<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>定時器</title>
<script type="text/javascript">
/*var time1 = setTimeout(myalert,2000);
var time2 = setInterval(myalert,2000);
function myalert(){
alert('ok')
}*/
window.onload = function(){
var oDiv = document.getElementById('div1');
function timego(){
var now = new Date();
var year = now.getFullYear();
var month = now.getMonth()+1;
var date = now.getDate();
var week = now.getDay();
var hour = now.getHours();
var minute = now.getMinutes();
var second = now.getSeconds();
var str = '當前時間是:'+ year + '年'+month+'月'+date+'日 '+toweek(week)+' '+todou(hour)+':'+todou(minute)+':'+todou(second);
oDiv.innerHTML = str;
}
timego()
setInterval(timego,1000)
}
function toweek(n){
if(n==0)
{
return '星期日';
}
else if(n==1)
{
return '星期一';
}
else if(n==2)
{
return '星期二';
}
else if(n==3)
{
return '星期三';
}
else if(n==4)
{
return '星期四';
}
else if(n==5)
{
return '星期五';
}
else
{
return '星期六';
}
}
function todou(n){
if (n<10) {
return '0' + n;
}else{
return n;
}
}
</script>
</head>
<body>
<div id=div1></div>
</body>
</html>
javascript寫的簡易定時器
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