计算两个日期之间的时间跨度 - Countdown.js

     <div class="PostContent">     <p><a href="/misc/goto?guid=4958201420103953423" target="_blank"><strong>Countdown.js</strong></a> 是一个JavaScript library用于计算和展示两个日期之间的时间跨度。</p>     <p>它能够提供多种格式的时间跨度如：milliseconds, seconds, minutes, hours, days, weeks,甚至是millennias。</p>     <p><a href="/misc/goto?guid=4958201420103953423" target="_blank"><img title="Countdown.js" border="0" alt="Countdown.js" src="https://simg.open-open.com/show/3b741275f282496bfd50111b4589c25f.gif" width="480" height="224" /></a></p>     <p>它还提供一些方法来展示用户易读的语句如："3 years, 6 months, 21 days, 10 hours, 和 32 minutes".</p>     <p>倒计时可以轻松复位并且有开始和结束的回调。</p>    </div>    <div class="PostMeta">     <strong>项目地址:</strong>     <a href="/misc/goto?guid=4958201420103953423" target="_blank">http://countdownjs.org/</a>     <br />     <strong>示例地址:</strong>     <a href="/misc/goto?guid=4958201422199655645" target="_blank">http://countdownjs.org/demo.html</a>     <br />    </div>