Back to TC39




To ensure the ECMAScript® (JavaScriptTM) security model is effective for the constantly evolving threat landscape of today and tomorrow.

Programme of work:

  1. To assess the security impacts of proposals to TC39.
  2. To produce documentation on the ECMAScript® security model.
  3. To introduce proposals that will help developers create secure programs.
  4. To recommend a committee response to privately disclosed security issues.
  5. To maintain best practices or recommendations for writing secure programs.
  6. To monitor the changing threat landscape for popular embeddings.


Convenor group:
Chris de Almeida (IBM)
Jordan Harband

Secretaries: Samina Husain (Ecma International), Istvan Sebestyen (Ecma International)