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我真的需要一些帮助！我的代码与教程非常接近，并且格式完美，但我从 2009 年 4 月 9 日开始计算，大约是 1425 天或 3 年 10 个月 23 天，我真的需要一些帮助，将附加的代码重写为'年/月/日'并删除分钟和秒

任何帮助将不胜感激！

 (function($){

// Number of seconds in every time division
var days    = 24*60*60,
    hours   = 60*60,
    minutes = 60;

// Creating the plugin
$.fn.countup = function(prop){

    var options = $.extend({
        callback    : function(){},
        start       : new Date()
    },prop);

    var passed = 0, d, h, m, s, 
        positions;

    // Initialize the plugin
    init(this, options);

    positions = this.find('.position');

    (function tick(){

        passed = Math.floor((new Date() - options.start) / 1000);

        // Number of days passed
        d = Math.floor(passed / days);
        updateDuo(0, 1, d);
        passed -= d*days;

        // Number of hours left
        h = Math.floor(passed / hours);
        updateDuo(2, 3, h);
        passed -= h*hours;

        // Number of minutes left
        m = Math.floor(passed / minutes);
        updateDuo(4, 5, m);
        passed -= m*minutes;

        // Number of seconds left
        s = passed;
        updateDuo(6, 7, s);

        // Calling an optional user supplied callback
        options.callback(d, h, m, s);

        // Scheduling another call of this function in 1s
        setTimeout(tick, 1000);
    })();

    // This function updates two digit positions at once
    function updateDuo(minor,major,value){
        switchDigit(positions.eq(minor),Math.floor(value/10)%10);
        switchDigit(positions.eq(major),value%10);
    }

    return this;
};


function init(elem, options){
    elem.addClass('countdownHolder');

    // Creating the markup inside the container
    $.each(['Days','Hours','Minutes','Seconds'],function(i){
        $('<span class="count'+this+'">').html(
            '<span class="position">\
                <span class="digit static">0</span>\
            </span>\
            <span class="position">\
                <span class="digit static">0</span>\
            </span>'
        ).appendTo(elem);

        if(this!="Seconds"){
            elem.append('<span class="countDiv countDiv'+i+'"></span>');
        }
    });

}

// Creates an animated transition between the two numbers
function switchDigit(position,number){

    var digit = position.find('.digit')

    if(digit.is(':animated')){
        return false;
    }

    if(position.data('digit') == number){
        // We are already showing this number
        return false;
    }

    position.data('digit', number);

    var replacement = $('<span>',{
        'class':'digit',
        css:{
            top:'-2.1em',
            opacity:0
        },
        html:number
    });

    // The .static class is added when the animation
    // completes. This makes it run smoother.

    digit
        .before(replacement)
        .removeClass('static')
        .animate({top:'2.5em',opacity:0},'fast',function(){
            digit.remove();
        })

    replacement
        .delay(100)
        .animate({top:0,opacity:1},'fast',function(){
            replacement.addClass('static');
        });
}

})(jQuery);

$(function(){

$('#countdown').countup({
start: new Date(2009, 04, 09, 15, 58, 21) //year, month, day, hour, min, sec

});

});

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