Simple Array Sum | Javascript | hackerrank.com

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javascript arrays
array sum

Given an array of integers, find the sum of its elements.

For example, if the array

ar = [1,2,3], 1 + 2+ 3 = 6, so return 6

Function Description

Complete the simpleArraySum function in the editor below. It must return the sum of the array elements as an integer. simpleArraySum has the following parameter(s):

  • ar: an array of integers

Input Format

The first line contains an integer, n, denoting the size of the array.

The second line contains n space-separated integers representing the array's elements.

Constraints

0 < n, ar[i] <= 1000

Output Format

Print the sum of the array's elements as a single integer.

Sample Input

6
1 2 3 4 10 11

Sample Output

31

Explanation

We print the sum of the array's elements:

1+2+3+4+10+11 = 31

Solution: 

function simpleArraySum(ar) {
    let total = 0;
    ar.map((value, index)=>{
        total += parseFloat(value);
    });
    return total;
}

 

 

 

 

 

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