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Module

x/isx/is_boolean.ts>isBoolean

Collection of validation functions for JavaScript data
TomokiMiyauci/isx
Latest
function isBoolean
import { isBoolean } from "https://deno.land/x/isx@1.5.0/is_boolean.ts";

Whether the input is boolean or not.

Examples

Example 1

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

Parameters

input: unknown
  • Any input.

Returns

input is boolean