diff options
Diffstat (limited to 'railties/guides/source/debugging_rails_applications.textile')
| -rw-r--r-- | railties/guides/source/debugging_rails_applications.textile | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/railties/guides/source/debugging_rails_applications.textile b/railties/guides/source/debugging_rails_applications.textile index 07c6f6b65d..35069f33ad 100644 --- a/railties/guides/source/debugging_rails_applications.textile +++ b/railties/guides/source/debugging_rails_applications.textile @@ -96,21 +96,23 @@ Will be rendered as follows: Title: Rails debugging guide </pre> -h4. Debugging JavaScript +h4. Debugging RJS -Rails has built-in support to debug RJS. To enable it, add the following in the +Rails::Initializer do |config|+ block inside +environment.rb+: +Rails has optional built-in support to debug RJS. When enabled, responses are wrapped in a try/catch block that displays the caught exception using +alert()+, and then re-raises it. + +The flag to enable RJS debugging in your configuration files is +config.action_view.debug_rjs+: <ruby> -config.action_view[:debug_rjs] = true +config.action_view.debug_rjs = true </ruby> -Or, at any time, set +ActionView::Base.debug_rjs+ to true: +or at any time setting +ActionView::Base.debug_rjs+: <ruby> ActionView::Base.debug_rjs = true </ruby> -This will specify that RJS responses should be wrapped in a try/catch block that displays the caught exception using +alert()+ (and then re-raises it). +It is enabled by default in development mode, and disabled in the rest. TIP: For more information on debugging JavaScript, refer to "Firebug":http://getfirebug.com/, the popular debugger for Firefox. |