---
title: "ECMAScript Compatibility - GocciaScript"
description: "Live test262 compatibility summary generated from the same data as the GocciaScript compatibility dashboard."
---

# ECMAScript Compatibility

This is the concise Markdown representation of the authoritative GocciaScript compatibility page. It is generated from the same published main-branch test262 data as the HTML dashboard; it is not a second scorecard.

The overall corpus pass rate describes this pinned test262 run. Read the top-level groups separately when evaluating core language, built-ins, ECMA-402, or staging coverage.

## Latest main-branch result

- Overall test262 corpus pass rate: **99.8%** (52,220 passed / 52,342 run)
- Failed: 105
- Timeouts: 17
- Wrapper infrastructure failures: 0
- Commit: `3a5c305d`
- CI run: [#876](https://github.com/frostney/GocciaScript/actions/runs/30736550025)
- Run date: 2026-08-02

### Top-level test262 groups

| Group | Pass rate | Passing |
|-------|-----------|---------|
| built-ins | 100.0% | 23,666 / 23,668 |
| harness | 100.0% | 116 / 116 |
| intl402 | 99.6% | 3,344 / 3,357 |
| language | 100.0% | 23,710 / 23,719 |
| staging | 93.4% | 1,384 / 1,482 |

## Links

- [Open the dashboard](/compatibility)
- [test262 harness docs](/docs/test262)
- [CI workflow](https://github.com/frostney/GocciaScript/actions/workflows/ci.yml)

The dashboard and this Markdown alternate build the view from published Vercel Blob reports with CDN caching. The dashboard remains the canonical human-facing page.