Code Golf · #22 · 2026-04-26
Remove falsy values
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, return a new array with all falsy values removed (false, 0, "", null, undefined, NaN).
Examples
f([0,1,false,2,"",3]) → 1,2,3
f([null,"hi",0]) → hi
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Your code (function body — receives input)
function(input) { 0 chars
}
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