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snippets/js/s/is-boolean.md

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+---
+title: Value is boolean
+type: snippet
+language: javascript
+tags: [type]
+cover: book-stopper
+dateModified: 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.
+
+```js
+const isBoolean = val => typeof val === 'boolean';
+```
+
+```js
+isBoolean(null); // false
+isBoolean(false); // true
+```