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30-seconds-of-code/snippets/isBoolean.md
Angelos Chalaris 611729214a Snippet format update
To match the starter (for the migration)
2019-08-13 10:29:12 +03:00

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isBoolean type,beginner

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