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Diffstat (limited to 'railties/guides/source/debugging_rails_applications.textile')
| -rw-r--r-- | railties/guides/source/debugging_rails_applications.textile | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/railties/guides/source/debugging_rails_applications.textile b/railties/guides/source/debugging_rails_applications.textile index 26aee82ae1..35069f33ad 100644 --- a/railties/guides/source/debugging_rails_applications.textile +++ b/railties/guides/source/debugging_rails_applications.textile @@ -96,23 +96,25 @@ 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 active it, set +ActionView::Base.debug_rjs+ to _true_, this will specify whether RJS responses should be wrapped in a try/catch block that alert()s the caught exception (and then re-raises it). +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. -To enable it, add the following in the +Rails::Initializer do |config|+ block inside +environment.rb+: +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, setting +ActionView::Base.debug_rjs+ to _true_: +or at any time setting +ActionView::Base.debug_rjs+: <ruby> ActionView::Base.debug_rjs = true </ruby> -TIP: For more information on debugging javascript refer to "Firebug":http://getfirebug.com/, the popular debugger for Firefox. +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. h3. The Logger |