继承 – PM开源达人

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    <title>Document</title>
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<body>
    <script>
        //继承
        //父类
        function ren(name, age, sex) {
            this.name = name;
            this.age = age;
            this.sex = sex;

            this.shuohua = function() {
                console.log('说话');
            }
        }

        ren.prototype.zoulu = function() {
            console.log(this.name + "走路");
        }

        //子类
        function nren(name, age, sex) {
            this.name = name;
            this.age = age;
            this.sex = sex;
        }

        //继承父类
        nren.prototype = new ren();

        var xnren = new nren('男人', 30, '男');
        xnren.shuohua();
    </script>

</body>

</html>
JS

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