Number.prototype.valueOf()
The valueOf()
method returns the wrapped primitive value of a Number
object.
Syntax
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
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 |
4 |
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/Number/valueOf