Navigator 接口表示用户代理的状态和标识。 它允许脚本查询它和注册自己进行一些活动。
可以使用只读的 window.navigator 属性检索导航器对象。
不从NavigatorID, NavigatorLanguage, NavigatorOnLine, NavigatorGeolocation, NavigatorPlugins, NavigatorUserMedia, 和 NetworkInformation 中继承任何属性,但是实现了定义在这些对象中的如下属性。
标准的
Navigator.activeVRDisplays只读- 筛选所有的
VRDisplay对象,把其中所有VRDisplay.ispresenting属性的值为true的对象以数组的形式返回。
NavigatorID.appCodeName只读- 返回当前浏览器的内部“开发代号”名称。 不能保证此属性返回的值是正确的。
NavigatorID.appName只读- 以
DOMString的形式返回浏览器官方名称。 不能保证此属性返回的值是正确的。 NavigatorID.appVersion只读- 以
DOMString的形式返回浏览器版本。不能保证此属性返回的值是正确的。 Navigator.battery只读- 返回一个
BatteryManager对象,你可以用它来获取一些电池充电状态的信息。 Navigator.connection只读- 提供一个
NetworkInformation对象来获取设备的网络连接信息。 NavigatorGeolocation.geolocation只读- Returns a
Geolocationobject allowing accessing the location of the device. NavigatorPlugins.javaEnabled只读- Returns a
Booleanflag indicating whether the host browser is Java-enabled or not. NavigatorLanguage.language只读- Returns a
DOMStringrepresenting the preferred language of the user, usually the language of the browser UI. Thenullvalue is returned when this is unknown. NavigatorLanguage.languages只读- Returns an array of
DOMStringrepresenting the languages known to the user, by order of preference. NavigatorPlugins.mimeTypes只读- Returns an
MimeTypeArraylisting the MIME types supported by the browser. NavigatorOnLine.onLine只读- Returns a
Booleanindicating whether the browser is working online. Navigator.oscpu- Returns a string that represents the current operating system.
NavigatorID.platform只读- Returns a string representing the platform of the browser. Do not rely on this function to return a significant value.
NavigatorPlugins.plugins只读- Returns a
PluginArraylisting the plugins installed in the browser. NavigatorID.product只读- Always returns
'Gecko', on any browser. This property is kept only for compatibility purpose. NavigatorID.userAgent只读- Returns the user agent string for the current browser.
Navigator.serviceWorker只读- 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.mozNotification已废弃 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 已废弃 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.
NavigatorID.taintEnabled()已废弃 Gecko 1.7.8 已废弃 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.preference已废弃 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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