function startTime() {
var today = new Date(); //定义日期对象
var yyyy = today.getFullYear(); //通过日期对象的getFullYear()方法返回年
var MM = today.getMonth() + ; //通过日期对象的getMonth()方法返回年
var dd = today.getDate(); //通过日期对象的getDate()方法返回年
var hh = today.getHours(); //通过日期对象的getHours方法返回小时
var mm = today.getMinutes(); //通过日期对象的getMinutes方法返回分钟
var ss = today.getSeconds(); //通过日期对象的getSeconds方法返回秒
// 如果分钟或小时的值小于10,则在其值前加0,比如如果时间是下午3点20分9秒的话,则显示15:20:09
MM = checkTime(MM);
dd = checkTime(dd);
mm = checkTime(mm);
ss = checkTime(ss);
var day; //用于保存星期(getDay()方法得到星期编号)
if (today.getDay() == ) day = "星期日 "
if (today.getDay() == ) day = "星期一 "
if (today.getDay() == ) day = "星期二 "
if (today.getDay() == ) day = "星期三 "
if (today.getDay() == ) day = "星期四 "
if (today.getDay() == ) day = "星期五 "
if (today.getDay() == ) day = "星期六 "
document.getElementById('nowDateTimeSpan').innerHTML = yyyy + "-" + MM + "-" + dd + " " + hh + ":" + mm + ":" + ss + " " + day;
setTimeout('startTime()', ); //每一秒中重新加载startTime()方法
} function checkTime(i) {
if (i < ) {
i = "" + i;
}
return i;
}

調用:                <strong> 當前時間:</strong>
                   <font color="white"><span id="nowDateTimeSpan"></span></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

05-11 03:39