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- "use strict";
- (function () {
- // 类型别名 定义数据
- const obj = {
- name: "孙悟空",
- age: 20,
- };
- // 继承 extends
- // 接口 interface implements
- class Person {
- constructor(name, age, sex, num) {
- this.name = name;
- this.age = age;
- this.num = num;
- this.sex = sex;
- }
- say() {
- console.log(this.name, this.age, this.num, this.sex, '我是个好人');
- }
- }
- let a = new Person("猪八戒", 20, "男", 1);
- a.say();
- })();
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