isBooleanObject - util/types - Node

isBooleanObject - util/types - Node documentation

function isBooleanObject

Usage in Deno

import { isBooleanObject } from "node:util/types";



isBooleanObject(object: unknown): object is Boolean

Returns true if the value is a boolean object, e.g. created by new Boolean().

util.types.isBooleanObject(false);  // Returns false
util.types.isBooleanObject(true);   // Returns false
util.types.isBooleanObject(new Boolean(false)); // Returns true
util.types.isBooleanObject(new Boolean(true));  // Returns true
util.types.isBooleanObject(Boolean(false)); // Returns false
util.types.isBooleanObject(Boolean(true));  // Returns false

Parameters



object: unknown

Return Type

object is Boolean