Expanding on the first tip, this is a pretty good piece on scope and execution context in javascript - http://davidshariff.com/blog/what-is-the-execution-conte

Expanding on the first tip, this is a pretty good piece on scope and execution context in javascript - http://davidshariff.com/blog/what-is-the-execution-context-in-javascript/ http://davidshariff.com/blog/what-is-the-execution-context-i...