面向对象编程 

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>面向对象编程</title>
    <meta charset="utf-8" />
</head>
<body>    
    <script>
        var person = {
            name: "张三",
            age: 18,
            getName: function () {
                return this.name;
            }
        }
    </script>
    <script>
        function parent() {
            this.name = "张三";
            this.show1 = function () {
                alert("我是" + this.name);
            }
        }
        function child() {
            this.age = 18;
            this.show2 = function () {
                alert("我的年龄是"+this.age)
            }
        }
        child.prototype = new parent();//child继承parent
        var test = new child();
        test.name = "李四";//继承父对象的name属性，并修改属性值
        test.show1();//继承父对象的show1()方法
        test.show2();//调用子对象的show2()方法
    </script>

</body>
</html>

 

posted @ 2018-01-09 15:02  你的斗志并没有失去  阅读(123)  评论(0)    收藏  举报