Object Oriented questions in Javascript

Question

I\'ve been using javascript for a while, but have never learned the language past the basics. I am reading John Resig\'s \"Pro Javascript Techniques\" - I\'m coming up with

Answer 1

You seem to have some good answers here but you might like to look at this question: best-approach-to-member-variables-in-object-oriented-javascript. This was my answer which describes the differences and similaries.