Interface WebVttCue

Cue end time in seconds.

Optional cue identifier, the line that appears before the timing line.

The authored cue settings from the timing line (position/line/size/ align/vertical), when any were present. Preserved so a renderer can position the cue faithfully. Absent when the cue declared no settings.

Cue start time in seconds.

The cue text payload, with line breaks preserved as \n.