WorkerNavigator
Note: This feature is only available in Web Workers.
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.
-
Always returns
'Mozilla'
, in any browser. This property is kept only for compatibility purposes. -
Returns the official name of the browser. Do not rely on this property to return the correct value.
-
Returns the version of the browser as a string. Do not rely on this property to return the correct value.
-
Provides a
NetworkInformation
object containing information about the network connection of a device. -
Returns the amount of device memory in gigabytes. This value is an approximation given by rounding to the nearest power of 2 and dividing that number by 1024.
-
Returns a boolean indicating a user's consent to their information being shared or sold.
-
Returns the
GPU
object for the current worker context. The entry point for the WebGPU API. -
Returns the number of logical processor cores available.
-
Returns an
HID
object providing methods for connecting to HID devices already granted permission by the user and listing attached HID devices, and event handlers for responding to HID devices connecting and disconnecting. -
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. -
Returns an array of strings representing the languages known to the user, by order of preference.
-
Returns a
LockManager
object which provides methods for requesting a newLock
object and querying for an existingLock
object. -
Returns a
MediaCapabilities
object that can expose information about the decoding and encoding capabilities for a given format and output capabilities. -
Returns a boolean value indicating whether the browser is online.
-
Returns a
Permissions
object that can be used to query and update permission status of APIs covered by the Permissions API. -
Returns a string representing the platform of the browser. Do not rely on this property to return the correct value.
-
Always returns
'Gecko'
, on any browser. This property is kept only for compatibility purposes. -
Returns a
Serial
object, which represents the entry point into the Web Serial API. to enable the control of serial ports. -
Returns a
ServiceWorkerContainer
object, which provides access to registration, removal, upgrade, and communication with theServiceWorker
objects for the associated document. -
Returns a
StorageManager
interface for managing persistence permissions and estimating available storage. -
Returns a
USB
object for the current document, providing access to WebUSB API functionality. -
Returns the user agent string for the current browser.
-
Returns a
NavigatorUAData
object, which gives access to information about the browser and operating system of the user.
Instance methods
Specifications
Specification |
---|
HTML Standard # the-workernavigator-object |
Browser compatibility
BCD tables only load in the browser
See also
- Other Worker-related interfaces:
Worker
,WorkerLocation
, andWorkerGlobalScope
- Using web workers