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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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### Function Functions are self-contained blocks of code with their own scope, that can be called by other code and are usually associated with a unique identifier. Functions accept input in the form of arguments and can optionally return an output (if no `return` statement is present, the default value of `undefined` will be returned instead). JavaScript functions are also objects.