js 距离某一时间点时间是多少实现代码

js 距离某一时间点时间是多少实现代码

var date1=new Date();  //开始时间<br><br>var date2=new Date();    //结束时间<br><br>var date3=date2.getTime()-date1.getTime()  //时间差的毫秒数<br><br>------------------------------<br><br>//计算出相差天数<br><br>var days=Math.floor(date3/(24*3600*1000))<br><br>//计算出小时数<br><br>var leave1=date3%(24*3600*1000)    //计算天数后剩余的毫秒数<br><br>var hours=Math.floor(leave1/(3600*1000))<br><br>//计算相差分钟数<br><br>var leave2=leave1%(3600*1000)    //计算小时数后剩余的毫秒数<br><br>var minutes=Math.floor(leave2/(60*1000))<br><br>//计算相差秒数<br><br>var leave3=leave2%(60*1000)    //计算分钟数后剩余的毫秒数<br><br>var seconds=Math.round(leave3/1000)<br><br>alert(" 相差 "+days+"天 "+hours+"小时 "+minutes+" 分钟"+seconds+" 秒")

<% function countdown(dtmwhenends) dtmnow = now() if dtmwhenends > dtmnow then intdiffsr = datediff("s", dtmnow, dtmwhenends) intdiffmr = intdiffsr \\ 60 intdiffhr = intdiffmr \\ 60 intdiffdr = intdiffhr \\ 24 intdiffsa = intdiffsr - (intdiffmr * 60) intdiffma = intdiffmr - (intdiffhr * 60) intdiffha = intdiffhr - (intdiffdr * 24) intdiffda = intdiffdr if intdiffda = 1 then strdays = "天" else strdays = "天" end if strtimeleft = strtimeleft & intdiffda & strdays if intdiffha = 1 then strhours = "小时" else strhours = "小时" end if strtimeleft = strtimeleft & intdiffha & strhours if intdiffma = 1 then strminutes = "分" else strminutes = "分" end if strtimeleft = strtimeleft & intdiffma & strminutes if intdiffsa = 1 then strseconds = "秒" else strseconds = "秒" end if strtimeleft = strtimeleft & intdiffsa & strseconds end if countdown = replace(strtimeleft,"-","") end function nnn=countdown("2008-8-24 12:23:34") response.write("消息发布于:"&nnn&"前") %>