抢购倒计时
<body> <div id="condown"> </div> </body> <script type="text/javascript"> function _fresh() { var endtime = new Date(2015,3,15,23,59,59); var nowtime = new Date(); var leftsecond = parseInt((endtime.getTime() - nowtime.getTime()) / 1000); __d = parseInt(leftsecond / 3600 / 24); __h = parseInt((leftsecond / 3600) % 24); __m = parseInt((leftsecond / 60) % 60); __s = parseInt(leftsecond % 60); document.getElementById('condown').innerHTML = __d + "天 " + __h + "小时" + __m + "分" + __s + "秒"; if (leftsecond <= 0) { document.getElementById('condown').innerHTML = "抢购已结束"; clearInterval(sh); } } _fresh(); var sh; sh = setInterval(_fresh, 1000); </script>