Draft
This page is not complete.
This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.
The length read-only property of the TrackDefaultList interface returns the number of TrackDefault objects in the list.
var myListLength = TrackDefaultList.length;
An unsigned long number.
TBD
| Specification | Status | Comment |
|---|---|---|
| Media Source Extensions The definition of 'length' in that specification. | Candidate Recommendation | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | ? | Not supported | ? | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | ? | Not supported | Not supported | ? | ? | Not supported |
© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/TrackDefaultList/length