Navigator

{{APIRef("DOM")}} 

The Navigator interface represents the state and the identity of the user agent. It allows scripts to query it and to register themselves to carry on some activities.

A Navigator object can be retrieved using the read-only {{domxref("window.navigator")}}  property.

Instance properties

Doesn’t inherit any properties.

Standard properties

• {{domxref("Navigator.bluetooth")}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref("Bluetooth")}}  object for the current document, providing access to Web Bluetooth API functionality.
• {{domxref("Navigator.clipboard")}}  {{ReadOnlyInline}}  {{securecontext_inline}} 
  • : Returns a {{domxref("Clipboard")}}  object that provides read and write access to the system clipboard.
• {{domxref("Navigator.connection")}}  {{ReadOnlyInline}} 
  • : Returns a {{domxref("NetworkInformation")}}  object containing information about the network connection of a device.
• {{domxref("Navigator.contacts")}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref('ContactsManager')}}  interface which allows users to select entries from their contact list and share limited details of the selected entries with a website or application.
• {{domxref("Navigator.cookieEnabled")}}  {{ReadOnlyInline}} 
  • : Returns false if setting a cookie will be ignored and true otherwise.
• {{domxref("Navigator.credentials")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns the {{domxref("CredentialsContainer")}}  interface which exposes methods to request credentials and notify the user agent when interesting events occur such as successful sign in or sign out.
• {{domxref("Navigator.deviceMemory")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : 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.
• {{domxref("Navigator.devicePosture")}}  {{ReadOnlyInline}}  {{Experimental_Inline}} 
  • : Returns the browser’s {{domxref("DevicePosture")}}  object, which allows developers to query the device’s current posture (that is, whether the viewport is in a flat or folded state) and run code in response to posture changes.
• {{domxref("Navigator.geolocation")}}  {{ReadOnlyInline}} 
  • : Returns a {{domxref("Geolocation")}}  object allowing accessing the location of the device.
• {{domxref("Navigator.gpu")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns the {{domxref("GPU")}}  object for the current browsing context. The entry point for the {{domxref("WebGPU_API", "WebGPU API", "", "nocode")}} .
• {{domxref("Navigator.hardwareConcurrency")}}  {{ReadOnlyInline}} 
  • : Returns the number of logical processor cores available.
• {{domxref("Navigator.hid")}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns an {{domxref("HID")}}  object providing methods for connecting to HID devices, listing attached HID devices, and event handlers for connected HID devices.
• {{domxref("Navigator.ink")}}  {{ReadOnlyInline}}  {{Experimental_Inline}} 
  • : Returns an {{domxref("Ink")}}  object for the current document, providing access to Ink API functionality.
• {{domxref('Navigator.keyboard')}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref('Keyboard')}}  object which provides access to functions that retrieve keyboard layout maps and toggle capturing of key presses from the physical keyboard.
• {{domxref("Navigator.language")}}  {{ReadOnlyInline}} 
  • : 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.
• {{domxref("Navigator.languages")}}  {{ReadOnlyInline}} 
  • : Returns an array of strings representing the languages known to the user, by order of preference.
• {{domxref("Navigator.locks")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref("LockManager")}}  object that provides methods for requesting a new {{domxref('Lock')}}  object and querying for an existing {{domxref('Lock')}}  object.
• {{domxref("Navigator.login")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Provides access to the browser’s {{domxref("NavigatorLogin")}}  object, which a federated identity provider (IdP) can use to set a user’s login status when they sign into or out of the IdP. See Federated Credential Management (FedCM) API for more details.
• {{domxref("Navigator.maxTouchPoints")}}  {{ReadOnlyInline}} 
  • : Returns the maximum number of simultaneous touch contact points are supported by the current device.
• {{domxref("Navigator.mediaCapabilities")}}  {{ReadOnlyInline}} 
  • : Returns a {{domxref("MediaCapabilities")}}  object that can expose information about the decoding and encoding capabilities for a given format and output capabilities.
• {{domxref("Navigator.mediaDevices")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns a reference to a {{domxref("MediaDevices")}}  object which can then be used to get information about available media devices ({{domxref("MediaDevices.enumerateDevices()")}} ), find out what constrainable properties are supported for media on the user’s computer and user agent ({{domxref("MediaDevices.getSupportedConstraints()")}} ), and to request access to media using {{domxref("MediaDevices.getUserMedia()")}} .
• {{domxref("Navigator.mediaSession")}}  {{ReadOnlyInline}} 
  • : Returns {{domxref("MediaSession")}}  object which can be used to provide metadata that can be used by the browser to present information about the currently-playing media to the user, such as in a global media controls UI.
• {{domxref("Navigator.onLine")}}  {{ReadOnlyInline}} 
  • : Returns a boolean value indicating whether the browser is working online.
• {{domxref("Navigator.pdfViewerEnabled")}}  {{ReadOnlyInline}} 
  • : Returns true if the browser can display PDF files inline when navigating to them, and false otherwise.
• {{domxref("Navigator.permissions")}}  {{ReadOnlyInline}} 
  • : Returns a {{domxref("Permissions")}}  object that can be used to query and update permission status of APIs covered by the Permissions API.
• {{domxref("Navigator.presentation")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns a reference to the {{domxref("Presentation")}}  API.
• {{domxref("Navigator.scheduling")}}  {{ReadOnlyInline}}  {{Experimental_Inline}} 
  • : Returns a {{domxref("Scheduling")}}  object for the current document.
• {{domxref("Navigator.serial")}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref("Serial")}}  object, which represents the entry point into the Web Serial API to enable the control of serial ports.
• {{domxref("Navigator.serviceWorker")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref("ServiceWorkerContainer")}}  object, which provides access to registration, removal, upgrade, and communication with the {{domxref("ServiceWorker")}}  objects for the associated document.
• {{domxref("Navigator.storage")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns the singleton {{domxref('StorageManager')}}  object used for managing persistence permissions and estimating available storage on a site-by-site/app-by-app basis.
• {{domxref("Navigator.usb")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref("USB")}}  object for the current document, providing access to WebUSB API functionality.
• {{domxref("Navigator.userActivation")}}  {{ReadOnlyInline}} 
  • : Returns a {{domxref("UserActivation")}}  object containing information about the current window’s user activation state.
• {{domxref("Navigator.userAgent")}}  {{ReadOnlyInline}} 
  • : Returns the user agent string for the current browser.
• {{domxref("Navigator.userAgentData")}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref("NavigatorUAData")}}  object, which gives access to information about the browser and operating system of the user.
• {{domxref("Navigator.virtualKeyboard")}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns a reference to the {{domxref("VirtualKeyboard")}}  API, to take control of the on-screen virtual keyboard.
• {{domxref("Navigator.wakeLock")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns a {{domxref("WakeLock")}}  interface you can use to request screen wake locks and prevent screen from dimming, turning off, or showing a screen saver.
• {{domxref("Navigator.webdriver")}}  {{ReadOnlyInline}} 
  • : Indicates whether the user agent is controlled by automation.
• {{domxref("Navigator.windowControlsOverlay")}}  {{ReadOnlyInline}}  {{SecureContext_Inline}} 
  • : Returns the {{domxref("WindowControlsOverlay")}}  interface which exposes information about the geometry of the title bar in desktop Progressive Web Apps, and an event to know whenever it changes.
• {{domxref("Navigator.xr")}}  {{ReadOnlyInline}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns {{domxref("XRSystem")}}  object, which represents the entry point into the WebXR API.

Non-standard properties

• {{domxref("Navigator.buildID")}}  {{ReadOnlyInline}}  {{Non-standard_Inline}} 
  • : Returns the build identifier of the browser. In modern browsers this property now returns a fixed timestamp as a privacy measure, e.g., 20181001000000 in Firefox 64 onwards.
• {{domxref("Navigator.globalPrivacyControl")}}  {{ReadOnlyInline}}  {{Experimental_Inline}} 
  • : Returns a boolean indicating a user’s consent to their information being shared or sold.
• {{domxref("Navigator.standalone")}}  {{Non-standard_Inline}} 
  • : Returns a boolean indicating whether the browser is running in standalone mode. Available on Apple’s iOS Safari only.

Deprecated properties

• {{domxref("Navigator.activeVRDisplays")}}  {{ReadOnlyInline}}  {{Deprecated_Inline}}  {{Non-standard_Inline}} 
  • : Returns an array containing every {{domxref("VRDisplay")}}  object that is currently presenting ({{domxref("VRDisplay.isPresenting")}}  is true).
• {{domxref("Navigator.appCodeName")}}  {{ReadOnlyInline}} 
  • : Always returns 'Mozilla', in any browser.
• {{domxref("Navigator.appName")}}  {{ReadOnlyInline}} 
  • : Always returns 'Netscape', in any browser.
• {{domxref("Navigator.appVersion")}}  {{ReadOnlyInline}} 
  • : Returns the version of the browser as a string. Do not rely on this property to return the correct value.
• {{domxref("Navigator.doNotTrack")}}  {{ReadOnlyInline}}  {{Deprecated_Inline}}  {{non-standard_inline}} 
  • : Reports the value of the user’s do-not-track preference. When this value is “1”, your website or application should not track the user.
• {{domxref("Navigator.mimeTypes")}}  {{ReadOnlyInline}} 
  • : Returns an {{domxref("MimeTypeArray")}}  listing the MIME types supported by the browser.
• {{domxref("Navigator.oscpu")}}  {{ReadOnlyInline}} 
  • : Returns a string that represents the current operating system.
• {{domxref("Navigator.platform")}}  {{ReadOnlyInline}} 
  • : Returns a string representing the platform of the browser. Do not rely on this function to return a significant value.
• {{domxref("Navigator.plugins")}}  {{ReadOnlyInline}} 
  • : Returns a {{domxref("PluginArray")}}  listing the plugins installed in the browser.
• {{domxref("Navigator.product")}}  {{ReadOnlyInline}} 
  • : Always returns 'Gecko', in any browser.
• {{domxref("Navigator.productSub")}}  {{ReadOnlyInline}} 
  • : Returns either the string '20030107', or '"20100101'.
• {{domxref("Navigator.vendor")}}  {{ReadOnlyInline}} 
  • : Returns either the empty string, 'Apple Computer Inc.', or 'Google Inc.'.
• {{domxref("Navigator.vendorSub")}}  {{ReadOnlyInline}} 
  • : Always returns the empty string.

Instance methods

Doesn’t inherit any method.

• {{domxref("Navigator.canShare()")}}  {{SecureContext_Inline}} 
  • : Returns true if a call to Navigator.share() would succeed.
• {{domxref("Navigator.clearAppBadge()")}}  {{SecureContext_Inline}} 
  • : Clears a badge on the current app’s icon and returns a {{jsxref("Promise")}}  that resolves with {{jsxref("undefined")}} .
• {{domxref("Navigator.deprecatedReplaceInURN()")}}  {{Experimental_Inline}} 
  • : Substitutes specified strings inside the mapped URL corresponding to a given opaque URN or FencedFrameConfig’s internal url property. This method has been made available as a temporary measure (hence “deprecated”) to enable that substitution for fenced frame URLs, helping ad tech providers to migrate existing implementations across to privacy sandbox APIs.
• {{domxref("Navigator.getAutoplayPolicy()")}}  {{Experimental_Inline}} 
  • : Returns a value indicating whether the specified media element, audio context, or media feature “type” is allowed to autoplay.
• {{domxref("Navigator.getBattery()")}}  {{SecureContext_Inline}} 
  • : Returns a promise that resolves with a {{domxref("BatteryManager")}}  object that returns information about the battery charging status.
• {{domxref("Navigator.getGamepads()")}} 
  • : returns an array of {{domxref("Gamepad")}}  objects, one for each gamepad connected to the device.
• {{domxref("Navigator.getInstalledRelatedApps()")}}  {{Experimental_Inline}}  {{SecureContext_Inline}} 
  • : Returns a promise that resolves with an array of objects representing any related native or Progressive Web Applications that the user has installed.
• {{domxref("Navigator.registerProtocolHandler()")}}  {{SecureContext_Inline}} 
  • : Allows websites to register themselves as a possible handler for a given protocol.
• {{domxref("Navigator.requestMediaKeySystemAccess()")}}  {{SecureContext_Inline}} 
  • : Returns a {{jsxref("Promise")}}  for a MediaKeySystemAccess object.
• {{domxref("Navigator.requestMIDIAccess()")}}  {{SecureContext_Inline}} 
  • : Returns a {{jsxref('Promise')}}  representing a request for access to MIDI devices on the user’s system.
• {{domxref("Navigator.sendBeacon()")}} 
  • : Used to asynchronously transfer a small amount of data using {{Glossary("HTTP")}}  from the User Agent to a web server.
• {{domxref("Navigator.setAppBadge()")}}  {{SecureContext_Inline}} 
  • : Sets a badge on the icon associated with this app and returns a {{jsxref("Promise")}}  that resolves with {{jsxref("undefined")}} .
• {{domxref("Navigator.share()")}}  {{SecureContext_Inline}} 
  • : Invokes the native sharing mechanism of the current platform.
• {{domxref("Navigator.vibrate()")}} 
  • : Causes vibration on devices with support for it. Does nothing if vibration support isn’t available.
• {{domxref("Navigator.unregisterProtocolHandler()")}}  {{SecureContext_Inline}} 
  • : Unregister a website that is a handler for a given protocol.

Deprecated methods

• {{domxref("Navigator.getUserMedia()")}}  {{Deprecated_Inline}}  {{SecureContext_Inline}} 
  • : After having prompted the user for permission, returns the audio or video stream associated to a camera or microphone on the local computer.
• {{domxref("Navigator.getVRDisplays()")}}  {{Deprecated_Inline}}  {{Non-standard_Inline}} 
  • : Returns a promise that resolves to an array of {{domxref("VRDisplay")}}  objects representing any available VR devices connected to the computer.
• {{domxref("Navigator.javaEnabled()")}} 
  • : Always returns false.
• {{domxref("Navigator.taintEnabled()")}} 
  • : Returns false. JavaScript taint/untaint functions removed in JavaScript 1.2.

Specifications

{{Specifications}} 

Browser compatibility

{{Compat}}