GocciaScript

ECMAScript compatibility

test262 dashboard

Generated at website build time from main-branch test262 reports. The timeline keeps the latest available result for each day.

JSON resultGitHub run
Latest pass rate83.8%43,799 / 52,293
Failed8,4922 timeouts
Latest run#647acb75145 · Jun 18, 2026
TimelineMay 20, 2026 through Jun 18, 202623 of 40 daily points
Timeline range

time diagram

test262 pass rate over time

test262 pass rate over timePass-rate lines for each top-level test262 category across the latest available main-branch CI result for each day.0%25%50%75%100%May 20May 25Jun 2Jun 7Jun 12Jun 16Jun 18
  • Built-ins
  • Harness
  • Intl402
  • Language
  • Staging

performance

test262 runtime over time

test262 runtime over timeDuration in minutes for the latest available main-branch test262 CI result for each day.0.0 min5.7 min11.5 min17.2 min23.0 minMay 20May 25Jun 2Jun 7Jun 12Jun 16Jun 18

groups

Top-level test groups

Built-ins

79.0%

18,683 passed / 23,643 run

Harness

100.0%

116 passed / 116 run

Intl402

30.6%

1,024 passed / 3,341 run

Language

97.3%

23,061 passed / 23,711 run

Staging

61.7%

915 passed / 1,482 run

coverage extremes

Grouped by test262 path

Groups use the first two path segments and include at least 25 attempted tests.

Five least covered groups

GroupPass ratePassing
built-ins/ShadowRealm0.0%0 / 64
intl402/Temporal7.6%155 / 2,029
intl402/DurationFormat32.7%36 / 110
intl402/ListFormat44.4%36 / 81
built-ins/SharedArrayBuffer49.0%51 / 104