js nodes, update CHANGES and rename variable

CHANGES

@@ -15,10 +15,10 @@ Incompatible changes
 * #9672: the signature of
   :py:meth:`domains.py.PyObject.get_signature_prefix` has changed to
   return a list of nodes instead of a plain string.
-* ``domains.js.JSObject.display_prefix`` has been changed into a method
+* #9695: ``domains.js.JSObject.display_prefix`` has been changed into a method
   ``get_display_prefix`` which now returns a list of nodes
   instead of a plain string.
-* The rendering of Javascript domain declarations is implemented
+* #9695: The rendering of Javascript domain declarations is implemented
   with more docutils nodes to allow better CSS styling.
   It may break existing styling.
 
@@ -36,7 +36,7 @@ Features added
   for :rst:dir:`c:function` and :rst:dir:`c:macro`.
 * C++, added new info-field ``retval`` for :rst:dir:`cpp:function`.
 * #9672: More CSS classes on Python domain descriptions
-* More CSS classes on Javascript domain descriptions
+* #9695: More CSS classes on Javascript domain descriptions
 
 Bugs fixed
 ----------

sphinx/domains/javascript.py

@@ -97,14 +97,14 @@ class JSObject(ObjectDescription[Tuple[str, str]]):
         if display_prefix:
             signode += addnodes.desc_annotation('', '', *display_prefix)
 
-        actualPrefix = None
+        actual_prefix = None
         if prefix:
-            actualPrefix = prefix
+            actual_prefix = prefix
         elif mod_name:
-            actualPrefix = mod_name
-        if actualPrefix:
+            actual_prefix = mod_name
+        if actual_prefix:
             addName = addnodes.desc_addname('', '')
-            for p in actualPrefix.split('.'):
+            for p in actual_prefix.split('.'):
                 addName += addnodes.desc_sig_name(p, p)
                 addName += addnodes.desc_sig_punctuation('.', '.')
             signode += addName