重置
横排
竖排
/
mdn2
/
en-US
/
docs
/
Web
/
API
/
TextTrack
TextTrack
activeCues
addCue
cuechange_event
cues
id
inBandMetadataTrackDispatchType
kind
label
language
mode
removeCue
/
activeCues
addCue
cuechange_event
cues
id
inBandMetadataTrackDispatchType
kind
label
language
mode
removeCue