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Number.number

The Number() 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

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Number() constructor 1 12 1 3 3 1
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
Number() constructor 1 18 4 10.1 1 1.0
Server
Node.js
Number() constructor 0.1.100

See also

  • NaN
  • The Math global object
  • Integers with arbitrary precision: BigInt

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://wiki.developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/Number