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30-seconds-of-code/snippets/is-boolean.md
2023-04-28 22:29:23 +03:00

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Value is boolean snippet
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