Travis build: 1321

README.md

@@ -342,6 +342,7 @@ average(1, 2, 3);
 * [`isNull`](#isnull)
 * [`isNumber`](#isnumber)
 * [`isObject`](#isobject)
+* [`isPlainObject`](#isplainobject)
 * [`isPrimitive`](#isprimitive)
 * [`isPromiseLike`](#ispromiselike)
 * [`isString`](#isstring)
@@ -5632,6 +5633,29 @@ isObject(true); // false
 <br>[⬆ Back to top](#table-of-contents)
 
 
+### isPlainObject
+
+Checks if the provided value is an bbject created by the Object constructor.
+
+Check if the provided value is truthy, use `typeof` to check if it is an object and `Object.constructor` to make sure the constructor is equal to `Object`.
+
+```js
+const isPlainObject = val => !!val && typeof val === 'object' && val.constructor === Object;
+```
+
+<details>
+<summary>Examples</summary>
+
+```js
+isPlainObject({ a: 1 }); // true
+isPlainObject(new Map()); // false
+```
+
+</details>
+
+<br>[⬆ Back to top](#table-of-contents)
+
+
 ### isPrimitive
 
 Returns a boolean determining if the passed value is primitive or not.

snippets/isPlainObject.md

@@ -9,6 +9,6 @@ const isPlainObject = val => !!val && typeof val === 'object' && val.constructor
 ```
 
 ```js
-isPlainObject({ 'a': 1 }); // true
+isPlainObject({ a: 1 }); // true
 isPlainObject(new Map()); // false
 ```