Markdium-JavaScript - The prototype chain in depth

Markdium-JSX.jsx

const playerFunctions = {
  setScore(newScore) {
    this.score = newScore;
  }
}

function createPlayer(userName, score) {
  const newPlayer = Object.create(playerFunctions);
  newPlayer.userName = userName;
  newPlayer.score = score;
  return newPlayer;
}

const player1 = createPlayer('sag1v', 700);
const player2 = createPlayer('sarah', 900);