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You're truncating bios with `.slice()`. `Intl.Segmenter` knows where the emoji actually end.

Parsa Jiravand 2026年08月27日 17:30 0 次阅读来源：Dev.to

A 30-character bio limit that cuts off mid-emoji isn't a rendering bug — it's .length counting UTF-16 code units instead of what's on screen. Intl.Segmenter counts graphemes, words, and sentences the way a reader actually sees them, and every major browser supports it now.

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# javascript # webdev # frontend # tutorial

You're truncating bios with `.slice()`. `Intl.Segmenter` knows where the emoji actually end.

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