Class method String#gsub:

Which class serves a purpose of creation an observer on an element that listens for a particular event, that element's descendants?

The 'onSuccess' callback for any of the Ajax method will auto-convert responses to JSON if what takes place?

When using Element#on as opposed to Element#observe, what is different about its return value?

-background-color'.camelize(); returns:

How would you loop over an array of elements (myArray) and set the value of each element to '1'?

Instance method String#evalJSON():

Do Element.Layout#get and Element#measure work together?

Select the wrong JavaScript-related MIME-types that handled by Prototype

If you wanted to extend all elements with an additional method to do 'foo' and you have already created the method foo() how would you add it?

Internet Explorer doesn't allow the extension of what onto NodeList.prototype?