new_object.js

function Player(name, marker) {
  this.name = name
  this.marker = marker
  this.sayName = function() {
    console.log(name)
  }
}

const player1 = new Player('steve', 'X')
const player2 = new Player('also steve', 'O')
player1.sayName() // logs 'steve'
player2.sayName() // logs 'also steve'