HTML5 EventSource的用法

DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>title>
head>
<body>
<h1>获取服务端更新数据h1>
<div id="result">div>

<script type="text/javascript">
    if (typeof (EventSource) !== "undefined") {
        var source = new EventSource("data.aspx");
        source.onmessage = function (event) {
           
            document.getElementById("result").innerHTML += event.data + "
"; }; source.onerror = function (event) { console.log("error"+event); } source.onopen = function () { console.log('开始连接'); } } else { document.getElementById("result").innerHTML = "抱歉,你的浏览器不支持 server-sent 事件..."; } script> body> html>

 

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