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 Window.navigator property.

Properties

Doesn't inherit any property, but implements those defined in NavigatorID, NavigatorLanguage, NavigatorOnLine, NavigatorPlugins, NavigatorUserMedia, and NetworkInformation.

Standard

NavigatorID.appCodeName Read only
Returns the internal "code" name of the current browser. Do not rely on this property to return the correct value.
NavigatorID.appName Read only
Returns a DOMString with 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 DOMString. Do not rely on this property to return the correct value.
Navigator.battery Read only
Returns a BatteryManager object you can use to get information about the battery charging status.
NetworkInformation.connection Read only
Provides a Connection with information about the network connection of a device.
Navigator.geolocation Read only
Returns a Geolocation object allowing accessing the location of the device.
NavigatorPlugins.javaEnabled Read only
Returns a Boolean flag indicating whether the host browser is Java-enabled or not.
NavigatorLanguage.language Read only
Returns a DOMString representing the preferred language of the user, usually the language of the browser UI. The null value is returned when this is unknown.
NavigatorLanguage.languages Read only
Returns an array of DOMString representing the languages known to the user, by order of preference.
NavigatorPlugins.mimeTypes Read only
Returns an MimeTypeArray listing the MIME types supported by the browser.
NavigatorOnLine.onLine Read only
Returns a Boolean indicating whether the browser is working online.
Navigator.oscpu
Returns a string that represents the current operating system.
NavigatorID.platform Read only
Returns a string representing the platform of the browser. Do not rely on this function to return a significant value.
NavigatorPlugins.plugins Read only
Returns a PluginArray listing the plugins installed in the browser.
NavigatorID.product Read only
Always returns 'Gecko', on any browser. This property is kept only for compatibility purpose.
NavigatorID.userAgent Read only
Returns the user agent string for the current browser.
Navigator.serviceWorker Read only
Returns a ServiceWorkerContainer object, which provides access to registration, removal, upgrade, and communication with the ServiceWorker objects for the associated document.

Non-standard

Navigator.buildID
Returns the build identifier of the browser (e.g., "2006090803").
Navigator.cookieEnabled
Returns a boolean indicating whether cookies are enabled in the browser or not.
Navigator.doNotTrack
Reports the value of the user's do-not-track preference. When this value is "yes", your web site or application should not track the user.
Navigator.id
Returns the id object which you can use to add support for BrowserID to your web site.
Navigator.mediaDevices 
Returns a reference to the MediaDevices interface.
Navigator.mozAlarms Requires FirefoxOS 1.0
Returns a MozAlarmsManager object you can use to schedule notifications or applications to be started at a specific time.
Navigator.mozApps
Returns an Apps object you can use to install, manage, and control Open Web apps.
Navigator.mozAudioChannelManager
The navigator.mozAudioChannelManager object provides access to the mozAudioChannelManager interface, which is used to manage your Firefox OS device's audio channels, including setting what channel's volume to affect when the volume buttons are pressed inside a particular app.
Navigator.mozCamera Requires FirefoxOS 1.0
Return a CameraManager object you can use to access cameras available on your device.
Navigator.mozFMRadio Requires FirefoxOS 1.0
Return an FMRadio object you can use to access the device FM radio.
Navigator.mozMobileConnections Requires FirefoxOS 1.0
Return a list of MozMobileConnection object to retrieve the connection states of a mobile device and to perform some SIM/RUIM card actions.
Navigator.mozMobileMessage Requires FirefoxOS 1.1
Returns a MozMobileMessageManager object you can use to manage MMS and SMS messaging in your web application.
Navigator.mozNetworkStats Requires FirefoxOS 1.0
Returns a MozNetworkStatsManager object you can use to access network data amount information.
Navigator.mozNfc Requires FirefoxOS 2.0
Returns a MozNFC object that can be used to access Near Field Communication (NFC) functionality, allowing two phones to have data transferred between one another simply by holding them close or tapping them together.
Navigator.mozNotification Deprecated since Gecko 22
Navigator.webkitNotification
Returns a notification object you can use to deliver notifications to the user from your web application.
Navigator.mozPower Requires FirefoxOS 1.0
Returns a PowerManager object that allows to control the power usage and turn off unused peripherals to save power.
Navigator.mozSettings Requires FirefoxOS 1.0
Returns a SettingsManager object you can use to access the device's settings.
Navigator.mozSms Requires FirefoxOS 1.0 Deprecated since Gecko 25
Returns a MozSmsManager object you can use to manage SMS messaging in your web application.
Navigator.mozSocial
The Object, returned by the navigator.mozSocial property, is available within the social media provider's panel to provide functionality it may need.
Navigator.mozTCPSocket Requires FirefoxOS 1.0
Returns a TCPSocket object that allows to open a raw TCP connection.
Navigator.mozTelephony Requires FirefoxOS 1.0
Returns a Telephony object you can use to create and manage telephone calls.
Navigator.mozWifiManager Requires FirefoxOS 1.0
Returns a WifiManager object you can use to manage Wifi networks.
Navigator.productSub
Returns the build number of the current browser (e.g., "20060909").
Navigator.securitypolicy
Returns an empty string. In Netscape 4.7x, returns "US & CA domestic policy" or "Export policy".
Navigator.standalone
Returns a boolean indicating whether the browser is running in standalone mode. Available on Apple's iOS Safari only.
Navigator.vendor
Returns the vendor name of the current browser (e.g., "Netscape6").
Navigator.vendorSub
Returns the vendor version number (e.g. "6.1").
Navigator.webkitPointer
Returns a PointerLock object for the Mouse Lock API.

Methods

Doesn't inherit any method, but implements those defined in NavigatorID, NavigatorContentUtils, NavigatorUserMedia, and NavigatorStorageUtils.

Standard

NavigatorUserMedia.getUserMedia()
After having prompted the user for permission, returns the audio or video stream associated to a camera or microphone on the local computer.
Navigator.registerContentHandler()
Allows web sites to register themselves as a possible handler for a given MIME type.
Navigator.registerProtocolHandler()
Allows web sites to register themselves as a possible handler for a given protocol.
Navigator.requestMediaKeySystemAccess()
Returns a Promise for a MediaKeySystemAccess object.
NavigatorID.taintEnabled() Deprecated since Gecko 1.7.8 Obsolete since Gecko 9.0
Returns false. JavaScript taint/untaint functions removed in JavaScript 1.2.
Navigator.vibrate()
Causes vibration on devices with support for it. Does nothing if vibration support isn't available.

Non-standard

Navigator.addIdleObserver() Requires FirefoxOS 1.0
Allows to add an observer to check when the user is idle.
Navigator.getDataStores() Requires FirefoxOS 1.0
Provides access to a list of the Data Store API data stores available on the device.
Navigator.getDeviceStorage() Requires FirefoxOS 1.0
Gives access to device storage areas.
Navigator.getDeviceStorages() Requires FirefoxOS 1.0
Gives access to all the device storage areas of the same type.
Navigator.getVRDevices()
Returns a promise that resolves to an array of objects representing any VR devices that are connected to the computer and compatible with the browser.
Navigator.mozHasPendingMessage() Requires FirefoxOS 1.0
Allows an app to know if there is a pending message of a given type.
Navigator.mozIsLocallyAvailable()
Lets code check to see if the document at a given URI is available without using the network.
Navigator.mozPay()
Allows in-app payment.
Navigator.mozSetMessageHandler() Requires FirefoxOS 1.0
Allows an app to register a function handler for any kind of system message.
Navigator.preference() Obsolete since Gecko 2.0
Sets a user preference. This method is only available to privileged code and is obsolete; you should use the XPCOM Preferences API instead.
Navigator.removeIdleObserver() Requires FirefoxOS 1.0
Allows to remove an observer used to check if the user is idle.
Navigator.requestWakeLock()
Request a wake lock for a resource. A wake lock prevents a specific part of a device from being turned off automatically.

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Last updated by: teoli,
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