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?

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

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

Instance method String#evalJSON():

What object is informed about every AJAX request?

After editing your browser script to work with Prototype extensions, what coding can you add to the end to make it function more solidly?

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

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

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

Class method String#gsub:

Which PrototypeJS method of functions have become a native method of functions?