The valueOf()
method returns the primitive value of a
String
object.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
Syntax
str.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 (ECMA-262) The definition of 'String.prototype.valueOf' in that specification. |
Browser compatibility
BCD tables only load in the browser
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.