UNB/ CS/ David Bremner/ teaching/ cs2613/ books/ mdn/ Reference/ Global Objects/ String/ String.prototype.valueOf()

The valueOf() method of String values returns this string value.

Syntax

valueOf()

Parameters

None.

Return value

A string representing the primitive value of a given String object.

Description

The valueOf() method of String returns the primitive value of a String object as a string data type. This value is equivalent to String.prototype.toString.

This method is usually called internally by JavaScript and not explicitly in code.

Examples

Using valueOf()

const x = new String("Hello world");
console.log(x.valueOf()); // 'Hello world'

Specifications

Browser compatibility

See also