Showing content from https://webplatform.github.io/docs/apis/audio-video/TextTrackCue below:
TextTrackCue · WebPlatform Docs
TextTrackCue Summary
A text track cue is the unit of time-sensitive data in a text track corresponding, for instance, for subtitles and captions to the text that appear at a particular time and disappear at another time.
Properties
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align
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A string representing the text track cue alignment, as follows. If it is start alignment: the string "start". If it is middle alignment: the string "middle". If it is end alignment: the string "end". If it is left alignment: the string "left". If it is right alignment: the string "right". Default is "middle".
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endTime
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The text track cue end time, in seconds.
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id
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Gets or sets a text track cue identifier.
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line
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The text track cue line position. In the case of the value being auto, the string “auto” is returned.
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pauseOnExit
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Returns the pause-on-exit flag on a TextTrackCue. When the flag is true, playback will pause when it reaches the cue’s endTime.
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position
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The text track cue text position.
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size
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The text track cue size.
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snapToLines
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Returns the text track cue snap-to-lines flag setting.
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startTime
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The text track cue start time, in seconds.
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text
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The text track cue text in raw, unparsed form.
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track
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Returns the TextTrack object to which this text track cue belongs, if any, or null otherwise.
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vertical
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A string representing the text track cue writing direction, as follows. If it is horizontal: The empty string. If it is vertical growing left: The string "rl". If it is vertical growing right: The string "lr".
Methods
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getCueAsHTML
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Returns the text track cue text as a DocumentFragment of HTML elements and other DOM nodes.
Events
No events.
Notes
Individual cues are returned from a TextTrackCueList object (collection of cues). Cues can also be created and added to a track.
Related specifications
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W3C HTML5 Specification
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W3C Editor’s Draft
Attributions
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