JavaScript number problem, no true integer

js number problem

// 2026-06-30
// this number does not change when you add one to it

console.log(2 ** 53);
// 9007199254740992

console.log(2 ** 53 + 1);
// 9007199254740992

console.log(9007199254740992 === 9007199254740992 + 1);
// true

// add two works
console.log(2 ** 53 + 2);
// 9007199254740994

BigInt

the problem is solved by BigInt.

• JS: BigInt (tutorial)