WorkerNavigator - Web APIs | MDN (original) (raw)
Baseline
Widely available *
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.
WorkerNavigator.appCodeName Deprecated Read only
Always returns 'Mozilla', in any browser. This property is kept only for compatibility purposes.
WorkerNavigator.appName Deprecated Read only
Returns the official name of the browser. Do not rely on this property to return the correct value.
WorkerNavigator.appVersion Deprecated 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.deviceMemory Read only Secure context
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.
WorkerNavigator.globalPrivacyControl Read only Experimental
Returns a boolean indicating a user's consent to their information being shared or sold.
WorkerNavigator.gpu Read only Experimental Secure context
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.hid Read only Experimental Secure context
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.
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 Secure context
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 Deprecated Read only
Returns a string representing the platform of the browser. Do not rely on this property to return the correct value.
WorkerNavigator.product Deprecated Read only
Always returns 'Gecko', on any browser. This property is kept only for compatibility purposes.
WorkerNavigator.serial Read only Experimental Secure context
Returns a Serial object, which represents the entry point into the Web Serial API, to enable the control of serial ports.
WorkerNavigator.serviceWorker Read only Secure context
Returns a ServiceWorkerContainer object, which provides access to registration, removal, upgrade, and communication with the ServiceWorker objects for the associated document.
WorkerNavigator.storage Read only Secure context
Returns a StorageManager interface for managing persistence permissions and estimating available storage.
WorkerNavigator.usb Read only Secure context
Returns a USB object for the current document, providing access to WebUSB API functionality.
WorkerNavigator.userAgent Read only
Returns the user agent string for the current browser.
WorkerNavigator.userAgentData Read only Experimental Secure context
Returns a NavigatorUAData object, which gives access to information about the browser and operating system of the user.
Instance methods
The WorkerNavigator interface doesn't inherit any method.
WorkerNavigator.clearAppBadge() Secure context
Clears a badge on the current app's icon and returns a Promise that resolves with undefined.
WorkerNavigator.setAppBadge() Secure context
Sets a badge on the icon associated with this app and returns a Promise that resolves with undefined.
Specifications
| Specification |
|---|
| HTML # the-workernavigator-object |