track-element-dom-change.html (499B)
1 <!DOCTYPE html> 2 <title>Simple DOM mutations with track element</title> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <script> 6 test(function() { 7 var video = document.createElement("video"); 8 var testTrack = document.createElement("track"); 9 10 // Append the track element to the video element. 11 video.appendChild(testTrack); 12 13 // Set the mode of the text track to "showing". 14 testTrack.track.mode = "showing"; 15 }); 16 </script>