jquery简单倒计时

本文介绍一个很简单的倒计时js代码，你可以很轻松的应用到网站维护、团购网站或限时下载网站等等

淘建站为您提供更多_日期时间_倒计时_倒计时_时分秒，在此特别感谢您对我们的支持与厚爱！

HTML

<div class="time-item">
    <span id="day_show">0天</span>
    <strong id="hour_show">0时</strong>
    <strong id="minute_show">0分</strong>
    <strong id="second_show">0秒</strong>
</div>

jQuery

var intDiff = parseInt(60); //倒计时总秒数量
function timer(intDiff) {
    window.setInterval(function() {
        var day = 0,
        hour = 0,
        minute = 0,
        second = 0; //时间默认值		
        if (intDiff > 0) {
            day = Math.floor(intDiff / (60 * 60 * 24));
            hour = Math.floor(intDiff / (60 * 60)) - (day * 24);
            minute = Math.floor(intDiff / 60) - (day * 24 * 60) - (hour * 60);
            second = Math.floor(intDiff) - (day * 24 * 60 * 60) - (hour * 60 * 60) - (minute * 60);
        }
        if (minute <= 9) minute = '0' + minute;
        if (second <= 9) second = '0' + second;
        $('#day_show').html(day + "天");
        $('#hour_show').html('<s id="h"></s>' + hour + '时');
        $('#minute_show').html('<s></s>' + minute + '分');
        $('#second_show').html('<s></s>' + second + '秒');
        intDiff--;
    },
    1000);
}
$(function() {
    timer(intDiff);
});