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tc39/test262

Official ECMAScript Conformance Test Suite

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 (2,073 stars)
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 (469 forks)
Indexed issues
 (5 indexed issues)
open beginner issues
 (4 open beginner issues)
Latest indexed
Jul 4, 2026
Last GitHub push
Sep 15, 2023
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 (Avg merge 12d 12h) (9 merged PRs in 30d)
Beginner labels
help wanted

Issues

5 open indexed issues

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tc39/test262 #5,073 opened Jun 19, 2026 · JavaScript · 2,073 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
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Open
Document PyYAML requirement more prominently
help wanted

tc39/test262 #940 opened Mar 28, 2017 · JavaScript · 2,073 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
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