网页实时倒计时，精确到秒级，和天数倒计时原理一样。
一个很好用的js倒计时！网页实时倒计时，精确到秒级，和天数倒计时原理一样。
js倒计时一般用于商城网站团购，特卖，很多地方都可用到！希望能够给大家带来帮助！<!DOCTYPE html>
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style type="text/css"> .leave_time_font{margin-left:35%;} #fo{margin-left:32%;} </style> <title>js网页倒计时，www.jbxue.com</title> </head> <body> <h1>WoYaoNi.CN </h1> <script src="./jquery.js"></script> <script type="text/javascript"> $(document).ready(function(e) { var _countSeconds = 0; function _countDown(){ _countSeconds ++; $('input.surplustime').each(function(index, element) { var $this = $(this); www.jbxue.comvar _totalTime = Number($this.val()) - _countSeconds; var _day = parseInt(_totalTime/86400); var _hours = parseInt(_totalTime%86400/3600); var _minutes = parseInt(_totalTime%86400%3600/60); var _seconds = parseInt(_totalTime%86400%3600%60); var _strLite = '<span class="day">'+_day+'</span>天<span class="hour">'+_hours+'</span>小时<span class="minutes">'+_minutes+'</span>分<span class="seconds">'+_seconds+'</span>秒'; var _str = '倒计时：'+_strLite; if($this.next('p.daojishi').length > 0){ $this.next('p.daojishi').html(_str); }else if($this.next('p.leave_time_font').length > 0){ $this.next('p.leave_time_font').html(_strLite); } }); } setInterval(_countDown, 1000); }) </script> </head> <body> <?php ini_set('date.timezone','Asia/Shanghai'); $currenttime = time(); $a = strtotime('2014-2-14 00:00'); $b = $a-$currenttime; ?><div id="djs">
<div id="fo">小伙伴们距离情人节只剩：</div> <input type="hidden" name="surplustime" class="surplustime" value="<?php echo $b; ?>" /> <p class="leave_time_font"><span class="day">0</span>天<span class="hour">0</span>小时<span class="minutes">0</span>分<span class="seconds">0</span>秒</p> </div> </body> </html>