Friday, January 17, 2020
functions in javascript

Intro to Functions in Javascript

Functions are “self contained” modules of code that accomplish a specific task. Functions usually “take in” data, process it, and “return” a result. Once a function is written, it can be...

Vanilla JS, back to basics — Part. 1: variable scope

Who has never been in front of a JavaScript code w/ a WTF effect in certain situations? In this series of articles, we will return to basics by discovering the essential...

Learn modern JavaScript in this free 28-part Scrimba course

As a part of our collaboration with freeCodeCamp, their eminent instructor Beau Carnes has turned their entire ES6 curriculum into an interactive Scrimba course which you can watch today. As you might know, ES6 is...
javascripts arrays

Two Ways to Merge Arrays in JavaScript

Here are two ways to combine your arrays and return a NEW array. I like using the Spread operator. But if you need older browser support, you should use Concat. // 2 Ways...

How to write your own map, filter and reduce functions in JavaScript

Whenever I hear about functional programming, the first thing that comes into my mind is higher order functions. To the folks who don’t know about higher order functions, here’s what Wikipedia...
javascript es10

The Complete Guide to ES10 Features

ES10 is still just a draft. But most features have already been implemented in Chrome, except Object.fromEntries, so why not start exploring it early? You’ll be ahead of the curve when...

JavaScript async/await: The Good Part, Pitfalls and How to Use

The async/await introduced by ES7 is a fantastic improvement in asynchronous programming with JavaScript. It provided an option of using synchronous style code to access resoruces asynchronously, without blocking the main thread. However...
JavaScript Skills

12 Concepts That Will Level Up Your JavaScript Skills

JavaScript is a complex language. If you’re a JavaScript developer at any level, it’s important to understand its foundational concepts. This article tackles 12 concepts that are critical for any JS...

How JavaScript promises actually work from the inside out

One of the most important questions I faced in interviews was how promises are implemented. Since async/await is becoming more popular, you need to understand promises. What is a Promise? A promise is an...
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PROGRAMING

JavaScript async/await: The Good Part, Pitfalls and How to Use

The async/await introduced by ES7 is a fantastic improvement in asynchronous programming with JavaScript. It provided an option of using synchronous style code to access resoruces...

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