NavigatorLanguage.language

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NavigatorLanguage.language read-only property returns a string representing the preferred language of the user, usually the language of the browser UI.

句法

const lang = navigator.language

值

A DOMString . lang stores a string representing the language version as defined in BCP 47 . Examples of valid language codes include "en", "en-US", "fr", "fr-FR", "es-ES", etc.

Note that in Safari on iOS prior to 10.2, the country code returned is lowercase: "en-us", "fr-fr" etc.

范例

if (/^en\b/.test(navigator.language)) {
  doLangSelect(window.navigator.language);
}

规范

规范	状态	注释
HTML 实时标准 The definition of 'NavigatorLanguage: language' in that specification.	实时标准	初始定义

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`语言`	Chrome 1 1 Returns the browser UI language, not the value of the `Accept-Language` HTTP header .	Edge 12 12 In Chromium versions of Edge, this returns the browser UI language, not the value of the `Accept-Language` HTTP header .	Firefox 1 1 Prior to Firefox 4, this property's value was also part of the user agent string, as reported by `navigator.userAgent` . Starting in Firefox 5, this property's value is based on the value of the `Accept-Language` HTTP header .	IE 11 11 Closest available (non-standard) properties are `userLanguage` and `browserLanguage` .	Opera 4	Safari 1	WebView Android 1 1 Returns the browser UI language, not the value of the `Accept-Language` HTTP header .	Chrome Android 18 18 Returns the browser UI language, not the value of the `Accept-Language` HTTP header .	Firefox Android 4	Opera Android 10.1	Safari iOS 1	Samsung Internet Android 1.0 1.0 Returns the browser UI language, not the value of the `Accept-Language` HTTP header .

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句法

值

范例

规范

浏览器兼容性

图例

另请参阅

元数据

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