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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题</title>
</head>
<body>
<div id="close" style="font-size:30px;text-align:center;">
</div>
<script type="text/javascript">
var i = 3;
var _c = document.getElementById(‘close‘);
setInterval(function(){
if(i < 0){
window.opener=null;
window.open(‘‘,‘_self‘);
window.close();
}else{
_c.innerHTML = ‘页面即将关闭‘+i+‘秒！‘
i--;
}
},1000);
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/gubook/p/5951540.html
