Symbol.prototype.valueOf()

The valueOf() method returns the primitive value of a Symbol object.

Syntax

valueOf()

Return value

The primitive value of the specified Symbol object.

Description

The valueOf() method of Symbol returns the primitive value of a Symbol object as a Symbol data type.

JavaScript calls the valueOf() method to convert an object to a primitive value. You rarely need to invoke the valueOf() method yourself; JavaScript automatically invokes it when encountering an object where a primitive value is expected.

Examples

Using valueOf()

const sym = Symbol("example");
sym === sym.valueOf(); // true

Specifications

Specification
ECMAScript Language Specification (ECMAScript)
# sec-symbol.prototype.valueof

Browser compatibility

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See also