Functions in JavaScript are one of many reasons some developers hate the language. But JavaScript functions are simply misunderstood little creatures! Once you get to know them, you won’t fear them and would even love them and all their little quirks.
So in this article and the next ones, we will go back to basics and enter the different world of JavaScript and its functions. What they are, how do they work, how they can be invoked, what are closures, what are function constructors and how do they work with prototypal inheritance? And what the hell is functional programming?
Well first, today let’s see what functions actually are in JavaScript.

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