Skip to content


Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Improved JavaScript editing mode for GNU Emacs
Emacs Lisp

About Build Status

Improved JavaScript editing mode for GNU Emacs (description here).

For some of the latest changes, see latest user-visible changes.


The stable versions are hosted at GNU ELPA (M-x list-packages).

You can also install the latest development version from Melpa.

Emacs 22 and 23

This version requires Emacs 24 and cl-lib (either built-in or from GNU ELPA above). For a backward compatible version, check out the branch emacs23.


Please report problems at


js2-mode is subject to the same copyright assignment policy as Emacs itself, org-mode, CEDET and other packages in GNU ELPA.

Any legally significant contributions can only be accepted after the author has completed their paperwork. Please ask for the request form, and we'll send it to you.

See Also

Some third-party modes that use the generated syntax tree:

Something went wrong with that request. Please try again.