What is exports and prototype in Javascript?

Question

I am new to Javascript and am seeing a lot of usage of exports and prototype in the code that I read. What are they mainly used for and how do they work?

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Answer 1

This video explains node.js module.exports and here is a resource which describes JavaScript prototype.

Answer 2

Exports is used to make parts of your module available to scripts outside the module. So when someone uses require like below in another script:

var sys = require("sys");  

They can access any functions or properties you put in module.exports

The easiest way to understand prototype in your example is that Server is a class that inherits all of the methods of HTTPSServer. prototype is one way to achieve class inheritance in javascript.