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BigInt() コンストラクター - JavaScript | MDN
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BigInt() コンストラクター
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2020年9月.
BigInt() コンストラクターは bigint 型の値を返します。
構文
js
BigInt(value);
引数
value-
作成しようとしているオブジェクトの数値。文字列または整数にすることができます。
メモ:
BigInt() は new 演算子と共には使用されません。
例
新しい BigInt の生成
js
BigInt(123);
// 123n
仕様書
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-bigint-constructor |
ブラウザーの互換性
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関連情報
BigIntクラス