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diff --git a/‎21-30/26. Remove Duplicates from Sorted Array.js
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+5-1Lines changed: 5 additions & 1 deletion b/‎21-30/26. Remove Duplicates from Sorted Array.js
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+5-1Lines changed: 5 additions & 1 deletion
@@ -1,8 +1,12 @@
 var removeDuplicates = function(nums) {
+    // Create a set from nums array
     let s = new Set(nums)
+    // convert that set to Array
     let num = Array.from(s.values())
+    // replace nums[i] with num[i] we need to update nums
     for(let i =0;  i < num.length ; i++){
         nums[i] = num[i]
     }
+    // return num.length
     return num.length
-};
+};