Kebab file names

snippets/is-nil.md

@@ -0,0 +1,21 @@
+---
+title: Value is nil
+tags: type
+cover: river-houses
+firstSeen: 2018-01-16T16:50:21+02:00
+lastUpdated: 2020-10-20T23:02:01+03:00
+---
+
+Checks if the specified value is `null` or `undefined`.
+
+- Use the strict equality operator to check if the value of `val` is equal to `null` or `undefined`.
+
+```js
+const isNil = val => val === undefined || val === null;
+```
+
+```js
+isNil(null); // true
+isNil(undefined); // true
+isNil(''); // false
+```