| <!DOCTYPE html> |
| <title>TextTrack "id" attribute</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <video> |
| <track id="LoremIpsum" src="resources/captions-fast.vtt" default> |
| <script> |
| test(function() { |
| var video = document.querySelector("video"); |
| var track = document.querySelector("track"); |
| var textTrack = track.track; |
| |
| // Test default attribute value. |
| assert_equals(textTrack.id, "LoremIpsum"); |
| assert_equals(video.textTracks[0].id, "LoremIpsum"); |
| |
| // Make sure we can look up tracks by id. |
| assert_equals(video.textTracks.getTrackById("LoremIpsum"), textTrack); |
| |
| // Test that it's readonly. |
| textTrack.id = "newvalue"; |
| assert_equals(textTrack.id, "LoremIpsum"); |
| }); |
| </script> |
| </video> |
