Tagged: #intl.segmenter

Tutorials, deep-dives, and privacy-first thinking about developer tools.

Showing 1–2 of 2 posts

technical Jul 24, 2026 · 10 min

Why str.length Lies About Emoji in JavaScript (2026)

In JavaScript str.length counts UTF-16 code units, so one emoji reports 2 and a family emoji reports 11. Here is how to count emoji characters correctly.

technical Jul 20, 2026 · 9 min

How to Count Chinese, Japanese & Korean Words (2026)

Splitting on spaces gives the wrong count for Chinese and Japanese. Here is how to count CJK words correctly with Intl.Segmenter and character counts.