Enable subword mode in js2 mode

emacs/.emacs.d/init.org

@@ -1189,6 +1189,13 @@ Computing Environment".
     (setq js2-strict-trailing-comma-warning nil)
   #+END_SRC
 
+  Enable ~subword-mode~ because a lot of JavaScript identifiers look
+  either like =someIdentifier= or =SomeClassName=.
+
+  #+BEGIN_SRC emacs-lisp
+    (add-hook 'js2-mode-hook 'subword-mode)
+  #+END_SRC
+
 * Applications
 
   - [[file:init/dired-init.org][Dired]] :: The Emacs file manager. Very powerful, and I don't use it