Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

Advanced Date Handling in JavaScript: Time Zones, UTC and Formatting with Intl

We see that Date holds a single moment, then cover UTC and ISO 8601 rules, Intl.DateTimeFormat options, "3 days ago" with Intl.RelativeTimeFormat, the daylight saving trap and a first look at Temporal.

3 Nov 2026 10 min 64

Frontend PART 19

Localization with JavaScript Intl: Turkish Sorting with Collator, PluralRules, ListFormat, Segmenter, DisplayNames and DurationFormat

Use Intl.Collator("tr") for Turkish sorting, PluralRules for singular/plural text, ListFormat for "Dune, Emma, and The Hobbit", Segmenter for character limits in reviews with emoji and DurationFormat for reading time. With Bookstore examples we show each one, the browser differences and why caching instances matters, with real output.

15 Nov 2026 13 min 6