metadata
title: BigInt.prototype.valueOf()
short-title: valueOf()
slug: Web/JavaScript/Reference/Global_Objects/BigInt/valueOf
page-type: javascript-instance-method
browser-compat: javascript.builtins.BigInt.valueOf
sidebar: jsref
The valueOf() method of {{jsxref("BigInt")}} values returns the wrapped primitive value
of a {{jsxref("BigInt")}} object.
{{InteractiveExample("JavaScript Demo: BigInt.prototype.valueOf()", "shorter")}}
console.log(typeof Object(1n));
// Expected output: "object"
console.log(typeof Object(1n).valueOf());
// Expected output: "bigint"
Syntax
valueOf()
Parameters
None.
Return value
A BigInt representing the primitive value of the specified {{jsxref("BigInt")}} object.
Examples
Using valueOf
typeof Object(1n); // object
typeof Object(1n).valueOf(); // bigint
Specifications
{{Specifications}}
Browser compatibility
{{Compat}}
See also
- {{jsxref("BigInt.prototype.toString()")}}