// Player Rolls

  var successRollString = document.getElementById("roll").value; // First Success Roll

  var successRoll = parseInt(successRollString);

  // Enemy Stats

  var armorString = document.getElementById("armor").value;

  var defenseString = document.getElementById("defense").value;

  var HPString = document.getElementById("totalHP").value;

  // Damage to Enemy

  var armor = parseInt(armorString);

  var defense = parseInt(defenseString);

  var totalHP = parseInt(HPString);

  // Initial Display

  var displaySuccess = document.getElementById("displaySuccess");

  if (!isNaN(armor) && !isNaN(successRoll)) {

    if (successRoll >= armor) {

      displaySuccess.innerHTML = "Success! You can now determine how much you'll damage them for with the fields below.";

    } else {

      displaySuccess.innerHTML = "Failed. You couldn't break through their armor.";

    }

  } else {

    displaySuccess.innerHTML = "Please update the text in the boxes above to be numbers only.";

  }

}

​

function calculate() { 

  // Enemy Stats

  armorString = document.getElementById("armor").value;

  defenseString = document.getElementById("defense").value;

  HPString = document.getElementById("totalHP").value;

  var attackString = document.getElementById("attack").value;

  var bonusString = document.getElementById("bonus").value;

​

  var rollString = document.getElementById("diceRoll").value; // Attack Roll

  // Player Attack

  var attack = parseInt(attackString);

  var bonus = parseInt(bonusString);

  var roll = parseInt(rollString);

​

  var totalAttack = roll + attack + bonus;

  // Damage to Enemy

  armor = parseInt(armorString);

  defense = parseInt(defenseString);

  totalHP = parseInt(HPString);

  // Damage to Enemy

  var totalDamage = totalAttack - defense;

  var finalHP = totalHP - totalDamage;

​

  // Final Display

  var display = document.getElementById("display");

  if (!isNaN(totalAttack) && !isNaN(totalDamage)) {

    if (finalHP <= 0) {

        display.innerHTML = "The active character's damage total is " + totalAttack + ". The defending character was hurt " + totalDamage + ". Their total HP is now 0, so they've been defeated!";

        } else {

          display.innerHTML = "The active character's damage total is " + totalAttack + ". The defending character was hurt " + totalDamage + ". Their total HP is now " + finalHP + ".";

        }

  } else {

    display.innerHTML = "Please update the text in the boxes above to be numbers only.";

  }

}