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>

原文地址:https://www.cnblogs.com/mattins/p/2215764.html