working with object in javascript code example

Example 1: how to create object js

function person(fname, lname, age, eyecolor){
  this.firstname = fname;
  this.lastname = lname;
  this.age = age;
  this.eyecolor = eyecolor;
}

myFather = new person("John", "Doe", 50, "blue");
document.write(myFather.firstname + " is " + myFather.age + " years old.");

Example 2: js create object with properties

var mycar = new Car('Eagle', 'Talon TSi', 1993);

Example 3: js create object with properties

function Car(make, model, year) {
  this.make = make;
  this.model = model;
  this.year = year;
}

Example 4: make an object javascript

class ObjectLayout {
	constructor() {
    	this.firstName = "Larry"; //property
    }
  
  	sayHi() { // Method
    	return `Hello from ${this.firstName}`;
    }
}

const object = new ObjectLayout();
// object.firstName is Larry;
// object.sayHi() gives "Hello from Larry"