diff --git a/collections/array/remove-duplicate-values-in-an-array.md b/collections/array/remove-duplicate-values-in-an-array.md
index d78ea3d8..27b6a97e 100644
--- a/collections/array/remove-duplicate-values-in-an-array.md
+++ b/collections/array/remove-duplicate-values-in-an-array.md
@@ -3,4 +3,7 @@ const removeDuplicate = arr => arr.filter(i => arr.indexOf(i) === arr.lastIndexO
 
 // Example
 removeDuplicate(['h', 'e', 'l', 'l', 'o', 'w', 'o', 'r', 'l', 'd']); //  ['h', 'e', 'w', 'r', 'd']
-~~~
\ No newline at end of file
+
+// or
+const removeDuplicate = arr => Array.from(new Set(arr));
+~~~