update snippets 78 - 96

snippets/nthElement.md

@@ -7,7 +7,10 @@ If the index is out of bounds, return `[]`.
 Omit the second argument, `n`, to get the first element of the array.
 
 ```js
-const nthElement = (arr, n = 0) => (n > 0 ? arr.slice(n, n + 1) : arr.slice(n))[0];
-// nthElement(['a','b','c'],1) -> 'b'
-// nthElement(['a','b','b'],-3) -> 'a'
+const nthElement = (arr, n=0) => (n>0? arr.slice(n,n+1) : arr.slice(n))[0];
+```
+
+```js
+nthElement(['a','b','c'],1) // 'b'
+nthElement(['a','b','b'],-3) // 'a'
 ```