Number() constructor

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

Browser compatibility

See also

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