30-seconds-of-code/snippets/js/s/is-boolean.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Value is boolean	snippet	javascript	type	book-stopper	2020-09-15T16:28:04+03:00

Checks if the given argument is a native boolean element.

• Use typeof to check if a value is classified as a boolean primitive.

const isBoolean = val => typeof val === 'boolean';

isBoolean(null); // false
isBoolean(false); // true