html运行实例（eg_html5_av_event_progress_addeventlistener）-搜寻教程库

代码示例：（标识：eg_html5_av_event_progress_addeventlistener）

<!DOCTYPE html> 
<html> 
<body> 

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

<script>
myVid=document.getElementById("video1");
myVid.addEventListener("progress", function()
  {
  alert("Downloading video");
  }
);
</script> 

</body> 
</html>