js日期倒计时效果
<!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=utf-8" /> <title>倒计时</title> <link rel="stylesheet" href="style.css" /> </head> <body> <div class="time">还剩 <span id="LeftTime"></span></div> <script> function FreshTime() { var endtime = new Date("2017/9/30,18:05:00"); //结束时间 var nowtime = new Date(); //当前时间 var lefttime = parseInt((endtime.getTime() - nowtime.getTime()) / 1000); d = parseInt(lefttime / 3600 / 24); h = parseInt((lefttime / 3600) % 24); m = parseInt((lefttime / 60) % 60); s = parseInt(lefttime % 60); document.getElementById("LeftTime").innerHTML = d + "天" + h + "小时" + m + "分" + s + "秒"; } FreshTime() var sh; sh = setInterval(FreshTime, 1000); </script> </body> </html>