video-before-load.html - Android社区 - https://www.androidos.net.cn/

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script src="resources/print.js"></script>
</head>
<body>
<div id="console"></div>
<script>
if (window.layoutTestController) {
    layoutTestController.dumpAsText();
    layoutTestController.waitUntilDone();
}
</script>

<video src="../../../media/content/test.mp4" onbeforeload="print('PASS', 'green'); if (window.layoutTestController) window.layoutTestController.notifyDone(); return false;" onload="print('FAIL', 'red'); if (window.layoutTestController) window.layoutTestController.notifyDone();"></video>

</body>
</html>