Navigator.mediaDevices - Web API 接口参考 编辑

mediaDevices 是 Navigator 只读属性，返回一个 MediaDevices 对象，该对象可提供对相机和麦克风等媒体输入设备的连接访问，也包括屏幕共享。

语法

var mediaDevices = navigator.mediaDevices;

 返回值

MediaDevices 是一个单例对象。通常，您只需直接使用此对象的成员，例如通过调用navigator.mediaDevices.getUserMedia()。

特性

Specification	Status	Comment
Media Capture and Streams NavigatorUserMedia.mediaDevices	Candidate Recommendation	Initial definition.

浏览器兼容

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

Feature	Chrome	Edge	Firefox (Gecko)	Microsoft Edge	Internet Explorer	Opera	Safari (WebKit)
Basic support	51.0	(Yes)	36.0 (36.0)	(Yes)	(Yes)	未实现	未实现

Feature	Android	Android Webview	Edge	Firefox Mobile (Gecko)	Firefox OS	IE Mobile	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	未实现	未实现	(Yes)	36.0 (36.0)	36.0 (36.0)	未实现	未实现	未实现	未实现

参考阅读

• Media Capture and Streams API: The entry point to the documentation about the entire media stream API.
• WebRTC API: Documentation about the WebRTC API, which is closely related.