<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0px;
padding: 0px;
}
video {
position: fixed;
left: 0;
top: 0;
min- 100%;
min-height: 100%;
z-index: -1
/*加滤镜*/
/* 背景模糊设置 */
/* filter: blur(15px); */
/*-webkit-filter: grayscale(100%);*/
/* 背景灰度设置 */
/*filter:grayscale(100%); */
}
</style>
</head>
<body>
<video id="v1" autoplay loop muted src="./hzw.mp4" type="video/mp4"></video>
<h1>1</h1>
<h1>2</h1>
<script>
// 视频播放速度
let video = document.getElementById('v1');
video.playbackRate = 1;
</script>
</body>
</html>