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