adding array methods

Author: hrishikeshps

Array Methods/flatMap.js

@@ -0,0 +1,9 @@
+// lets define an array
+let numbersArray = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+// each element of the array is cubed and then flattened
+const outputArray = numbersArray.flatMap((x) => [x ** 3]);
+
+console.log('Output:', outputArray);
+
+// Output: [1, 8, 27, 64, 125, 216, 343, 512, 729]

Array Methods/pop.js

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+// Lets create a cities array with four elements,
+let cities = ["Mumbai", "Delhi", "Hyderabad", "Chennai"];
+
+// removes the last element from the cities array
+let removedCity = cities.pop();
+
+console.log(`Output: ${cities}`)         
+// Output: Mumbai,Delhi,Hyderabad
+
+console.log(`Output: ${removedCity}`)
+// Output: Chennai