<span id="showtime"></span> <script language="javascript"> function show_date_time(){
window.setTimeout("show_date_time()", 1000);
BirthDay=new Date("01/01/2017 00:00:00");//这个日期是可以修改的
today=new Date();
timeold=(today.getTime()-BirthDay.getTime());
sectimeold=timeold/1000
secondsold=Math.floor(sectimeold);
msPerDay=24*60*60*1000
e_daysold=timeold/msPerDay
daysold=Math.floor(e_daysold);
e_hrsold=(e_daysold-daysold)*24;
hrsold=Math.floor(e_hrsold);
e_minsold=(e_hrsold-hrsold)*60;
minsold=Math.floor((e_hrsold-hrsold)*60);
seconds=Math.floor((e_minsold-minsold)*60);
showtime.innerHTML="您已经陪伴了我："+daysold+"天"+hrsold+"小时"+minsold+"分"+seconds+"秒"; } show_date_time(); </script>
