Doing this so that I can document solutions for HackerRank for myself and discuss runtime complexities with other and try to come up with better solutions.
<p dir="auto"><a href="https://www.hackerrank.com/challenges/simple-array-sum" target="_blank" rel="nofollow noreferrer noopener" title="This link will take you away from hive.blog" class="external_link">HackerRank - Simple Array Sum <pre><code>// solution function simpleArraySum(n, ar) { // Complete this function return ar.reduce( function( acc, val ) { return acc + val; } ); } <p dir="auto">I think using the native js reduce function is simple solution without using for loops.
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Thanks for the tip.