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JavaScript

8 JavaScript concepts for beginners with examples
JavaScript

8 JavaScript concepts for beginners with examples

ByRooney June 24, 2018

This post will teach you the basics of JavaScript concepts. If you are a beginner you should learn these steps before continuing with intermediate concepts. 1. How to execute your JavaScript code The most common way JavaScript is executed is through your browser. When the HTML gets downloaded from the server, there will be JavaScript…

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What is Node.js used for?
JavaScript

What is Node.js used for?

ByRooney May 30, 2018June 2, 2018

You may have heard about Node.js, but what is it? And what is Node.js used for? When should I use it? Node.js is mostly used as a backend web server which exposes API’s your front end can communicate with.  A Node.js application can do things like: Open/write files on the server. Adding, deleting and getting…

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What is callback hell? With JavaScript examples
JavaScript

What is callback hell? With JavaScript examples

ByRooney May 21, 2018June 2, 2018

When you are talking to JavaScript developers, they might complain about the pains with Callback hell. Then you might be wondering: “What the hell is callback hell”? In this article, I will try to explain what it is with some example code to go along with it. In short, callback hell means that you have…

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