代码：
<html>
<head>
<title>
hello world
</title>
</head>
<body>
<script language="JavaScript">
function myrefresh()
{
window.location.reload();
}
setTimeout('myrefresh()',8000);
</script>
<div id="testloadimg">
</div>
<script type="text/javascript">
var arr = ["https://sy.ytecn.com/"];
function timedCount() {
var content = "";
for (var i = 0; i < arr.length; i++) {
content += "<img src=\""+arr[i]+"?r=" + Math.random() + "\" />";
}
document.getElementById("testloadimg").innerHTML = content;
setTimeout("timedCount()", 20000);
}
timedCount();
</script>
</body>
</html>在arr里面添加所需要刷新的网站。
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