My experiment of working on logic gates in Javascript.

logic.js

var xor = (...args) => {
  let x = [];
  for (let i = 0; i < args.length; i++) {
    let y = [];
    for (let j = 0; j < args.length; j++)
      y.push(i == j ? args[j] : !args[j]);
    x.push(and(...y));
  }
  let w = and(...args);
  return or(...x, w);
}

var and = (...args) => {
  for (let i = 0; i < args.length; i++)
    if (!args[i]) return false;
  return true;
}

var or = (...args) => {
  for (let i = 0; i < args.length; i++)
    if (args[i]) return true;
  return false;
}

// Testing
console.log(xor(false, false, false)); // false
console.log(xor(false, false, true)); // true
console.log(xor(false, true, false)); // true
console.log(xor(false, true, true)); // false
console.log(xor(true, false, false)); // true
console.log(xor(true, false, true)); // false
console.log(xor(true, true, false)); // false
console.log(xor(true, true, true)); // true