<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
window.onload=function(){
document.getElementById("too").playbackRate=10;
}
</script>
</head>
<body>
<video id="too" src="../img/pra.mp4" width="544" height="960" controls autoplay></video>
</body>
</html>
原文：https://www.cnblogs.com/fate-/p/14670533.html