royib

function car(manufacture, model){
  this.manufacture = manufacture;
  this.model = model
  
  this.print = () => {
    console.log(this.manufacture + " " + this.model)
  }
}

var toyotaObj = new car("Toyota", "Camry"); 

royib

function car(manufacture, model){
  this.manufacture = manufacture;
  this.model = model
  
  this.print = function() {
    console.log(this.manufacture + " " + this.model)
  }
}

var toyotaObj = new car("Toyota", "Camry"); 

royib

function car(manufacture, model){
  this.manufacture = manufacture;
  this.model = model
  this.print = () => {
    console.log(this.manufacture + " " + this.model)
  }
}
var toyotaObj = new car("Toyota", "Camry"); 

toyotaObj.print(); // Toyota Camry

royib

let bar= "bar";
function foo(){
  this.baz = "baz";
  console.log(bar + " " + this.baz);
}

var obj = new foo(); // bar baz

royib

function foo()
{
  let bar = "hello";
  console.log(this.bar);
}
foo() // undefined

royib

function bar() {
  let foo = "bar";
  bam = "yay";
}

bar();
console.log(bam); //output yay
console.log(foo); //ReferenceError: foo is not defined

royib

// Person class
class Person {
  constructor(firstName, lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
  }

  getName() {
    return `person name is: ${this.firstName} ${this.lastName}`;
  }

royib

// Person constructor function
function Person(firstName, lastName) {
  this.firstName = firstName;
  this.lastName = lastName;
}

// Add function to the Person prototype
Person.prototype.getName = function() {
 return `person name is: ${this.firstName} ${this.lastName}`; 
}

royib

function Person(firstName, lastName) {
  this.firstName = firstName;
  this.lastName = lastName;
}

Person.prototype.getName = function() {
 return `person name is: ${this.firstName} ${this.lastName}`; 
}

// Creating a new instance of Person

royib

let Person = {
  firstName: "john",
  lastName: "duo"
}