person.js

class person {
    constructor (name, age) {
        this.name = name;
        this.age = age;
    }
    tellMyName() {
        return `I am ${this.name}`;
    }
    tellMyAge() {
        return `I am ${this.age} years old`
    }
}
const person1 = new person("John", 40);
const person2 = new person("Mary", 35);

console.log(person1.tellMyName());
console.log(person1.tellMyAge());
console.log(person2.tellMyName());
console.log(person2.tellMyAge());