计算时间倒计时

来源：互联网发布：超星尔雅网络课程登录编辑：程序博客网时间：2024/05/18 06:21

<!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"><head>    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />    <title>无标题文档</title>    <script>        function GetDateDiff() {            var date1 = new Date();  //开始时间            var date2 = new Date("2012-12-31".replace(/-/g, "/"));    //结束时间            var date3 = date2.getTime() - date1.getTime();  //时间差的毫秒数            //计算出相差天数            var days = Math.floor(date3 / (24 * 3600 * 1000));            //计算出小时数            var leave1 = date3 % (24 * 3600 * 1000);                //计算天数后剩余的毫秒数            var hours = Math.floor(leave1 / (3600 * 1000));            //计算相差分钟数            var leave2 = leave1 % (3600 * 1000);        //计算小时数后剩余的毫秒数            var minutes = Math.floor(leave2 / (60 * 1000));            //计算相差秒数            var leave3 = leave2 % (60 * 1000);            //计算分钟数后剩余的毫秒数            var seconds = Math.round(leave3 / 1000);            document.getElementById("time").value = days + "天 " + hours + "小时 " + minutes + " 分钟" + seconds + " 秒";        }        setInterval("GetDateDiff()", 1000);    </script></head><body>    <input name="time" id="time" type="text" /></body></html>

参考：http://www.cnblogs.com/bravelh/archive/2011/04/13/2014417.html