Edit in JSFiddle

function Product(name, price) {
  this.name = name;
  this.price = price;
  this.getInfo = function() {
    return this.name + " , " + this.price;
  }
}


/*
class Product {
  constructor(name, price)  {
    this.name = name;
    this.price = price;
  }

  getInfo() {
    return this.name + " , " + this.price;
  }
}
*/

let p1 = new Product("애플 아이폰",1000000);
let p2 = new Product();
p2.name = "삼성 갤럭시"
p2.price = 1100000;

console.log(p1.getInfo());
console.log(p2.getInfo());