javascript實現奧運倒計時代碼

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上載者:User
js實現奧運倒計時代碼
轉自: Js中國
http://javascriptxml.5d6d.com/thread-4-1-1.html  
  <div>
    <div class="Bjday" id="timeDate" width="60">
    </div>
    <div class="Bjtim" id="times">
    </div>
<SCRIPT>
  
          var now = new Date();
          function createtime(){
          
          var grt= new Date("8/08/2008 20:00:00");
          
          now.setTime(now.getTime()+250);
          days = (grt - now) / 1000 / 60 / 60 / 24;
          dnum = Math.floor(days);
          hours = (grt - now) / 1000 / 60 / 60 - (24 * dnum);
          hnum = Math.floor(hours);
          if(String(hnum).length ==1 ){hnum = "0" + hnum;}
          minutes = (grt - now) / 1000 /60 - (24 * 60 * dnum) - (60 * hnum);
          mnum = Math.floor(minutes);
          if(String(mnum).length ==1 ){mnum = "0" + mnum;}
          seconds = (grt - now) / 1000 - (24 * 60 * 60 * dnum) - (60 * 60 * hnum) - (60 * mnum);
          snum = Math.round(seconds);
          if(String(snum).length ==1 ){snum = "0" + snum;}
          
          document.getElementById("timeDate").innerHTML = dnum;
          document.getElementById("times").innerHTML = hnum + "<span style='margin:0 7px 0 7px'>:</span>"+ mnum + "<span style='margin:0 7px 0 7px'>:</span>"+ snum;
          }
          
          setInterval("createtime()",250);        
                  
</SCRIPT>
</DIV>

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