x
 
<!DOCTYPE html>
<html>
<body>
<h1>获得服务器更新</h1>
<div id="result"></div>
<script>
if(typeof(EventSource)!=="undefined")
  {
  var source=new EventSource("/example/html5/demo_sse.php");
  source.onmessage=function(event)
    {
    document.getElementById("result").innerHTML+=event.data + "<br />";
    };
  }
else
  {
  document.getElementById("result").innerHTML="抱歉,您的浏览器不支持 server-sent 事件 ...";
  }
</script>
</body>
</html>