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.appCodeNameRead only- Returns the internal "code" name of the current browser. Do not rely on this property to return the correct value.
NavigatorID.appNameRead only- Returns a
DOMStringwith the official name of the browser. Do not rely on this property to return the correct value. NavigatorID.appVersionRead only- Returns the version of the browser as a
DOMString. Do not rely on this property to return the correct value. Navigator.batteryRead only- Returns a
BatteryManagerobject you can use to get information about the battery charging status. NetworkInformation.connectionRead only- Provides a
Connectionwith information about the network connection of a device. Navigator.geolocationRead only- Returns a
Geolocationobject allowing accessing the location of the device. NavigatorPlugins.javaEnabledRead only- Returns a
Booleanflag indicating whether the host browser is Java-enabled or not. NavigatorLanguage.languageRead only- Returns a
DOMStringrepresenting the preferred language of the user, usually the language of the browser UI. Thenullvalue is returned when this is unknown. NavigatorLanguage.languagesRead only- Returns an array of
DOMStringrepresenting the languages known to the user, by order of preference. NavigatorPlugins.mimeTypesRead only- Returns an
MimeTypeArraylisting the MIME types supported by the browser. NavigatorOnLine.onLineRead only- Returns a
Booleanindicating whether the browser is working online. Navigator.oscpu- Returns a string that represents the current operating system.
NavigatorID.platformRead only- Returns a string representing the platform of the browser. Do not rely on this function to return a significant value.
NavigatorPlugins.pluginsRead only- Returns a
PluginArraylisting the plugins installed in the browser. NavigatorID.productRead only- Always returns
'Gecko', on any browser. This property is kept only for compatibility purpose. NavigatorID.userAgentRead only- Returns the user agent string for the current browser.
Navigator.serviceWorkerRead only- Returns a
ServiceWorkerContainerobject, which provides access to registration, removal, upgrade, and communication with theServiceWorkerobjects 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
idobject which you can use to add support for BrowserID to your web site. navigator.mozAlarmsRequires FirefoxOS 1.0- Returns a
MozAlarmsManagerobject you can use to schedule notifications or applications to be started at a specific time. navigator.mozApps- Returns an
Appsobject you can use to install, manage, and control Open Web apps. navigator.mozAudioChannelManager- The
navigator.mozAudioChannelManagerobject provides access to themozAudioChannelManagerinterface, 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.mozCameraRequires FirefoxOS 1.0- Return a
CameraManagerobject you can use to access cameras available on your device. navigator.mozFMRadioRequires FirefoxOS 1.0- Return an
FMRadioobject you can use to access the device FM radio. navigator.mozMobileConnectionRequires FirefoxOS 1.0- Return a
MozMobileConnectionobject to retrieve the connection states of a mobile device and to perform some SIM/RUIM card actions. navigator.mozMobileMessageRequires FirefoxOS 1.1- Returns a
MozMobileMessageManagerobject you can use to manage MMS and SMS messaging in your web application. navigator.mozNetworkStatsRequires FirefoxOS 1.0- Returns a
MozNetworkStatsManagerobject you can use to access network data amount information. navigator.mozNfcRequires FirefoxOS 2.0- Returns a
MozNFCobject 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.mozNotificationDeprecated since Gecko 22
navigator.webkitNotification- Returns a
notificationobject you can use to deliver notifications to the user from your web application. navigator.mozPowerRequires FirefoxOS 1.0- Returns a
PowerManagerobject that allows to control the power usage and turn off unused peripherals to save power. navigator.mozSettingsRequires FirefoxOS 1.0- Returns a
SettingsManagerobject you can use to access the device's settings. navigator.mozSmsRequires FirefoxOS 1.0 Deprecated since Gecko 25- Returns a
MozSmsManagerobject you can use to manage SMS messaging in your web application. navigator.mozSocial- The Object, returned by the
navigator.mozSocialproperty, is available within the social media provider's panel to provide functionality it may need. navigator.mozTCPSocketRequires FirefoxOS 1.0- Returns a
TCPSocketobject that allows to open a raw TCP connection. navigator.mozTelephonyRequires FirefoxOS 1.0- Returns a
Telephonyobject you can use to create and manage telephone calls. navigator.mozWifiManagerRequires FirefoxOS 1.0- Returns a
WifiManagerobject 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
Promisefor 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.addIdleObserverRequires FirefoxOS 1.0- Allows to add an observer to check when the user is idle.
navigator.getDataStoresRequires FirefoxOS 1.0- Provides access to a list of the Data Store API data stores available on the device.
navigator.getDeviceStorageRequires FirefoxOS 1.0- Gives access to device storage areas.
navigator.getDeviceStoragesRequires FirefoxOS 1.0- Gives access to all the device storage areas of the same type.
navigator.mozHasPendingMessageRequires 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.mozSetMessageHandlerRequires FirefoxOS 1.0- Allows an app to register a function handler for any kind of system message.
navigator.preferenceObsolete 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.removeIdleObserverRequires 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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