create nodejs new object

1class Person {
2  constructor(fname, lname) {
3    this.firstName = fname;
4    this.lastName = lname;
5  }
6}
7
8const person = new Person('testFirstName', 'testLastName');
9
10console.log(person.firstName); // testFirstName
11console.log(person.lastName); // testLastName
12
13

1const personFactory = (firstName, lastName, email) => {
2    return {
3        firstName: firstName,
4        lastName: lastName,
5        email: email,
6        info() {
7            return `${this.firstName} ${this.lastName}, ${this.email}`;
8        }
9    };
10};
11
12let person = personFactory('John', 'Doe', 'jdoe@example.com');
13
14console.log(person.info());
15

1let Person = function (firstName, lastName, email) {
2
3    this.firstName = firstName;
4    this.lastName = lastName;
5    this.email = email;
6}
7
8let PersonBuilder = function () {
9
10    let firstName;
11    let lastName;
12    let email;
13
14    return {
15        setFirstName: function (firstName) {
16            this.firstName = firstName;
17            return this;
18        },
19        setLastName: function (lastName) {
20            this.lastName = lastName;
21            return this;
22        },
23        setEmail: function (email) {
24            this.email = email;
25            return this;
26        },
27        info: function () {
28            return `${this.firstName} ${this.lastName}, ${this.email}`;
29        },
30        build: function () {
31            return new Person(firstName, lastName, email);
32        }
33    };
34};
35
36var person = new PersonBuilder().setFirstName('John').setLastName('Doe')
37    .setEmail('jdoe@example.com');
38console.log(person.info());
39

1function Person(fname, lname) {
2  this.firstName = fname;
3  this.lastName = lname;
4}