The dollar sign method $() returns what?

What is JSON's meaning and purpose?

Which of these is NOT a namespace in PrototypeJS? Event Abstract Number Ajax Enumerable Class Hash

The IE properties, offsetWidth and clientHeight along with computed CSS are able to measure elements. Why not use them?

If you want to create a hash, which utility would you use?

Instance method String#extractScripts():

After being encapsulated by Element.Methods, what object is it copied over to?

Is it required to use Element#on exclusively?

If you want to create a distribution tarball in the pkg/ directory, what package would you run?

Which class serves the purpose of sophisticated string interpolation?

Here is a snapcode: ' bmw, bugatti & luxury'.scan(/\w+/, alert); How many alert dialongs will you see after executing given snapcode?