Sort the characters of a string in alphabetical order

Sort code points with an explicit English collation.

JavaScript Version 1.0.0 · MIT · .md

function sortCharacters(text) { return Array.from(text).sort((a, b) => a.localeCompare(b, 'en')).join(''); }

Input & expected output

"hello"

"ehllo"

The edge case

"Bab"

"abB"

Know the limits

• The original used the runtime’s default locale, which can differ between machines; this version names the locale.

The function above is the implementation used by the lab. The lab validates JSON types and caps size before execution; include equivalent validation when accepting untrusted input in your application.

Keep exploring

• Capitalize a string — Uppercase the first Unicode code point and preserve the remaining text.
• Reverse a string — Reverse Unicode code points without splitting surrogate pairs.
• Check a palindrome — Compare a string with its code-point reversal.