isNull | /is_null.ts | isx@1.5.0

Collection of validation functions for JavaScript data

Latest

function isNull

import { isNull } from "https://deno.land/x/isx@1.5.0/is_null.ts";

isNull(input: unknown): input is null

Whether the input is null or not.

Examples

Example 1

import { isNull } from "https://deno.land/x/isx@$VERSION/is_null.ts"
import { assertEquals } from "https://deno.land/std/testing/asserts.ts"
assertEquals(isNull(null), true)
assertEquals(isNull(undefined), false)

Parameters

input: unknown

Any input.

Returns

input is null