Remove observe_field :on option as prototype no longer supports it [#1088 state:resolved]

1 files changed, 0 insertions, 11 deletions

diff --git a/actionpack/lib/action_view/helpers/prototype_helper.rb b/actionpack/lib/action_view/helpers/prototype_helper.rb
index 7fab3102e7..18a209dcea 100644
--- a/actionpack/lib/action_view/helpers/prototype_helper.rb
+++ b/actionpack/lib/action_view/helpers/prototype_helper.rb
@@ -531,11 +531,6 @@ module ActionView
       #                       is shorthand for
       #                         :with => "'name=' + value"
       #                       This essentially just changes the key of the parameter.
-      # <tt>:on</tt>::        Specifies which event handler to observe. By default,
-      #                       it's set to "changed" for text fields and areas and
-      #                       "click" for radio buttons and checkboxes. With this,
-      #                       you can specify it instead to be "blur" or "focus" or
-      #                       any other event.
       #
       # Additionally, you may specify any of the options documented in the
       # <em>Common options</em> section at the top of this document.
@@ -548,11 +543,6 @@ module ActionView
       #     :url => 'http://example.com/books/edit/1',
       #     :with => 'title'
       #
-      #   # Sends params: {:book_title => 'Title of the book'} when the focus leaves
-      #   # the input field.
-      #   observe_field 'book_title',
-      #     :url => 'http://example.com/books/edit/1',
-      #     :on => 'blur'
       #
       def observe_field(field_id, options = {})
         if options[:frequency] && options[:frequency] > 0
@@ -1094,7 +1084,6 @@ module ActionView
         javascript << "#{options[:frequency]}, " if options[:frequency]
         javascript << "function(element, value) {"
         javascript << "#{callback}}"
-        javascript << ", '#{options[:on]}'" if options[:on]
         javascript << ")"
         javascript_tag(javascript)
       end