app.js

// KeyPress Settings
Player.prototype.handleInput = function(keyPress) {
  if (keyPress == 'left') {
    player.x -= player.speed;
  }
  if (keyPress == 'up') {
    player.y -= player.speed - 20;
  }
  if (keyPress == 'right') {
    player.x += player.speed;
  }
  if (keyPress == 'down') {
    player.y += player.speed - 20;
  }
  console.log('keyPress is: ' + keyPress);
};