Merge remote-tracking branch 'origin/master'

snippets/symmetricDifferenceWith.md

@@ -7,10 +7,14 @@ Use `Array.filter()` and `Array.findIndex()` to find the appropriate values.
 ```js
 const symmetricDifferenceWith = (arr, val, comp) => [
   ...arr.filter(a => val.findIndex(b => comp(a, b)) === -1),
-  ...val.filter(a => arr.findIndex(b => comp(a, b)) === -1),
+  ...val.filter(a => arr.findIndex(b => comp(a, b)) === -1)
 ];
 ```
 
 ```js
-symmetricDifferenceWith([1, 1.2, 1.5, 3, 0], [1.9, 3, 0, 3.9], (a, b) => Math.round(a) === Math.round(b)); // [1, 1.2, 3.9]
+symmetricDifferenceWith(
+  [1, 1.2, 1.5, 3, 0],
+  [1.9, 3, 0, 3.9],
+  (a, b) => Math.round(a) === Math.round(b)
+); // [1, 1.2, 3.9]
 ```