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30-seconds-of-code

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A collection of useful JavaScript snippets.

github.com/30-seconds/30-seconds-of-code

30-seconds/30-seconds-of-code

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### Functor A Functor is a data type common in functional programming that implements a `map` method. The `map` method takes a function and applies it to the data in the Functor, returning a new instance of the Functor with the result. JavaScript `Array`s are an example of the Functor data type.