​x
 
<!DOCTYPE html>
<html>
<body>
​
<p>调用 onmessage 事件的文档的 URL：</p>
​
<div id="myDIV"></div>
​
<p><b>注释：</b>Internet Explorer 不支持 Server-Sent 事件。</p>
​
<script>
if(typeof(EventSource) !== "undefined") {
  var source = new EventSource("/html/demo_sse.php");
  source.onmessage = function(event) {
    document.getElementById("myDIV").innerHTML = event.origin;
  };
} else {
  document.getElementById("myDIV").innerHTML = "Sorry, your browser does not support server-sent events...";
}
</script>
​
</body>
</html>
​