Clone this repo:
  1. 7bb4cd8 Merge pull request #1010 from rwaldron/dstr-binding_for-await-of by Leo Balter · 2 days ago master
  2. 5b2ffd2 Generate tests by Rick Waldron · 2 days ago
  3. 684449a for-await-of: dstr-binding templates by Rick Waldron · 2 days ago
  4. 6fc8082 Merge pull request #963 from leobalter/prop-descs by Rick Waldron · 2 days ago
  5. f77a406 Update links to the specs (#1005) by Leo Balter · 3 days ago

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

Test262 tests conformance to the continually maintained draft future ECMAScript standard found at , 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.

Contributing to Test262


  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


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