diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb
index 6eda23a9a3..a19ba7a968 100644
--- a/actionpack/lib/action_view/helpers/javascript_helper.rb
+++ b/actionpack/lib/action_view/helpers/javascript_helper.rb
@@ -58,7 +58,7 @@ module ActionView
         end
       end
 
-      alias_method :escape_javascript, :j
+      alias_method :j, :escape_javascript
 
       # Returns a JavaScript tag with the +content+ inside. Example:
       #   javascript_tag "alert('All is good')"
diff --git a/actionpack/test/template/javascript_helper_test.rb b/actionpack/test/template/javascript_helper_test.rb
index 2e7484afaf..8aa2730da1 100644
--- a/actionpack/test/template/javascript_helper_test.rb
+++ b/actionpack/test/template/javascript_helper_test.rb
@@ -27,6 +27,7 @@ class JavaScriptHelperTest < ActionView::TestCase
     assert_equal %(This \\"thing\\" is really\\n netos\\'), escape_javascript(%(This "thing" is really\n netos'))
     assert_equal %(backslash\\\\test), escape_javascript( %(backslash\\test) )
     assert_equal %(dont <\\/close> tags), escape_javascript(%(dont </close> tags))
+    assert_equal %(dont <\\/close> tags), j(%(dont </close> tags))
   end
 
   def test_button_to_function