複製代碼代碼如下:
function startTime() {
var today = new Date(); //定義日期對象
var yyyy = today.getFullYear(); //透過日期物件的getFullYear()方法傳回年
var MM = today.getMonth() + 1; //透過日期物件的getMonth()方法傳回年
var dd = today.getDate(); //透過日期物件的getDate()方法傳回年
var hh = today.getHours(); //透過日期物件的getHours方法傳回小時
var mm = today.getMinutes(); //透過日期物件的getMinutes方法傳回分鐘
var ss = today.getSeconds(); //透過日期物件的getSeconds方法傳回秒
// 如果分鐘或小時的值小於10,則在其值前加0,例如如果時間是下午3點20分9秒的話,則顯示15:20:09
MM = checkTime(MM);
dd = checkTime(dd);
mm = checkTime(mm);
ss = checkTime(ss);
var day; //用來保存星期(getDay()方法得到星期編號)
if (today.getDay() == 0) day = "星期日"
if (today.getDay() == 1) day = "星期一"
if (today.getDay() == 2) day = "星期二"
if (today.getDay() == 3) day = "星期三"
if (today.getDay() == 4) day = "星期四"
if (today.getDay() == 5) day = "星期五"
if (today.getDay() == 6) day = "星期六"
document.getElementById('nowDateTimeSpan').innerHTML = yyyy + "-" + MM + "-" + dd + " " + hh + ":" + mm + ":" + ss + " " + day;
setTimeout('startTime()', 1000); //每一秒重新載入startTime()方法
}
function checkTime(i) {
if (i < 10) {
i = "0" + i;
}
return i;
}
呼叫: <strong> 當前時間:</strong>
<font color="white"><span id="nowDateTimeSpan"></span></font>