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30-seconds-of-code/snippets/isBoolean.md
2017-12-25 14:23:06 +01:00

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### isBoolean
Checks if the given argument is a native boolean element.
Use `typeof` to check if a value is classified as a boolean primitive.
```js
const isBoolean = val => typeof val === 'boolean';
```
```js
isBoolean(null) -> false
isBoolean(false) -> true
```