When using data from an untrusted source, it should be sanitized. What does this entail?

If your data is not an instance of an object and you invoke the toJSON method, where should the syntax: toJSON() be located in the string?

What is the alternative of Element.extend() function in Prototype?

You have a class that inherits from a parent class. How do you call a parent version of a class method from within a child class method of the same name?

The actual Ajax requests are made by creating instances of

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

Why would it be beneficial to use an array in Prototype?

What is the subclass of Ajax.Request, if any?

Despite DOM elements having Prototype extensions built-in, will they function in Internet Explorer?

$w is responsible for?

DOM methods are mostly encapsulated by what object?