Number.prototype.valueOf()
The valueOf()
method returns the wrapped primitive value
of a Number
object.
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Syntax
numObj.valueOf()
Return value
A number representing the primitive value of the specified Number
object.
Description
This method is usually called internally by JavaScript and not explicitly in web code.
Examples
Using valueOf
let numObj = new Number(10)
console.log(typeof numObj) // object
let num = numObj.valueOf()
console.log(num) // 10
console.log(typeof num) // number
Specifications
Specification |
---|
ECMAScript (ECMA-262) The definition of 'Number.prototype.valueOf' in that specification. |
Browser compatibility
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