What is `Intl.Collator` used for and why is string comparison with `localeCompare()` important?

JavaScript Professional Medium

JavaScript Professional — Medium

What is `Intl.Collator` used for and why is string comparison with `localeCompare()` important?

Key points

  • Intl.Collator enables language-specific sorting
  • localeCompare() considers accents and case for accurate sorting
  • Unicode code points can lead to incorrect sorting of non-ASCII characters
  • Simple < > comparison is not suitable for locale-aware sorting

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