tryhtml5_av_event_loadeddata 在线代码实例

 <video id="video1" controls="controls">
  <source src="/statics/demosource/mov_bbb.mp4" type="video/mp4">
  <source src="/statics/demosource/mov_bbb.ogg" type="video/ogg">
  Your browser does not support HTML5 video.
</video>

<script>
myVid=document.getElementById("video1");
myVid.onloadeddata=alert("Browser has loaded the current frame");
</script> 

<p>Video courtesy of <a href="http://www.bigbuckbunny.org/" target="_blank">Big Buck Bunny</a>.</p>