<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>H5 Video禁止快进</title>
</head>
<body>
<div>
<video id="my-video" controls preload="meta" height="70%" width="100%" data-setup="{}">
<source src="5.mp4" type="video/mp4">
</video>
</div>
<script type="text/javascript">
var video = document.getElementById("my-video")
var last = 0
//当目前的播放位置已更改时
video.ontimeupdate = function () {
var current = video.currentTime
if(current - last > 2) {
video.currentTime = last
} else {
last = current
}
};
</script>
</body>
</html>
