TextTrackCueList object
TextTrackCueList represents a dynamically updating list of text track cues.
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Syntax
myCuesList = document.getElementById("trackElement").cues;
DOM Information
Inheritance Hierarchy
The TextTrackCueList does not inherit from any class or interface.Members
The TextTrackCueList object has these types of members:
Methods
The TextTrackCueList object has these methods.
| Method | Description |
|---|---|
| getCueById |
Returns the TextTrackCue (in cue order) for a specified id. |
| item |
Returns a track from a list that corresponds with the given index based on track order. |
Properties
The TextTrackCueList object has these properties.
| Property | Access type | Description |
|---|---|---|
|
Read-only |
Returns the number of tracks in TextTrackList, VideoTrackList, TextTrackCueList, or AudioTrackList objects. |
Standards information
Remarks
The following example gets the list of cues from a track element.
Note To create timed text files in both Web Video Text Track (WebVTT) and Timed Text Markup Language (TTML) formats, see HTML5 Video Caption Maker on the Windows Internet Explorer test drive site.
Note If you are developing locally or on an intranet and have rendering issues for HTML5, you can add a "meta http-equiv-'X-UA-Compatible' content= " meta command, followed by "IE=edge" to the <head> block of a webpage to force Internet Explorer to use the latest standards. For more information about document compatibility, see Defining Document Compatibility.
Examples
<!DOCTYPE html > <html > <head> <title>Get track example</title> </head> <body> <h1>Get track example</h1> <video id="video1" controls > <source src="http://ie.microsoft.com/testdrive/Videos/BehindIE9ModernWebStandards/Video.mp4"> <track id="entrack" label="English subtitles" kind="captions" src="entrack.vtt" srclang="en" default> </video> <p> <button id="mybutton">Show tracks</button> </p> <div style="display:block; overflow:auto; height:200px; width:650px;" id="display"></div> <script> document.getElementById("mybutton").addEventListener("click", function () { var myTrack = document.getElementById("entrack").track; // get text track from track element var myCues = myTrack.cues; // get list of cues for (var i = 0; i < myCues.length; i++) { // append track label document.getElementById("display").innerHTML += (myCues[i].getCueAsHTML().textContent + "<br/>"); } }, false); </script> </body> </html>
See also
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