HTML <track> tag
Examples
With two subtitle tracks Video:
<video width="320" height="240" controls>
<source src="forrest_gump.mp4" type="video/mp4">
<source src="forrest_gump.ogg" type="video/ogg">
<track src="subtitles_en.vtt" kind="subtitles" srclang="en"
label="English">
<track src="subtitles_no.vtt" kind="subtitles" srclang="no"
label="Norwegian">
</video>
<source src="forrest_gump.mp4" type="video/mp4">
<source src="forrest_gump.ogg" type="video/ogg">
<track src="subtitles_en.vtt" kind="subtitles" srclang="en"
label="English">
<track src="subtitles_no.vtt" kind="subtitles" srclang="no"
label="Norwegian">
</video>
Browser Support
IE 10, Opera and Chrome browsers support <track> tag.
Tag definitions and instructions
<Track> tag for the media element (such as <audio> and <video>) specified external text track.
This element is used to specify the subtitle files or other files that contain text, and when the media player, these files are visible.
Differences between HTML 4.01 and HTML5
<Track> tag is new in HTML5 tags.
Optional attributes
New: HTML5 new property.
| 属性 | 值 | 描述 |
|---|---|---|
| default New | default | 规定该轨道是默认的。如果用户没有选择任何轨道，则使用默认轨道。 |
| kind New | captions chapters descriptions metadata subtitles |
规定文本轨道的文本类型。 |
| label New | text | 规定文本轨道的标签和标题。 |
| src New | URL | 必需的。规定轨道文件的 URL。 |
| srclang New | language_code | 规定轨道文本数据的语言。如果 kind 属性值是 "subtitles"，则该属性是必需的。 |
Global Properties
<track> tag supports HTML global properties .
Event Properties
<track> tag supports HTML event properties .