ajax 页面不刷新每隔一段时间执行一次的网页的代码
<html>
<head>
<title>每隔几秒执行一次网页</title>
<script type="text/javascript">
//<![CDATA[
function mission() {
var x = new ActiveXObject("Msxml2.XMLHTTP.3.0");
x.open("get","shuaxin.asp"+Math.random().toFixed(4),false); //执行shuaxin.asp页面，修改为自己要调用的页面
x.send();
var demo = document.getElementById("demo");
var now = demo.innerHTML = x.responseText;
_x = window.setTimeout(mission,1000); //1000毫秒执行一次
}
onload = mission;
//]]>
</script>
</head>
<body>
<div id="demo"></div>
</body>
</html>
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