BITXOR Function

BITXOR.js

// Copyright (c) 2012 Sutoiku, Inc. (MIT License)

function BITXOR(number1, number2) {
  // Return error if either number is a non-numeric value
  if (isNaN(number1) || isNaN(number2)) return '#VALUE!';

  // Return error if either number is less than 0
  if (number1 < 0 || number2 < 0) return '#NUM!';

  // Return error if either number is a non-integer
  if (Math.floor(number1) !== number1 || Math.floor(number2) !== number2) return '#NUM!';
  
  // Return error if either number is greater than (2^48)-1
  if (number1 > 281474976710655 || number2 > 281474976710655) return '#NUM!';

  // Return bitwise XOR of two numbers
  return number1 ^ number2;
}