Snippet format update

To match the starter (for the migration)
2019-08-13 10:29:12 +03:00
parent a5164f392a
commit 611729214a
381 changed files with 1951 additions and 1989 deletions
--- a/snippets/filterNonUnique.md
+++ b/snippets/filterNonUnique.md
@@ -1,4 +1,7 @@
-### filterNonUnique
+---
+title: filterNonUnique
+tags: array,beginner
+---

 Filters out the non-unique values in an array.

@@ -10,4 +13,4 @@ const filterNonUnique = arr => arr.filter(i => arr.indexOf(i) === arr.lastIndexO

 ```js
 filterNonUnique([1, 2, 2, 3, 4, 4, 5]); // [1, 3, 5]
-```
+```