isNumber

Determine if a value is a number

Usage

Pass in a value and get a boolean telling you if the value is a number.

import * as 
import _
_ from 'radashi'

import _
_.
function isNumber(value: unknown): value is number
export isNumber
Return true if the given value is a number.
@see ― https://radashi.js.org/reference/typed/isNumber
@example 
isNumber(0) // => true
isNumber('0') // => false
isNumber(NaN) // => false
@version ― 12.1.0
isNumber('hello') // => false
import _
_.
function isNumber(value: unknown): value is number
export isNumber
Return true if the given value is a number.
@see ― https://radashi.js.org/reference/typed/isNumber
@example 
isNumber(0) // => true
isNumber('0') // => false
isNumber(NaN) // => false
@version ― 12.1.0
isNumber(['hello']) // => false
import _
_.
function isNumber(value: unknown): value is number
export isNumber
Return true if the given value is a number.
@see ― https://radashi.js.org/reference/typed/isNumber
@example 
isNumber(0) // => true
isNumber('0') // => false
isNumber(NaN) // => false
@version ― 12.1.0
isNumber(12) // => true