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Code Golf · #42 · 2026-05-16

Find the longest word

Difficulty 3/3 · 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 a string of space-separated words, return the longest word. If tied, return the first one.

Examples

f("the quick brown fox") → quick
f("programming is fun") → programming

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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