OO语言 prototype 初级用法
<html>
<head>
</head>
<body>
<script language="javascript">
function RP()
{
this.mm = function()
{
alert("a");
};
}
</script>
<script language="javascript">
RP.prototype.tt=3;
var rr=new RP();
alert(rr.tt);//tt=3
</script>
</body>
</html>
