// function Person() {

// }

(function () {
    class Person {
        name: string;
        age: number;
        constructor(name: string, age: number) {
            console.log(this, 'this1')
            this.name = name;
            this.age = age;
            console.log(this, 'this2')
        }
    }

    let p1 = new Person("孙悟空", 30);
    let p2 = new Person("猪八戒", 40);
})()