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<html>
<head>
<title>简单获取日期的JS</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<script language="javascript">
var week;
if(new Date().getDay()==0) week="星期日"
if(new Date().getDay()==1) week="星期一"
if(new Date().getDay()==2) week="星期二"
if(new Date().getDay()==3) week="星期三"
if(new Date().getDay()==4) week="星期四"
if(new Date().getDay()==5) week="星期五"
if(new Date().getDay()==6) week="星期六"
document.write("友情提示：今天是："+new Date().getYear()+"年"+(new Date().getMonth()+1)+"月"+new Date().getDate()+"日 "+week+new Date().getDay());
var s=‘2015-07-20‘;
var date =new Date(s.replace(/-/g,"/"));
alert(date);
alert(date.getDay());
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/SZ2015/p/4663168.html
