JS时间对像
new Date(); 当前系统的时间对象
var oBody=document.body;
fnTime();
setInterval(fnTime,1000);
function fnTime(){
//myTime typeof object
var myTime=new Date();
//number
var iYear=myTime.getFullYear();//年
var iMonth=myTime.getMonth()+1;//月 正常的月必须加1+
var iDate=myTime.getDate();//日
var iWeek=myTime.getDay();//周
var iHours=myTime.getHours();//小时
var iMinutes=myTime.getMinutes();//分
var iSeconds=myTime.getSeconds();//秒
if(iWeek===0){
iWeek="星期日";
}else if(iWeek===1){
iWeek="星期一";
}else if(iWeek===2){
iWeek="星期二";
}else if(iWeek===3){
iWeek="星期三";
}else if(iWeek===4){
iWeek="星期四";
}else if(iWeek===5){
iWeek="星期五";
}else if(iWeek===6){
iWeek="星期六";
}
var str="";
str=iYear+"年"+iMonth+"月"+iDate+"日 "+" "+iWeek+toTwo(iHours)+":"+toTwo(iMinutes)+":"+toTwo(iSeconds);
oBody.innerHTML=str;
}
//小于10补零
function toTwo(n){
if(n<10){
return "0"+n;
}else{
return ""+n;
}
}

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