getCueAsHTML method
Returns the TextTrackCue text (caption) as a document fragment consisting of HTML elements and other Document Object Model (DOM) nodes .
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Syntax
var oTextAsHTML = TextTrackCue.getCueAsHTML();Parameters
This method has no parameters.
Return value
Type: DocumentFragment
A document fragment that represents the TextTrackCue text.
Standards information
Remarks
The following example gets the list of cues from a track element, and uses the activeCues property to get the current cue. The getCueAsHTML method is used to display the caption in a div element below the video.
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.
Examples
The HTML nodes replace the span element that is the first child.
<script type="text/javascript">
document.addEventListener("DOMContentLoaded", function () { // don't run this until all DOM content is loaded
var track = document.getElementById("track1");
track.addEventListener("cuechange", function () {
var myTrack = this.track; // track element is "this"
var myCues = myTrack.activeCues; // activeCues is an array of current cues.
if (myCues.length > 0) {
var disp = document.getElementById("display");
disp.replaceChild((myCues[0].getCueAsHTML()), disp.firstChild);
}
}, false);
}, false);
</script>
</head>
<body>
<video id="video1" controls>
<source src="video.mp4" >
<track id='track1' label='English captions' src="entrack.vtt" kind='subtitles' srclang='en' default >
</video>
<div id="display">
<span></span>
</div>
See also
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