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Code Golf · #9 · 2026-04-13

Capitalize first letter of each word

Difficulty 2/3 · 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, capitalize the first letter of each word.

Examples

f("hello world") → Hello World
f("foo bar baz") → Foo Bar Baz

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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