{ "title":"WebVTT - Web Video Text Tracks", "description":"Format for marking up text captions for multimedia resources.", "spec":"https://w3c.github.io/webvtt/", "status":"wd", "links":[ { "url":"http://www.html5rocks.com/en/tutorials/track/basics/", "title":"Getting Started With the Track Element" }, { "url":"https://dev.opera.com/articles/view/an-introduction-to-webvtt-and-track/", "title":"An Introduction to WebVTT and track" } ], "bugs":[ { "description":"In Firefox, captions are not visible for audio-only files in the `video` tag ([see bug](https://bugzilla.mozilla.org/show_bug.cgi?id=992664))." }, { "description":"Firefox 46 and below do not support the `textTrack.onCueChange()` event ([see details](http://stackoverflow.com/questions/28144668/html5-audio-texttrack-kind-subtitles-cuechange-event-not-working-in-firefox))." } ], "categories":[ "Other" ], "stats":{ "ie":{ "5.5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"y", "11":"y" }, "edge":{ "12":"y", "13":"y", "14":"y" }, "firefox":{ "2":"n", "3":"n", "3.5":"n", "3.6":"n", "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"n", "22":"n", "23":"n", "24":"n d", "25":"n d", "26":"n d", "27":"n d", "28":"n d", "29":"n d", "30":"n d", "31":"y #1", "32":"y #1", "33":"y #1", "34":"y #1", "35":"y #1", "36":"y #1", "37":"y #1", "38":"y #1", "39":"y #1", "40":"y #1", "41":"y #1", "42":"y #1", "43":"y #1", "44":"y #1", "45":"y #1", "46":"y #1", "47":"y #1", "48":"y #1", "49":"y #1", "50":"y #1", "51":"y #1", "52":"y #1", "53":"y #1" }, "chrome":{ "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y" }, "safari":{ "3.1":"n", "3.2":"n", "4":"n", "5":"n", "5.1":"n", "6":"y", "6.1":"y", "7":"y", "7.1":"y", "8":"y", "9":"y", "9.1":"y", "10":"y", "TP":"y" }, "opera":{ "9":"n", "9.5-9.6":"n", "10.0-10.1":"n", "10.5":"n", "10.6":"n", "11":"n", "11.1":"n", "11.5":"n", "11.6":"n", "12":"n", "12.1":"n", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y" }, "ios_saf":{ "3.2":"n", "4.0-4.1":"n", "4.2-4.3":"n", "5.0-5.1":"n", "6.0-6.1":"n", "7.0-7.1":"y", "8":"y", "8.1-8.4":"y", "9.0-9.2":"y", "9.3":"y", "10-10.1":"y" }, "op_mini":{ "all":"n" }, "android":{ "2.1":"n", "2.2":"n", "2.3":"n", "3":"n", "4":"n", "4.1":"n", "4.2-4.3":"n", "4.4":"y", "4.4.3-4.4.4":"y", "53":"y" }, "bb":{ "7":"n", "10":"y" }, "op_mob":{ "10":"n", "11":"n", "11.1":"n", "11.5":"n", "12":"n", "12.1":"n", "37":"y" }, "and_chr":{ "54":"y" }, "and_ff":{ "50":"y" }, "ie_mob":{ "10":"n", "11":"y" }, "and_uc":{ "11":"n" }, "samsung":{ "4":"y" } }, "notes":"WebVTT must be used with the element.", "notes_by_num":{ "1":"Firefox currently lacks support for the `::cue` pseudo-element. [See bug #865395.](https://bugzilla.mozilla.org/show_bug.cgi?id=865395)" }, "usage_perc_y":82.67, "usage_perc_a":0, "ucprefix":false, "parent":"video", "keywords":"captions,track,vtt,subtitles", "ie_id":"", "chrome_id":"6719115557339136", "firefox_id":"", "webkit_id":"", "shown":true }