There's Intl.Segmenter now which does Unicode Segmentation to count the amount of graphemes for example: https://developer.mozilla.org/en-US/docs/Web/JavaScript

There's Intl.Segmenter now which does Unicode Segmentation to count the amount of graphemes for example: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/Segmenter#grapheme https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... Though you are right in that I don't know of a built-in way to count Unicode Scalar Values (USVs).