js列表倒计时

function remainedTimeAct (cls){

            $(cls).each(function(){

                (function (that){

                    var diffTime = parseInt(that.text())*1000, //时间差，毫秒

                        // obj_time = {},

                        obj_time = ”,

                        d, h, m, s, clearT;

                    function soCount(){

                    var html = ‘距结束：’;

                        d = Math.floor(diffTime/1000/60/60/24);

                        h = Math.floor(diffTime/1000/60/60) % 24;

                        m = Math.floor(diffTime/1000/60) % 60;

                        s = Math.floor(diffTime/1000) % 60;

                        if(parseInt(d)>0){

                            html  += ‘<span class=”day”>’ + d + ‘天</span>’;

                        }

                        if(parseInt(h)>0){

                            html  += ‘<span class=”hour”>’ + (h.toString().length == 1 ? ‘0’ + h : h) + ‘小时</span>’;

                        }

                        if(parseInt(m)>0){

                            html  += ‘<span class=”minute”>’ + (m.toString().length == 1 ? ‘0’ + m : m) + ‘分</span>’;

                        }

                        if(parseInt(s)>0){

                            html  +='<span class=”second”>’ + (s.toString().length == 1 ? ‘0’ + s : s) + ‘秒</span>’;

                        }

                        that.html(html);

                        diffTime -= 1000;

                        clearT = setTimeout(soCount,1000);

                        if(diffTime < 0){

                            clearTimeout(clearT);

                            that.html(‘已结束’);

                        }

                    }

                    soCount();

                })($(this));

            });

        }

<div class=”diffTime” >

       306000  //间隔时间

 </div>

调用方法

remainedTimeAct(‘.diffTime’)