Two new methods on and off are the new way of declaring event handlers. bind, delegate and live area deprecated...

There are several options, but most of them are impractical. The best way is to use the :ruby filter:

After starting the Rails server in a freshly generated Rails 3.1 project you could see an error message such as...

Using the jQuery adapter breaks the built-in save function of CKEditor. Phenomenon: The page is submitted correctly, but the...

If you want to know the exact hits on your website (or whatever logfile you want) for a specific date...

The most common use case for Ruby's #collect is to call a method on each list element and collect...

Single step and slow motion for Cucumber scenarios can come in handy, especially in @javascript scenarios. # features/support/examiners.rb AfterStep('@slow_motion...

When cucumber encounters a failing step in a @javascript feature, the selenium browser window instantly closes. Sometimes you do not...

ExecJS lets you run JavaScript code from Ruby. It automatically picks the best runtime available to evaluate your JavaScript program...

These methods are available to you: page.driver.browser.switch_to.alert.accept page.driver.browser.switch_to.alert.dismiss page.driver.browser.switch_to.alert.text # the confirmation text Spreewald gives you steps like these:

jQuery as new default Javascript library, streaming response support, attr_accessible with roles, prepared statements, easier migrations.

Detecting if a Javascript is running under Selenium WebDriver is super-painful. It's much easier to detect the current...

Chosen is a JavaScript plugin that makes long, unwieldy select boxes much more user-friendly. It is currently available in...

Under the same origin policy, a web page served from server1.example.com cannot normally connect to or communicate with a server...

Cross-Origin Resource Sharing (CORS) is a browser technology specification, which defines ways for a web service to provide interfaces...

The Javascript code below is a rough equivalent to the simple_format helper that ships with Rails: function simpleFormat(str...

In Rails 2, you could use link_to_remote...

...:update => 'id' to automatically replace the content of $('#id').

Free Hoptoad/Airbrake alternative which can capture exceptions from any platform. It comes with a Rails notifier and a RESTful API...

When you double-tap a string of text on an iPhone or iPad a complicated context menu for copying and...

Here are some popular mistakes when using nested forms: You are using fields_for instead of form.fields_for.

You can say: $(element).is(':visible') and $(element).is(':hidden') jQuery considers an element to be visible if it...

When CoffeeScript was added to Rails 3.1 they forgot one very important part, the ability to use it when responding...