diff --git a/implementations/ArrayConcat.js b/implementations/ArrayConcat.js
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+/*The Array.concat function allows you to add elements/items to the array without modifying the original. 
+This allows you add the single item or a completly new array to the existing array.
+
+MDN LINK:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/concat
+
+*/
+
+// Array.prototype.concat
+
+//Adding one item to the existing array
+
+
+const numbers = [1, 2];
+
+const concatenatedNumber = numbers.concat(3);
+console.log(concatenatedNumber)
+
+//Adding new array to the existing array
+
+const concatenated = concatenatedNumber.concat([4, 5]);
+
+console.log(concatenated); // [1, 2, 3, 4, 5];
+
+
+
+
+