test262/README.md

Test262 is the official ECMAScript (ECMA-262) conformance suite.

Test262 tests conformance to the continually maintained draft future ECMAScript standard found at http://tc39.github.io/ecma262/ , together with any Stage 3 or later TC39 proposals. It is maintained by Tom Care (@tcare) and Leo Balter (@leobalter) with significant contributions from many in the ECMAScript community.

This project is also described by the Ecma Technical Report 104.

Contributing to Test262

See CONTRIBUTING.md

1. Sign the Test262 CLA.
2. Send a pull request. Please make sure you have one commit per pull request. If you have multiple commits, squash them before sending the pull request.

Running Test262

See INTERPRETING.md

There are a number of volunteer-maintained projects that may be used to execute Test262 in various ECMAScript hosts:

• https://github.com/bterlson/test262-harness (platform: Node.js)
• https://github.com/test262-utils/test262-harness-py (platform: Python)
• https://bakkot.github.io/test262-web-runner/ (platform: web)