js__typescript__pluralsight1/app/app.ts

/// <reference path="player.ts" />
/// <reference path="game.ts" />

let newGame: Game;

document.getElementById('startGame')!.addEventListener('click', () => {
  let player: Player = new Player();
  player.name = Utility.getInputValue('playername');

  let problemCount: number = Number(Utility.getInputValue('problemCount'));
  let factor: number = Number(Utility.getInputValue('factor'));

  newGame = new Game(player, problemCount, factor);
  newGame.displayGame();
});

// Add click handler to the calculate score button.
document.getElementById('calculate')!.addEventListener('click', () => {
  newGame.calculateScore();
});