HTMLTrackElement
The HTMLTrackElement
Properties
Inherits properties from its parent, HTMLElement.
HTMLTrackElement.kind- Is a
DOMString that reflects the kind HTML attribute, indicating how the text track is meant to be used. Possible values are: subtitles, captions, descriptions, chapters, metadata. HTMLTrackElement.src- Is a
DOMString that reflects the src HTML attribute, indicating the address of the text track data. HTMLTrackElement.srclang- Is a
DOMString that reflects the srclang HTML attribute, indicating the language of the text track data. HTMLTrackElement.label- Is a
DOMString that reflects the label HTML attribute, indicating a user-readable title for the track. HTMLTrackElement.default- Is a
Boolean reflects the default HTML attribute, indicating that the track is to be enabled if the user's preferences do not indicate that another track would be more appropriate. -
HTMLTrackElement.readyState Read only
- Returns an
unsigned short that show the readiness state of the track:
NONE | 0 | Indicates that the text track's cues have not been obtained. |
LOADING | 1 | Indicates that the text track is loading and there have been no fatal errors encountered so far. Further cues might still be added to the track by the parser. |
LOADED | 2 | Indicates that the text track has been loaded with no fatal errors. |
ERROR | 3 | Indicates that the text track was enabled, but when the user agent attempted to obtain it, this failed in some way. Some or all of the cues are likely missing and will not be obtained. |
-
HTMLTrackElement.track Read only
- Returns
TextTrack is the track element's text track data.
track Read only
| TextTrack | The track element's text track data. |
Methods
No specific method; inherits methods from its parent, HTMLElement.
Specifications
|
Desktop |
|
Chrome |
Edge |
Firefox |
Internet Explorer |
Opera |
Safari |
| Basic support |
23 |
Yes |
31
- 31
- Prior to Firefox 50, text tracks would only load if the <track> element is in a document.
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
default |
23 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
kind |
23 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
label |
23 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
readyState |
23 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
src |
23 |
Yes |
31
- 31
- Setting the
src property did not work properly in versions prior to 50.
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
srclang |
23 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
track |
23 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
No |
12 |
Yes |
|
Mobile |
|
Android webview |
Chrome for Android |
Edge Mobile |
Firefox for Android |
Opera for Android |
iOS Safari |
Samsung Internet |
| Basic support |
Yes |
25 |
Yes |
31
- 31
- Prior to Firefox 50, text tracks would only load if the <track> element is in a document.
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
default |
Yes |
25 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
kind |
Yes |
25 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
label |
Yes |
25 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
readyState |
Yes |
25 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
src |
Yes |
25 |
Yes |
31
- 31
- Setting the
src property did not work properly in versions prior to 50.
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
srclang |
Yes |
25 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
track |
Yes |
25 |
Yes |
31
- 31
- 24 — 30
Disabled
- Disabled From version 24 until version 30 (exclusive): this feature is behind the
media.webvtt.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
|
12 |
Yes |
? |
See also
- The HTML element implementing this interface:
<track>.