VTTRegion scroll WebVTT parser line WebVTT: The Web Video Text Tracks Format viewportAnchorX W3C 制定的字幕格式 getCueAsHTML W3C standard https://w3c.github.io/webvtt/#the-vttcue-interface WebVTT parser WebVTT: The Web Video Text Tracks Format https://w3c.github.io/webvtt/ WebVTT AutoKeyword viewportAnchorY WebVTT file using cue text WebVTT regionAnchorX Nightly Draft vertical WebVTT: The Web Video Text Tracks Format the VTT spec キューテキストを用いるWebVTTファイル https://w3c.github.io/webvtt/#the-vttcue-interface WebVTT: The Web Video Text Tracks Format VTTRegion regionAnchorY regionAnchorY DirectionSetting WebVTT WebVTT file Editor's Draft lineAlign VTT https://w3c.github.io/webvtt/ W3C 制定的字幕格式 Editor's Draft rules for updating the display of WebVTT text tracks WebVTTファイル WebVTTファイル Nightly Draft region size lines https://w3c.github.io/webvtt/#the-vttcue-interface ネストされたキューのみを用いるWebVTTファイル https://w3c.github.io/webvtt/#the-vttcue-interface Nightly Draft line https://w3c.github.io/webvtt/#the-vttcue-interface Nightly Draft VTTRegion line AlignSetting WebVTT: The Web Video Text Tracks Format width WebVTT Nightly Draft AutoKeyword lines VTTRegion snapToLines https://w3c.github.io/webvtt/#the-vttcue-interface VTTCue snapToLines VTTRegion VTTRegion regionAnchorX VTTRegion viewportAnchorY scroll https://w3c.github.io/webvtt/#the-vttcue-interface https://w3c.github.io/webvtt/ text https://w3c.github.io/webvtt WebVTT https://w3c.github.io/webvtt/ Draft Community Group Report WebVTT W3C 制定的字幕格式 latest spec w3c WebVTT spec https://w3c.github.io/webvtt/ rules for updating the display of WebVTT text tracks WebVTTテキストトラックの表示を更新するための規則 VTTCue WebVTT Nightly Draft getCueAsHTML WebVTT: The Web Video Text Tracks Format text track cue writing direction Constructor WebVTT file latest spec WebVTT file using only nested cues VTTCue w3c WebVTT spec WebVTT Constructor WebVTT VTTRegion WebVTT PositionAlignSetting WebVTT is a standardized caption file format LineAlignSetting size ScrollSetting positionAlign AlignSetting AutoKeyword Nightly Draft ScrollSetting region positionAlign Nightly Draft AutoKeyword regionAnchorY Nightly Draft W3C 制定的字幕格式 position scroll LineAlignSetting rules for updating the display of WebVTT text tracks Nightly Draft lineAlign snapToLines WebVTT text size lines WebVTT align region Constructor lineAlign text track cue writing direction viewportAnchorX DirectionSetting WebVTT: The Web Video Text Tracks Format PositionAlignSetting VTTRegion width Web Video Text Tracks or WebVTT the VTT spec Nightly Draft WebVTT: The Web Video Text Tracks Format Constructor W3C standard vertical WebVTT (Web Video Text Tracks) AutoKeyword align width the VTT spec VTT format WebVTTフォーマット WebVTT https://w3c.github.io/webvtt/#the-vttcue-interface AlignSetting WebVTT file using cue text PositionAlignSetting テキストトラックキュー書き込み方向 W3C standard WebVTTテキストトラックの表示を更新するための規則 draft W3C WebVTT spec LineAlignSetting rules for updating the display of WebVTT text tracks VTTRegion position Nightly Draft ScrollSetting WebVTT: The Web Video Text Tracks Format getCueAsHTML Nightly Draft Nightly Draft viewportAnchorX positionAlign text track cue writing direction WebVTT: The Web Video Text Tracks Format Editor's Draft Constructor Nightly Draft Nightly Draft WebVTTパーサー vertical https://w3c.github.io/webvtt/#other-features Editor's Draft WebVTT file using only nested cues position rules for updating the display of WebVTT text tracks Web Video Text Tracks or WebVTT Constructor WebVTTファイル Spezifikation des W3C WebVTT file using cue text VTTCue AutoKeyword WebVTT WebVTT parser WebVTT viewportAnchorY WebVTT align More info. regionAnchorX WebVTT WebVTT WebVTT: The Web Video Text Tracks Format DirectionSetting WebVTT WebVTT text VTTRegion