update snippets 32-47

snippets/everyNth.md

@@ -6,5 +6,8 @@ Use `Array.filter()` to create a new array that contains every nth element of a
 
 ```js
 const everyNth = (arr, nth) => arr.filter((e, i) => i % nth === nth - 1);
-// everyNth([1,2,3,4,5,6], 2) -> [ 2, 4, 6 ]
+```
+
+```js
+everyNth([1,2,3,4,5,6], 2) -> [ 2, 4, 6 ]
 ```