<html>
<body>
<video id="myVideo" width="320" height="240" controls onseeking="myFunction()" onseeked="myFunction()">
<source src="movie.mp4" type="video/mp4">
<source src="movie.ogg" type="video/ogg">
您的浏览器不支持 video 标签。
</source></source></video>
<p>尝试在视频中寻址: <span id="mySpan"></span></p>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myVideo");
document.getElementById("mySpan").innerHTML=("Seeking: " + x.seeking);
}
</script>
</body>
</html>