Code Golf · #4 · 2026-04-08
Sum an array
Difficulty 1/3 · JavaScript
How to play
Write a JavaScript function body that passes all test cases using the fewest characters. Run against examples first, then submit for the full test suite. Eagle < Birdie < Par.
Given an array of numbers, return their sum.
Examples
f([1,2,3]) → 6
f([10,20]) → 30
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Your code (function body — receives input)
function(input) { 0 chars
}
Write the shortest JavaScript function body that passes all tests · Back to hub