BigInt.prototype.valueOf()
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.
valueOf() 方法返回 BigInt 对象包装的原始值。
尝试一下
console.log(typeof Object(1n)); // Expected output: "object" console.log(typeof Object(1n).valueOf()); // Expected output: "bigint" 语法
bigIntObj.valueOf()
返回值
表示指定 BigInt 对象的原始 BigInt 值。
示例
Using valueOf
js
typeof Object(1n); // object typeof Object(1n).valueOf(); // bigint 规范
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-bigint.prototype.valueof |