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十八天

倒计时

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
    <title>网页标题</title>
    <meta name="keywords" content="关键字列表" />
    <meta name="description" content="网页描述" />
    <link rel="stylesheet" type="text/css" href="" />
    <style type="text/css"></style>
    <script type="text/javascript">
        window.onload=init;
        var i=60;
        function init(){
        if(i<=-1){
            i=0;
            alert(时间到请停止作答);
            return false;
            
        }
            var daoObj=document.getElementById(dao);
                daoObj.value=倒计时+i+;
                
        
            window.setTimeout(init(),1000);
            i--;
            
        }
    </script>
</head>
<body>
    <input id=‘dao‘ type=‘botton‘ value=‘倒计时0秒‘>
</body>
</html>

 

十八天