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snippets/js/s/is-plain-object.md

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+---
+title: Value is plain object
+type: snippet
+language: javascript
+tags: [type,object]
+cover: yellow-white-mug-1
+dateModified: 2020-10-20T23:02:01+03:00
+---
+
+Checks if the provided value is an object created by the Object constructor.
+
+- Check if the provided value is truthy.
+- Use `typeof` to check if it is an object and `Object.prototype.constructor` to make sure the constructor is equal to `Object`.
+
+```js
+const isPlainObject = val =>
+  !!val && typeof val === 'object' && val.constructor === Object;
+```
+
+```js
+isPlainObject({ a: 1 }); // true
+isPlainObject(new Map()); // false
+```