@ryanuo/utils / common / isUndefined

Function: isUndefined()

function isUndefined(val): val is undefined;

Checks if the value is an undefined

Parameters

val

any

The value to check

Returns

val is undefined

Whether the value is an undefined

Example

import { isUndefined } from '@ryanuo/utils'
isUndefined(undefined) // true
isUndefined(null) // false