<html>
<head>
<title>浏览器对象</title>
</head>
<body>
<h2>操作成功</h2>
<input type="text" id="xianshi" style="border:0"/> <a href="#">返回</a>
<script type="text/javascript">
var num=5;
function sec(){
var jishi=num+"秒后回到主页";
document.getElementById("xianshi").value=jishi;
num=num-1;
var i=setTimeout("sec()",1000);
if(num==-1){clearTimeout(i);window.open("https://www.baidu.com/")};
}
sec();
j.style.color="red";
</script>
</body>
</html>
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