@bemoje/is-number

Determine whether a value is a number or not.

Version

Travis CI

Dependencies

Stats

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Installation

npm install @bemoje/is-number
npm install --save @bemoje/is-number
npm install --save-dev @bemoje/is-number

Usage

import isNumber from '@bemoje/is-number'

isNumber(3)
//=> true

isNumber(Number(3))
//=> true

isNumber(new Number(3))
//=> true

isNumber('3')
//=> false

isNumber(NaN)
//=> false

isNumber(Infinity)
//=> false

isNumber(Number.POSITIVE_INFINITY)
//=> false

isNumber(Number.NEGATIVE_INFINITY)
//=> false

isNumber(Number.NaN)
//=> false

isNumber(Number.EPSILON)
//=> true

isNumber(Number.MAX_SAFE_INTEGER)
//=> true

isNumber(Number.MIN_SAFE_INTEGER)
//=> true

isNumber(Number.MIN_VALUE)
//=> true

isNumber(Number.MAX_VALUE)
//=> true

Tests

Uses Jest to test module functionality. Run tests to get coverage details.

npm run test

API

Table of Contents

• isNumber

  • Parameters

isNumber

Determine whether a value is a number or not.

Parameters

• value any The value

Returns boolean