Method "on()" of Event class can be used to set up event handlers, with or without event delegation. What is not true about Event.on?

Which callback takes precedence: on<HTTP RESPONSE CODE>, onFailure, or onSuccess?

What property stores the active Ajax requests?

To use JSON with AJAX, what must be invoked on the transport's responseText property?

DOM methods are mostly encapsulated by what object?

$w is responsible for?

How would you remove a class named 'removeclass' from an element?

What object is used to parse JSON?

(42).toPaddedString(4) returns what?

Evaluate the following statement: Hash is a set of key/value pairs with Element.Layout subclass. For convenience a developer can use #H() alias.

The actual Ajax requests are made by creating instances of