@@ -1530,7 +1530,13 @@ console.log(updatedArr)//{0: 'John', 1: 'Peter', 2: 'Sally', 3: 'Jane'}
 2. Used to modify an element in array depending on some requirement, which means calling a function on each item in Array
 3. Used to convert String to Array
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-
+103. Find common elements:
+function commonElements(a, b){
+ return a.filter((item) => b.includes(item))
+}
+A = [1.2,3,4,5];
+B = [4, 5, 6, 7, 8];
+console.log(commonElements(A, B)); //[4,5]
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