! function (t) {
    "use strict";
    t.fn.countUp = function (e) {
        var a = t.extend({
            time: 2e3,
            delay: 10
        }, e);
        return this.each(function () {
            var e = t(this),
                n = a,
                u = function () {
                    e.data("counterupTo") || e.data("counterupTo", e.text());
                    var t = parseInt(e.data("counter-time")) > 0 ? parseInt(e.data("counter-time")) : n.time,
                        a = parseInt(e.data("counter-delay")) > 0 ? parseInt(e.data("counter-delay")) : n.delay,
                        u = t / a,
                        r = e.data("counterupTo"),
                        o = [r],
                        c = /[0-9]+,[0-9]+/.test(r);
                    r = r.replace(/,/g, "");
                    for (var d = (/^[0-9]+$/.test(r), /^[0-9]+\.[0-9]+$/.test(r)), s = d ? (r.split(".")[1] || []).length : 0, i = u; i >= 1; i--) {
                        var p = parseInt(Math.round(r / u * i));
                        if (d && (p = parseFloat(r / u * i).toFixed(s)), c)
                            for (;
                                /(\d+)(\d{3})/.test(p.toString());) p = p.toString().replace(/(\d+)(\d{3})/, "$1,$2");
                        o.unshift(p)
                    }
                    e.data("counterup-nums", o), e.text("0");
                    var f = function () {
                        if (e.data('counterup-nums')) { //加个这个判断   修复 cannot read property 'shift' of null  bug
                            e.text(e.data("counterup-nums").shift());
                            e.data("counterup-nums").length ? setTimeout(e.data("counterup-func"), a) : (delete e.data("counterup-nums"), e.data("counterup-nums", null), e.data("counterup-func", null))
                        }
                        // 下面源代码
                        // e.text(e.data("counterup-nums").shift()), e.data("counterup-nums").length ? setTimeout(e.data("counterup-func"), a) : (delete e.data("counterup-nums"), e.data("counterup-nums", null), e.data("counterup-func", null))
                    };
                    e.data("counterup-func", f), setTimeout(e.data("counterup-func"), a);
                };
            // 源码 调用waypoint无线次执行数字动画
            // e.waypoint(u, {
            //     offset: "100%",
            //     triggerOnce: !0
            // });
            // 修改 只执行一次数字动画
            var scrollBool = true;
            $(window).on('scroll', function () {
                if ($(window).height() + $(document).scrollTop() >= e.offset().top && scrollBool) {
                    // console.log("first come!");
                    scrollBool = false;
                    u(); // 手动调用1次数字动画计数函数
                }
            }).trigger("scroll");
        })
    }
}(jQuery);