<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript">
var value ="2013/8/9 00:00:00";
var v="2013-08-09 01:02:03";
var date = new Date(value);
var date2 = new Date(v);
var m=date.getMonth();
var m2=date2.getMonth();
alert(m);
alert(m2);
</script>
</head>
<body>
</body>
</html>
解决办法：
v.replace(/-/g, "/");