Finding Product of an Array Using Recursion in JavaScript

We are required to write a JavaScript function that takes in an array of Integers. Our function should do the following two things −

• Make use of a recursive approach.

• Calculate the product of all the elements in the array.

And finally, it should return the product.

For example −

If the input array is −

const arr = [1, 3, 6, .2, 2, 5];

Then the output should be −

const output = 36;

Example

The code for this will be −

const arr = [1, 3, 6, .2, 2, 5];
const arrayProduct = ([front, ...end]) => {
   if (front === undefined) {
      return 1;
   };
   return front * arrayProduct(end);
};
console.log(arrayProduct(arr));

Output

And the output in the console will be −

36