SharedWorkerGlobalScope object (the SharedWorker global scope) is accessible through the self keyword. Some additional global functions, namespaces objects, and constructors, not typically associated with the worker global scope, but available on it, are listed in the JavaScript Reference. See the complete list of functions available to workers.

Properties

This interface inherits properties from the WorkerGlobalScope interface, and its parent EventTarget, and therefore implements properties from WindowTimers, WindowBase64, and WindowEventHandlers.

SharedWorkerGlobalScope.name Lecture seule
The name that the SharedWorker was (optionally) given when it was created using the SharedWorker() constructor. This is mainly useful for debugging purposes.
SharedWorkerGlobalScope.applicationCache Lecture seule
This property returns the ApplicationCache object for the worker (see Using the application cache).

Properties inherited from WorkerGlobalScope

WorkerGlobalScope.self
Returns an object reference to the DedicatedWorkerGlobalScope object itself.
WorkerGlobalScope.console Lecture seule
Returns the Console associated with the worker.
WorkerGlobalScope.location Lecture seule
Returns the WorkerLocation associated with the worker. WorkerLocation is a specific location object, mostly a subset of the Location for browsing scopes, but adapted to workers.
WorkerGlobalScope.navigator Lecture seule
Returns the WorkerNavigator associated with the worker. WorkerNavigator is a specific navigator object, mostly a subset of the Navigator for browsing scopes, but adapted to workers.
WorkerGlobalScope.performance Lecture seule
Returns the Performance object associated with the worker, which is a regular performance object, but with a subset of its properties and methods available.

Event handlers

This interface inherits event handlers from the WorkerGlobalScope interface, and its parent EventTarget, and therefore implements event handlers from WindowTimers, WindowBase64, and WindowEventHandlers.

SharedWorkerGlobalScope.onconnect
Is an EventHandler representing the code to be called when the connect event is raised — that is, when a MessagePort connection is opened between the associated SharedWorker and the main thread.

Methods

This interface inherits methods from the WorkerGlobalScope interface, and its parent EventTarget, and therefore implements methods from WindowTimers, WindowBase64, and WindowEventHandlers.

SharedWorkerGlobalScope.close()
Discards any tasks queued in the SharedWorkerGlobalScope's event loop, effectively closing this particular scope.

Inherited from WorkerGlobalScope

WorkerGlobalScope.close()
Discards any tasks queued in the WorkerGlobalScope's event loop, effectively closing this particular scope.
WorkerGlobalScope.dump()
Allows you to write a message to stdout — i.e. in your terminal. This is the same as Firefox's window.dump, but for workers.
WorkerGlobalScope.importScripts()
Imports one or more scripts into the worker's scope. You can specify as many as you'd like, separated by commas. For example: importScripts('foo.js', 'bar.js');

Implemented from other places

WindowBase64.atob()
Decodes a string of data which has been encoded using base-64 encoding.
WindowBase64.btoa()
Creates a base-64 encoded ASCII string from a string of binary data.
WindowTimers.clearInterval()
Cancels the repeated execution set using WindowTimers.setInterval().
WindowTimers.clearTimeout()
Cancels the repeated execution set using WindowTimers.setTimeout().
WindowTimers.setInterval()
Schedules the execution of a function every X milliseconds.
WindowTimers.setTimeout()
Sets a delay for executing a function.

Events

Listen to this event using addEventListener() or by assigning an event listener to the oneventname property of this interface.

connect
Fired on shared workers when a new client connects.
Also available via the onconnect property.

Specifications

Specification Status Comment
HTML Living Standard
La définition de 'SharedWorkerGlobalScope' dans cette spécification.
Standard évolutif

Browser compatibility

Update compatibility data on GitHub
OrdinateurMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariWebview AndroidChrome pour AndroidFirefox pour AndroidOpera pour AndroidSafari sur iOSSamsung Internet
SharedWorkerGlobalScopeChrome Support complet 4Edge Support complet ≤79Firefox Support complet 29IE Aucun support NonOpera Support complet 10.6Safari Support complet 5WebView Android Support complet OuiChrome Android Support complet OuiFirefox Android Support complet 4Opera Android Support complet 11Safari iOS Support complet 7Samsung Internet Android Support complet Oui
applicationCacheChrome Support complet 4Edge Support complet ≤79Firefox Support complet 29IE Aucun support NonOpera Support complet 10.6Safari Aucun support NonWebView Android Support complet OuiChrome Android Support complet OuiFirefox Android Support complet 29Opera Android Support complet OuiSafari iOS ? Samsung Internet Android Support complet Oui
closeChrome Aucun support NonEdge Aucun support NonFirefox Support complet 54IE Aucun support NonOpera Aucun support NonSafari ? WebView Android Aucun support NonChrome Android Aucun support NonFirefox Android Support complet 54Opera Android Aucun support NonSafari iOS ? Samsung Internet Android Aucun support Non
connect eventChrome Support complet 4Edge Support complet ≤79Firefox Support complet 29
Notes
Support complet 29
Notes
Notes Before version 65 the data property of the event object was null; it is now initialized to an empty string, as per spec.
IE Aucun support NonOpera Support complet 10.6Safari Aucun support NonWebView Android Support complet OuiChrome Android Support complet 18Firefox Android Support complet 29
Notes
Support complet 29
Notes
Notes Before version 65 the data property of the event object was null; it is now initialized to an empty string, as per spec.
Opera Android Support complet OuiSafari iOS ? Samsung Internet Android Support complet 1.0
nameChrome Support complet OuiEdge Support complet ≤79Firefox Support complet 55IE Aucun support NonOpera Support complet 10.6Safari Aucun support NonWebView Android Support complet OuiChrome Android Support complet 40Firefox Android Support complet 55Opera Android Support complet OuiSafari iOS Aucun support NonSamsung Internet Android Support complet 4.0
onconnectChrome Support complet 4Edge Support complet ≤79Firefox Support complet 29IE Aucun support NonOpera Support complet 10.6Safari Aucun support NonWebView Android Support complet OuiChrome Android Support complet 18Firefox Android Support complet 29Opera Android Support complet OuiSafari iOS ? Samsung Internet Android Support complet 1.0

Légende

Support complet  
Support complet
Aucun support  
Aucun support
Compatibilité inconnue  
Compatibilité inconnue
Voir les notes d'implémentation.
Voir les notes d'implémentation.

See also