What is this code construct wrapping the parts of a library and what is it useful for?

It’s a module pattern. You’ll see many variants of that pattern, so it’s essential to understand what really happens, you can’t just imitate one. The point of this piece of code is to complete an object c (typically your global library). You probably have many similar pieces of code in your application, all building pieces … Read more

Strict Violation using this keyword and revealing module pattern

JSHint has an option called validthis, which: […] suppresses warnings about possible strict violations when the code is running in strict mode and you use this in a non-constructor function […], when you are positive that your use of this is valid in strict mode. Use it in the function that JSHint is complaining about, … Read more

JavaScript design pattern: difference between module pattern and revealing module pattern?

There are at least three different ways to implement the Module Pattern, but the Revealing Module Pattern is the only Module Pattern descendant that has an official name. The Basic Module Pattern The Module Pattern must satisfy the following: Private members live in the closure. Public members are exposed in the return object. But there’s … Read more

Javascript: Module Pattern vs Constructor/Prototype pattern?

Constructor-functions and prototypes are one of the reasonable ways to implement classes and instances. They don’t quite correspond to that model so you typically need to choose a particular scheme or helper method to implement classes in terms of prototypes. (Some background on classes in JS.) The module pattern is typically used for namespacing, where … Read more

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