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BigInt() - JavaScript | MDN
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BigInt()

Baseline Widely available

This feature is well established and works across many devices and browser versions. Its been available across browsers since 2020 9.

BigInt() BigInt .

In this article

js
BigInt(value);

value

. .

: BigInt() new .

js
BigInt(123);
// 123n

Specification
ECMAScript 2027 LanguageSpecification
# sec-bigint-constructor

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