tryjsref_ontimeupdate_dom 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
    
<p>该实例中我们使用 HTML DOM 向 video 元素添加 "ontimeupdate" 事件。当用户开始播放视频，或者重新定位视频播放位置时，会执行显示当前播放位置的函数。</p>
<video id="myVideo" controls>
    <source src="/statics/demosource/mov_bbb.mp4" type="video/mp4">
    <source src="/statics/demosource/mov_bbb.ogg" type="video/ogg">
    您的浏览器不支持 HTML5 video。
</video>
<p>当前播放位置: <span id="demo"></span></p>
<script>
// 获取 id="myVideo" 的 video 元素
var x = document.getElementById("myVideo");
// 向 video 元素添加 ontimeupdate 事件，然后再当前播放位置发生改变时执行函数
x.ontimeupdate = function() {myFunction()};
function myFunction() {
    // 显示 id="demo" 的 p 元素中视频的当前播放位置
    document.getElementById("demo").innerHTML = x.currentTime;
}
</script>
</body>
</html>
 
 
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运行结果
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