 
 
 (defcustom preferred-javascript-mode
-  (first (remove-if-not #'fboundp '(js2-mode js3-mode)))
+  (first (remove-if-not #'fboundp '(js2-mode js-mode)))
   "Javascript mode to use for .js files."
   :type 'symbol
   :group 'programming
-  :options '(js2-mode js3-mode js-mode))
+  :options '(js2-mode js-mode))
 (defvar preferred-javascript-indent-level 2)
 
 ;; Need to first remove from list if present, since elpa adds entries too, which

      js2-bounce-indent-p nil)

(eval-after-load 'js2-mode '(js2-imenu-extras-setup))

;; js3-mode
(add-hook 'js3-mode-hook '(lambda () (setq mode-name "JS3")))
(setq js3-auto-indent-p t
      js3-enter-indents-newline t
      js3-indent-on-enter-key t
      js3-indent-level preferred-javascript-indent-level)

;; js-mode
(setq js-indent-level preferred-javascript-indent-level)

(require-package 'json)
(when (>= emacs-major-version 24)
  (require-package 'js2-mode)
  (require-package 'ac-js2))
