isUndefined

Determine if a value is undefined

Usage

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

import * as 
import _
_ from 'radashi'

import _
_.
function isUndefined(value: unknown): value is undefined
export isUndefined
Checks if the given value is undefined.
@see ― https://radashi.js.org/reference/typed/isUndefined
@example 
isUndefined(undefined) // => true
isUndefined(null) // => false
@version ― 12.3.0
isUndefined(
var undefined
undefined) // => true
import _
_.
function isUndefined(value: unknown): value is undefined
export isUndefined
Checks if the given value is undefined.
@see ― https://radashi.js.org/reference/typed/isUndefined
@example 
isUndefined(undefined) // => true
isUndefined(null) // => false
@version ― 12.3.0
isUndefined(null) // => false