用js定时关闭页面的方法

 <script language="javascript" type="text/javascript">
    <!--
        function clock() {
            i = i - 1
            document.title = "本窗口将在" + i + "秒后自动关闭!"

            if (i > 0) setTimeout("clock();", 1000);
            else self.close();
        }
        var i = 5
        clock();
    //-->
</script>

转载于:https://www.cnblogs.com/QiuJL/archive/2011/08/08/4524299.html