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function isBoolean
#isBoolean(object: unknown): object is boolean
Deprecated

Returns true if the given object is a Boolean. Otherwise, returns false.

import util from 'node:util';

util.isBoolean(1);
// Returns: false
util.isBoolean(0);
// Returns: false
util.isBoolean(false);
// Returns: true

Parameters #

#object: unknown

Return Type #

object is boolean