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What exactly are streams? Streams are collections of data — just like arrays or strings. The difference is that streams might not be available all at once, and they don’t have to fit in memory. This makes streams really powerful when working with large amounts of data, or data that’s coming from an external source one chunk at a time. However, streams are not only about working with big data. Th..

The Child Processes Module We can easily spin a child process using Node’s child_process module and those child processes can easily communicate with each other with a messaging system. The child_process module enables us to access Operating System functionalities by running any system command inside a, well, child process. We can control that child process input stream, and listen to its output..

Setting Up An Express Server To get started working with a Node.js project you will need to run npm init -y. This will create a basic package.json file with all of the default values filled in for you. From there the next thing to do is install Express by running npm i express. Lastly, we need to create a server.js file with the following code. const express = require('express') const app = expr..

node -v - to know if we downloaeded node and check out the version. node - it makes command line to use it as a JavaScript. CTRL + C *2 makes out of the node. node [JavaScript File Name without .js] runs the JavaScript file.

Node allows us to use the JavaScript. V8 Engine compiles JavaScript into machine code it connects between machine and javascript because it's written in C++ Node does this for us. The Role of Node.js Benefits of Node.js If you are familiar with JavaScript, you don't have to worry about what language to learn. Can share coe between front and back end Node.js has a massive community behind it. Hug..