借用父构造函数继承属性

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>借用父构造函数继承属性</title>
</head>
<body>
    <script>
        // 借用父构造函数继承属性
        //1.父构造函数
        function Father(name,age) {
            this.name = name;
            this.age =age;
        }
        //2.子构造函数
        function Son(name,age) {
            //this指向子构造函数的实例
            Father.call(this,name,age)
        }
        var son = new Son('张三',18);
        console.log(son)

    </script>
</body>
</html>

运行结果

原文地址:https://www.cnblogs.com/malong1992/p/12830866.html