组合继承
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>组合继承</title>
</head>
<body>
<script>
function Person(name, age) {
this.name = name;
this.age = age;
}
Person.prototype.setName = function (name) {
console.log(this.name);
this.name = name;
};
function Student(name, age, price) {
Person.call(this, name, age);
this.price = price;
}
Student.prototype = new Person(); //为了看到父类型的方法
Student.prototype.constructor = Student; //修正constructor属性
Student.prototype.setPrice = function (price) {
this.price = price;
};
var stu = new Student("张三", 18, 100);
stu.setName("李四");
stu.setPrice(200);
console.log(stu.name, stu.age, stu.price);
console.dir(stu);
</script>
</body>
</html>
标签：name,组合,继承,price,JS,stu,Student,prototype,age From： https://www.cnblogs.com/malong1992/p/17413531.html