javascript - Firefox video tag getVideoPlaybackQuality() is not a function -


according mdn documentation, getvideoplaybackquality() on htmlvideoelement available after version 25.0.

however, tried call on video element in firefox 38.1.0 , got getvideoplaybackquality not function error.

is api available firefox?

according firefox mse bug report,

firefox has whitelist limiting mse (to youtube, netflix, , dailymotion) while fix compatibility bugs. whitelist removed in firefox 42, making mse available websites.


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