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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
valueOf
1
12
1
4
3
1
1
18
4
10.1
1
1.0

See also

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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/valueOf