giles fd73c43eba js-on-sx: 10 new String.prototype methods (at, codePointAt, lastIndexOf, localeCompare, replaceAll, normalize, ...) ...

New methods added:
- at(i) — negative-index aware
- codePointAt(i) — returns char code at index
- lastIndexOf — walks right-to-left via js-string-last-index-of helper
- localeCompare — simple lexicographic (ignores locale)
- replaceAll — works with strings and regex-source
- normalize — no-op stub
- toLocaleLowerCase / toLocaleUpperCase — delegate to non-locale variants
- isWellFormed / toWellFormed — assume always well-formed

10 new unit tests, 489/491 total.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-24 07:35:27 +00:00

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