• 下面的源碼是這個(gè)當(dāng)天 9:30 ~ 10:30 的活動(dòng)展示的倒計(jì)時(shí)讀秒

var nowDate = $('#now_date1').val();//服務(wù)器當(dāng)前時(shí)間

//活動(dòng)倒計(jì)時(shí)
    this.countdown = function () {
        var djsdom = $('#countdown');
        if (djsdom.length > 0) {
            var start = new Date(nowDate);
            start.setHours(9, 30, 00);
            var end = new Date(nowDate);
            end.setHours(10, 30, 00);
            var f;
            var now = new Date(nowDate);
            f = setInterval(function () {
                if (now >= start && now <= end) {
                    now.setTime(now.getTime() + 1000);      //循環(huán)加1秒
                    var _times = end - now;
                    var _min = (parseInt(_times / 1000 / 60 % 60)).toString();
                    var _s = (parseInt(_times / 1000 % 60)).toString();
                    if (_min.length == 1) {
                        _min = '0' + _min;
                    }
                    if (_s.length == 1) {
                        _s = '0' + _s;
                    }
                    //console.log(_min + '\n' + _s);
                    djsdom.html('<div><span class="num">' + _min.substring(0, 1) + '</span><span class="num">' + _min.substring(1) + '</span><span class="num">' + _s.substring(0, 1) + '</span><span class="num">' + _s.substring(1) + '</span></div>');
                }
                else {
                    clearInterval(f);
                    djsdom.html('');
                }
            }, 1000);

        };
    };

效果圖

GIF3.gif