fight.js

'use strict';

// Character Class definition
class Character {
  constructor(name, health, attack, defense) {
    this.name = name;
    this.health = health;
    this.attack = attack;
    this.defense = defense;
  }
}

Character.prototype.attackCharacter = function(defender) {
  // Implement me!
  var baseDmg = this.attack - defender.defense;
  var randDmg = Math.floor((Math.random() * 5) + 1);
  var totalDmg = baseDmg + randDmg;
  defender.health -= totalDmg;
  console.log(this.name + " does " + totalDmg + " damage to " + defender.name );
}

// Main Fight Logic
var player = new Character('Edward Norton', 100, 25, 20);
var enemy  = new Character('Tyler Durden', 100, 25, 20);
var round  = 1;

while (player.health && enemy.health) {
  runRound(round, player, enemy);
  round++;
  console.log('');
}

function runRound(round, p1, p2) {
  // Implement me!
  console.log("----- Round " + round + " -----");

  p1.attackCharacter(p2);
  if (p2.health <= 0) {
    endGame(p1, p2);
  }

  p2.attackCharacter(p1);
  if (p1.health <= 0) {
    endGame(p2, p1);
  }

  console.log(p1.name + " health: " + p1.health);
  console.log(p2.name + " health: " + p2.health);

}

function endGame(winner, loser) {
  console.log('\n======== GAME OVER ========');
  console.log(winner.name + " wins against " + loser.name + " with " + winner.health + " health remaining!");
  process.exit();
}