chromium/src/third_party/blink/web_tests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/track-element-dom-change.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <title>Simple DOM mutations with track element</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
 test(function() {
     var video = document.createElement("video");
     var testTrack = document.createElement("track");

     // Append the track element to the video element.
     video.appendChild(testTrack);

     // Set the mode of the text track to "showing".
     testTrack.track.mode = "showing";
 });
 </script>
	<!DOCTYPE html>
	<title>Simple DOM mutations with track element</title>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script>
	test(function() {
	var video = document.createElement("video");
	var testTrack = document.createElement("track");

	// Append the track element to the video element.
	video.appendChild(testTrack);

	// Set the mode of the text track to "showing".
	testTrack.track.mode = "showing";
	});
	</script>