String.prototype.valueOf()

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

Syntax

valueOf()

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()

var x = new String('Hello world');
console.log(x.valueOf()); // Displays 'Hello world'

Specifications

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

Browser compatibility

BCD tables only load in the browser

See also