frameRate property is a double-precision floating-point
number indicating the frame rate, in frames per second, of the
MediaStreamTrack as currently configured. This lets you determine what
value was selected to comply with your specified constraints for this property's value
as described in the
MediaTrackConstraints.frameRate property you provided
when calling either
If needed, you can determine whether or not this constraint is supported by checking
the value of
MediaTrackSupportedConstraints.frameRate as returned by a
MediaDevices.getSupportedConstraints(). However, typically this
is unnecessary since browsers will ignore any constraints they're unfamiliar with.
A double-precision floating-point number indicating the current configuration of the track's frame rate, in frames per second.
See the Constraint exerciser example.
|Media Capture and Streams |
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