Nest all content into snippets

snippets/js/s/is-string.md

@@ -0,0 +1,21 @@
+---
+title: Value is string
+type: snippet
+language: javascript
+tags: [type,string]
+cover: overgrown
+dateModified: 2020-10-20T23:02:01+03:00
+---
+
+Checks if the given argument is a string.
+Only works for string primitives.
+
+- Use `typeof` to check if a value is classified as a string primitive.
+
+```js
+const isString = val => typeof val === 'string';
+```
+
+```js
+isString('10'); // true
+```