contains-duplicate

Author: nowrobin

contains-duplicate/nowrobin.js

@@ -0,0 +1,9 @@
+/**
+ * @param {number[]} nums
+ * @return {boolean}
+ */
+var containsDuplicate = function(nums) {
+  return  new Set(nums).size != nums.length;
+};
+
+// 40ms 80.33MB