Constructor Functions and the "this" Keyword

https://subscription.packtpub.com/video/programming/9781800206878/p1/video1_2/-constructor-functions-and-the-this-keyword

by Dominic Myers

JavaScript

function User(firstName, lastName, age, gender){
	this.firstName = firstName;
  this.lastName = lastName;
  this.age = age;
  this.gender = gender;
}
var user1 = new User("Dominic", "Myers", 47, "Male");
var user200 = new User("Katrina", "Myers", 48, "Female");
user1.gender = "male"
user200.gender = "female"
console.log(user1, user200)