console.log(Number.MAX_SAFE_INTEGER); => 9007199254740991
//When facing large numbers that are bigger than above number, Js runs into some problems. How to solve? Using BigInt
console.log(BigInt(124623786189682165785218589)); => 124623786189682165785218589n
//Or
console.log(124623786189682165785218589n); => 124623786189682165785218589n
//Operations *Can't mix BigInt with other type
console.log(10000n + 10000n); => 20000n