JavaScript · Numbers and Math

BigInt

An integer type for values beyond Number.MAX_SAFE_INTEGER. BigInt and Number cannot be mixed in arithmetic.

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Syntax

9007199254740993n

Example

Try it

const big = 9007199254740993n;
console.log(big + 1n);

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.