WorkerNavigator - Web APIs 编辑

The WorkerNavigator interface represents a subset of the Navigator interface allowed to be accessed from a Worker. Such an object is initialized for each worker and is available via the WorkerGlobalScope.navigator property obtained by calling window.self.navigator.

Properties

The WorkerNavigator interface implements properties from the NavigatorID, NavigatorLanguage, NavigatorOnLine, NavigatorDataStore, and NavigatorConcurrentHardware interfaces.

WorkerNavigator.connectionRead only

Provides a NetworkInformation object containing information about the network connection of a device.

WorkerNavigator.locks Read only

Returns a LockManager object which provides methods for requesting a new Lock object and querying for an existing Lock object.

WorkerNavigator.permissions Read only

Returns a Permissions object that can be used to query and update permission status of APIs covered by the Permissions API.

Navigator.storageRead only

Returns a StorageManager interface for managing persistance permissions and estimating available storage.

Inherited properties

NavigatorID.appCodeName Read only

Always returns 'Mozilla', in any browser. This property is kept only for compatibility purposes.

NavigatorID.appName Read only

Returns the official name of the browser. Do not rely on this property to return the correct value.

NavigatorID.appVersion Read only

Returns the version of the browser as a string. Do not rely on this property to return the correct value.

NavigatorConcurrentHardware.hardwareConcurrencyRead only

Returns the number of logical processor cores available.

NavigatorLanguage.languageRead only

Returns a DOMString representing the language version of the browser. The null value is returned when this is unknown.

NavigatorLanguage.languagesRead only

Returns an array of DOMStrings representing the languages known to the user, in order of preference.

NavigatorOnLine.onLineRead only

Returns a Boolean indicating whether the browser is online.

NavigatorID.platform Read only

Returns a string representing the platform of the browser. Do not rely on this property to return the correct value.

NavigatorID.product Read only

Always returns 'Gecko', on any browser. This property is kept only for compatibility purposes.

NavigatorID.userAgentRead only

Returns the user agent string for the current browser.

Methods

The WorkerNavigator interface implements methods from the NavigatorID, NavigatorLanguage and NavigatorOnLine interfaces.

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Other Worker-related interfaces: Worker, WorkerLocation, and WorkerGlobalScope.
• Using web workers.