倒计时

  <script>
                    
                    var seckill = {
	                countdown:function(){//倒计时
                                var current=parseInt(new Date().getTime()/1000);
                                $('.center-second').each(function(){
                                     var end=parseInt($(this).attr('data-end'));
                                     if(current<end){
                                                var seconds=end-current;
                                                var day=Math.floor(seconds/86400);
                                                var hour=Math.floor(seconds%86400/3600);
                                                var minute=Math.floor(seconds%3600/60);
                                                var second=seconds%60;
                                                day > 0 ? day : day = 0;
                                                hour > 0 ? hour : hour = 0;
                                                minute > 0 ? minute : minute = 0;
                                                $(this).find('span[data-id="day"]').html(day);
                                                $(this).find('span[data-id="hour"]').html(hour);
                                                $(this).find('span[data-id="min"]').html(minute);
                                                $(this).find('span[data-id="sec"]').html(second);	
                                                $(this).data("end",--seconds); 
                                    }else{
                                        $(this).hide();
                                        $(this).prev().find('.action-pay').hide();
                                    }
                                })
                        }
                    }
                    $(function(){
	                  seckill.countdown();
	                  setInterval('seckill.countdown()', 1000);
                    })
            </script>