“JavaScript Long Integer” Ответ

JavaScript Long Integer

// Use BigInt for long integers in JavaScript but note 
// you cannot use the strict equality operator to compare a 
// BigInt to a regular number because they are not the same type

BigInt("9007199254740995");    // → 9007199254740995n

// Great guide on BigInt here https://www.smashingmagazine.com/2019/07/essential-guide-javascript-newest-data-type-bigint/