let first = "A";
let second = "B";
let third = 'A';

let areEqual1 = first === second;
//areEqual1 is false

let areNotEqual = first !== second;
//areNotEqual is true

let areEqual2 = first.localeCompare(third) === 0;
//areEqual2 is true

let moreThan = first.localeCompare(second) > 0;
//moreThan is False

console.log("areEqual1 is", areEqual1);
console.log("areEqual2 is", areEqual2);
console.log("areNotEqual is", areNotEqual);
console.log("moreThan is", moreThan);