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The concept of encapsulation is familiar to most programmers. Put simply it is bringing data and the methods that operate on it together under a single namespace (or object)[1]. This article will showcase a few ways to encapsulate data, which in Javascript is quite important as many scripts may be rendered on a single page with little or no knowledge of one another. We we will take a quick tour of the prototype/constructor pattern, then follow up with the popular (and my favorite) module pattern.



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