Videotrack.language

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只读 VideoTrack property 语言 returns a string identifying the language used in the video track. For tracks that include multiple languages (such as a movie in English in which a few lines are spoken in other languages), this should be the video's primary language.

句法

var videoTrackLanguage = VideoTrack.language;

值

A DOMString specifying the BCP 47 ( RFC 5646 ) format language tag of the primary language used in the video track, or an empty string ( "" ) if the language is not specified or known, or if the track doesn't contain speech.

For example, if the primary language used in the track is United States English, this value would be "en-US" . For Brazilian Portuguese, the value would be "pt-BR" .

规范

规范	状态	注释
HTML 实时标准 The definition of 'VideoTrack: language' in that specification.	实时标准

浏览器兼容性

The compatibility table in 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 45 Disabled 45 Disabled Disabled From version 45: this feature is behind the `enable-experimental-web-platform-features` preference (needs to be set to `enabled` ). To change preferences in Chrome, visit chrome://flags.	Edge 79 Disabled 79 Disabled Disabled From version 79: this feature is behind the `enable-experimental-web-platform-features` preference (needs to be set to `enabled` ). 不支持 12 — 79	Firefox 33	IE 10	Opera 32 Disabled 32 Disabled Disabled From version 32: this feature is behind the `enable-experimental-web-platform-features` preference (needs to be set to `enabled` ).	Safari 6.1	WebView Android 45	Chrome Android 45 Disabled 45 Disabled Disabled From version 45: this feature is behind the `enable-experimental-web-platform-features` preference (needs to be set to `enabled` ). To change preferences in Chrome, visit chrome://flags.	Firefox Android 33	Opera Android 32 Disabled 32 Disabled Disabled From version 32: this feature is behind the `enable-experimental-web-platform-features` preference (needs to be set to `enabled` ).	Safari iOS 7	Samsung Internet Android No

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完整支持
不支持
用户必须明确启用此特征。

元数据

最后修改： Mar 18, 2019

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