javascript classs code example

Example 1: javascript class

class ClassMates{
	constructor(name,age){
    	this.name=name;
      	this.age=age;
    }
  	displayInfo(){
    	return this.name + "is " + this.age + " years old!";
    }
}

let classmate = new ClassMates("Mike Will",15);
classmate.displayInfo();  // result: Mike Will is 15 years old!

Example 2: js class

class Car {
  constructor(brand, speed) {
    this.brand = brand
    this.speed = speed
  }
  speedUp() {
    this.speed += 5
    console.log(`The ${this.brand} is travelling at ${this.speed} mph`)
  }
  slowDown() {
    this.speed -= 5
    console.log(`The ${this.brand} is travelling at ${this.speed} mph`)

  }
}
const redCar = new Car('toyota', 0)
redCar.speedUp() // result: The toyota is travelling at 5 mph
redCar.slowDown() // result: The toyota is travelling at 0 mph