Easy

Sum of an Array

Description

In this challenge, you are required to write a function that takes an array of numbers and returns the sum of all the elements.

Arrays are commonly used to store collections of data, and summing their values is a basic operation used in many real-world applications, such as calculating totals, averages, and financial figures.

Example Usage

sumArray([10, -5, 7]); // ➞ 12
sumArray([]); // ➞ 0
sumArray([100]); // ➞ 100

Constraints

  • The input will always be an array of numbers.
  • If the array is empty, return '0'.
  • The array may contain both positive and negative numbers.
  • The function should handle arrays of any length, including a single element.

window code 2Test Cases

Input:

1

Expected Output:

15