<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>TT</title>
<script src="jquery.js"></script>
</head>
<body>
<p style="line-height: 50%;"><span></span></p>
<input type="button" value="轻轻" onclick="syncTime()">
<script>
function syncTime(){
var mydate = new Date();
var week;
switch (mydate.getDay()){
case 1: week="星期一"; break;
case 2: week="星期二"; break;
case 3: week="星期三"; break;
case 4: week="星期四"; break;
case 5: week="星期五"; break;
case 6: week="星期六"; break;
default: week="星期天";
}
var str = "" + mydate.getFullYear() + " 年 " + (mydate.getMonth() + 1) + " 月 " + mydate.getDate() + " 日 " + week;
$(‘.todaytime‘)[0].innerHTML = str;
str = ‘"savesynctime" : "‘ + str + ‘"‘
return str;
}
console.log(syncTime());
</script>
</body>
</html>
原文：http://my.oschina.net/u/861926/blog/467751