<script type="text/javascript"> window.addEventListener("load",getVideoEvent); function getVideoEvent(){ var videoes=document.getElementsByTagName("video"); for (var i = 0; i < videoes.length; i++) { showEventLog("video"+(i+1),videoes[i]); } } function showEventLog(videoNum,Media){ eventTester = function(e){ Media.addEventListener(e,function(){ console.log(videoNum+":"+e); }); } eventTester("loadstart");    //客户端开始请求数据 eventTester("progress");    //客户端正在请求数据 eventTester("suspend");    //延迟下载 eventTester("abort");    //客户端主动终止下载（不是因为错误引起）， eventTester("error");    //请求数据时遇到错误 eventTester("stalled");    //网速失速 eventTester("play");    //play()和autoplay开始播放时触发 eventTester("pause");    //pause()触发 eventTester("loadedmetadata");    //成功获取资源长度 eventTester("loadeddata");    // eventTester("waiting");    //等待数据，并非错误 eventTester("playing");    //开始回放 eventTester("canplay");    //可以播放，但中途可能因为加载而暂停 eventTester("canplaythrough"); //可以播放，歌曲全部加载完毕 eventTester("seeking");    //寻找中 eventTester("seeked");    //寻找完毕 eventTester("timeupdate");    //播放时间改变 eventTester("ended");    //播放结束 eventTester("ratechange");    //播放速率改变 eventTester("durationchange");    //资源长度改变 eventTester("volumechange");    //音量改变 } </script>