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