XOR in JavaScript
let x1 = true || false && false;
let x2 = (true || false) && false;
let x3 = !false && false;
let x4 = !(false && false);
Joyous Jaguar
let x1 = true || false && false;
let x2 = (true || false) && false;
let x3 = !false && false;
let x4 = !(false && false);
if (a != b)