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by akie 4950 days ago
TLDR: The V8 engine can't (supposedly) encode Unicode codepoints that are over 16-bits in length, because it uses the UCS-2 encoding.
1 comments
throwaway54-762 4950 days ago
TLDR: v8 "sucks" (and doesn't support Unicode code points outside of the lowest ~64k characters).

Edit: v8 in general is pretty cool, but not supporting Unicode outside UCS-2 is pretty bad.

link
marshray 4949 days ago
Most apps seem to "support" surrogate pairs by simply not being aware of them at all.

Good on the V8 developers for recognizing these conditions that their code didn't fully handle and refusing to muddle on through with broken processing.

link