<title>JS倒計時網頁自動跳轉代碼</title>   
<script language="JavaScript" type="text/javascript">
    function delayURL(url) {
        var delay = document.getElementById("time").innerHTML;
        if(delay > 0) {
            delay--;
            document.getElementById("time").innerHTML = delay;
        } else {
            window.top.location.href = url;
        }
       t = setTimeout("delayURL('" + url + "')", 1000);
    }

 

function stop1(){   
t && clearTimeout(t);
}
</script>
<span id="time" style="background: #00BFFF">1000</span>秒鐘后自動跳轉，如果不跳轉，請點擊下面的鏈接<a href="http://www.baidu.com">我的百度</a>
<input type="button" value="停止跳轉" onclick="stop1();">
<script type="text/javascript">
delayURL("http://www.baidu.com");
</script>