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javascript instance method

BigInt.prototype.valueOf()

View on MDN ↗

The valueOf() method of BigInt values returns the wrapped primitive value of a BigInt object.

Interactive exampleOpen the canonical MDN source to run this embedded demo.
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 BigInt object.

Examples

Using valueOf

typeof Object(1n); // object
typeof Object(1n).valueOf(); // bigint

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also