Baseline Widely available
removeCue()
㯠TextTrack
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¡ã½ããã§ããã¥ã¼ã®ãªã¹ããããã¥ã¼ãåãé¤ãã¾ãã
undefined
ã§ãã
NotFoundError
DOMException
æå®ããããã¥ã¼ããã¥ã¼ã®ãªã¹ãã«è¦ã¤ãããªãã£ãå ´åã«çºçãã¾ãã
ã¡ã¢: TextTrackCue
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ã VTTCue
ãªã©ã®ä»ã®ãã¥ã¼ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®è¦ªã¯ã©ã¹ã¨ãã¦ä½¿ç¨ãããæ½è±¡çãªã¯ã©ã¹ã§ãããããã£ã¦ããã¥ã¼ã追å ããå ´å㯠TextTrackCue
ãç¶æ¿ãããã¥ã¼åã®ããããã使ç¨ãããã¨ã«ãªãã¾ãã
以ä¸ã®ä¾ã§ã¯ãaddCue()
ã使ç¨ãã¦åç»ã®ããã¹ããã©ãã¯ã«ãã¥ã¼ã追å ããremoveCue
ã使ç¨ãã¦ãã¥ã¼ãåé¤ãã¦ãã¾ãã
let video = document.querySelector("video");
let track = video.addTextTrack("captions", "Captions", "en");
track.mode = "showing";
let cue = new VTTCue(0, 0.9, "Hildy!");
track.addCue(cue);
track.removeCue(cue);
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