Array.prototype.sort() — Sorting non-ASCII characters
For sorting strings with non-{{Glossary("ASCII")}} characters, i.e., strings with accented characters (e, é, è, a, ä, etc.), strings from languages other than English, use {{jsxref("String.prototype.localeCompare()")}}.
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For sorting strings with non-{{Glossary("ASCII")}} characters, i.e., strings with accented characters (e, é, è, a, ä, etc.), strings from languages other than English, use {{jsxref("String.prototype.localeCompare()")}}. This function can compare those characters so they appear in the right order.
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MDN Web Docs — files/en-us/web/javascript/reference/global_objects/array/sort/index.md :: Sorting non-ASCII characters ↗Revision d14bee540b53 · CC-BY-SA-2.5