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We will be working in Javascript. What are some of the unusual aspects of this language?
For more information on Javascript, you may want to consult Douglas Crockford's "Javascript: the Good Parts", as well as You Don't Know JS -- particularly the parts about variable scope.
Review Javascript Object Notation. JSON will be one of our primary methods of reading data files, but it is also a good way of learning about how to write literal values of arrays and objects.