This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
interface was part of the
Media Capture and Streams API
, representing a stream of data being generated locally (such as by
now returns a
instead, and this interface has been removed from the specification.
This interface is no longer available in any mainstream browser.
Do not use
; you need to update any code that does use it as soon as possible or your content or application will stop working. See
Stopping a video stream
to learn how.
All other functionality is found in
The primary reason for this interface to exist was to add a
method to its
parent interface. However, control over playback of media has been moved to the individual
objects, so this is no longer necessary. Instead, media is stopped by calling
on each track that needs to be stopped. The example for
demonstrates how to stop a multi-track stream, which is what
used to be used for.
LocalMediaStream。见 Stopping a video stream in MediaStreamTrack to learn how to stop an entire stream.
Not part of any specification. This interface was previously part of 媒体捕获和流 but was removed in 2013.
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Navigator.getUserMedia(), the old, callback-based version of