Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
onMSVideoFrameStepCompleted
is an event which occurs when the video frame has been stepped forward or backward one frame.
This proprietary property is specific to Internet Explorer and Microsoft Edge.