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rose-ash/lib/js/test262-scoreboard.md
giles 4ab79f5758
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js-on-sx: parser handles comma operator (a, b, c)
Was failing with "Expected punct ')' got punct ','" because the
paren handler only consumed a single assignment. Added
jp-parse-comma-seq helpers that build a js-comma AST node with
the expression list; transpiler emits (begin ...) so each is
evaluated in order and the last value is returned.
built-ins/Object: 44/50 → 46/50. conformance.sh: 148/148.
2026-05-08 13:20:53 +00:00

604 B

test262 scoreboard

Pinned commit: d5e73fc8d2c663554fb72e2380a8c2bc1a318a33 Wall time: 64.1s

Total: 46/50 runnable passed (92.0%). Raw: pass=46 fail=4 skip=0 timeout=0 total=50.

Top failure modes

  • 4x ReferenceError (undefined symbol)

Categories (worst pass-rate first, min 10 runnable)

Category Pass Fail Skip Timeout Total Pass %
built-ins/Object 46 4 0 0 50 92.0%

Per-category top failures (min 10 runnable, worst first)

built-ins/Object (46/50 — 92.0%)

  • 4x ReferenceError (undefined symbol)