js__typescript__pluralsight1/app/app.ts

import * as Helpers from './utility';
import {Game} from './game';
import {Player} from './player';

let newGame: Game;

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

  let problemCount: number = Number(Helpers.getValue('problemCount'));
  let factor: number = Number(Helpers.getValue('factor'));

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

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