From 096fa1b60f537c7c30db35f5576ab351c67a5064 Mon Sep 17 00:00:00 2001
From: Xavier Noria <fxn@hashref.com>
Date: Thu, 24 Mar 2011 23:43:37 +0100
Subject: jQuery is the new default

---
 railties/guides/source/layouts_and_rendering.textile | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'railties/guides')

diff --git a/railties/guides/source/layouts_and_rendering.textile b/railties/guides/source/layouts_and_rendering.textile
index 1548da0eb5..8ea63f2ce3 100644
--- a/railties/guides/source/layouts_and_rendering.textile
+++ b/railties/guides/source/layouts_and_rendering.textile
@@ -707,18 +707,28 @@ To include +http://example.com/main.js+:
 <%= javascript_include_tag "http://example.com/main.js" %>
 </erb>
 
-The +defaults+ option loads the Prototype and Scriptaculous libraries:
+The +:defaults+ option loads jQuery by default:
 
 <erb>
 <%= javascript_include_tag :defaults %>
 </erb>
 
-The +all+ option loads every JavaScript file in +public/javascripts+, starting with the Prototype and Scriptaculous libraries:
+If the application was generated with "-j prototype" <tt>:defaults</tt> loads Prototype and Scriptaculous. And you can in any case override the expansion in <tt>config/application.rb</tt>:
+
+<ruby>
+config.action_view.javascript_expansions[:defaults] = %w(foo.js bar.js)
+</ruby>
+
+When using <tt>:defaults</tt>, if an <tt>application.js</tt> file exists in <tt>public/javascripts</tt> it will be included as well at then end.
+
+The +:all+ option loads every JavaScript file in +public/javascripts+:
 
 <erb>
 <%= javascript_include_tag :all %>
 </erb>
 
+Note that your defaults of choice will be included first, so they will be available to all subsequently included files.
+
 You can supply the +:recursive+ option to load files in subfolders of +public/javascripts+ as well:
 
 <erb>
-- 
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