js实现页面自动读秒跳转的学习记录

<!-- 代码片段A -->
<!-- 倒计时跳转 -->
<!DOCTYPE HTML>
<HTML>
<HEAD>
<meta charset="utf-8"/>
<meta http-equiv='refresh' content='10;url=login.jsp'>
<script type='text/javascript'>
    var i = 10;
    function getTime() {
        document.getElementById('num').innerHTML = "<font color='red'>" + i
                + "</font>";
        i -= 1;
        var x = setTimeout('getTime()', 1000)
        if (i <= 0) {
            clearTimeout(x);
        }
    }
    window.onload = getTime;
</script>
<TITLE>登录失败页!</TITLE>
</HEAD>
<BODY>
    <div align="center">
    <h2>登录失败!</h2>
    <h2>
        注意!页面将在<div id='num' style='display=inline;'>10</div>秒后跳转
    </h2>
    </div>
</BODY>
</HTML>

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转载自blog.csdn.net/weixin_37770023/article/details/80358881
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