The Number()
constructor creates a Number
object.
Syntax
new Number(value)
Parameters
value
- The numeric value of the object being created.
Examples
Creating Number objects
const a = new Number('123'); // a === 123 is false const b = Number('123'); // b === 123 is true a instanceof Number; // is true b instanceof Number; // is false
Specifications
Specification |
---|
ECMAScript (ECMA-262) The definition of 'Number constructor' in that specification. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number() constructor | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 3 | Opera Full support 3 | Safari Full support 1 | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 10.1 | Safari iOS Full support 1 | Samsung Internet Android Full support 1.0 | nodejs Full support 0.1.100 |
Legend
- Full support
- Full support