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 September 2020.
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® 2025 Language Specification # sec-bigint.prototype.valueof |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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valueOf |
Legend
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- Full support
- Full support
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