JS案例：延时5秒关闭窗口
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>使用延时器示例</title>
<script type="text/javascript">
function closeWin() {
//延时关闭窗口
alert("5秒钟后将关闭窗口");
setTimeout("window.close()",5000);
}
</script>
</head>
<body>
<p><a href="javascript:closeWin()">关闭窗口</a></p>
</body>
</html>
