WorkerNavigator

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 self.navigator property.

Instance properties

The WorkerNavigator interface doesn't inherit any property.

WorkerNavigator.appCodeName Read only

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

WorkerNavigator.appName Read only

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

WorkerNavigator.appVersion Read only

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

WorkerNavigator.connection Read only

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

WorkerNavigator.gpu Read only

Returns the GPU object for the current worker context. The entry point for the WebGPU API.

WorkerNavigator.hardwareConcurrency Read only

Returns the number of logical processor cores available.

WorkerNavigator.language Read only

Returns a string representing the preferred language of the user, usually the language of the browser UI. The null value is returned when this is unknown.

WorkerNavigator.languages Read only

Returns an array of strings representing the languages known to the user, by order of preference.

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.mediaCapabilities Read only

Returns a MediaCapabilities object that can expose information about the decoding and encoding capabilities for a given format and output capabilities.

WorkerNavigator.onLine Read only

Returns a boolean value indicating whether the browser is online.

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.

WorkerNavigator.platform Read only

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

WorkerNavigator.product Read only

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

WorkerNavigator.serial Read only

Returns a Serial object, which represents the entry point into the Web Serial API to enable the control of serial ports.

WorkerNavigator.storage Read only

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

WorkerNavigator.userAgent Read only

Returns the user agent string for the current browser.

WorkerNavigator.userAgentData Read only

Returns a NavigatorUAData object, which gives access to information about the browser and operating system of the user.

Instance methods

The WorkerNavigator interface neither inherits nor implements any method.

Specifications

Specification
HTML Standard
# the-workernavigator-object

Browser compatibility

BCD tables only load in the browser

See also