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Using Array reduce
14.5.2019
Every developer who specializes in any programming language will tell you there’s a powerful tool the language provides that they rarely use and wish they knew more about. For me, it’s Array.prototype.reduce. I quite enjoy the other Array methods like map, filter, and find, but reduce...
The Circle of a React Lifecycle
23.4.2019
A React component goes through different phases as it lives in an application, though it might not be evident that anything is happening behind the scenes.
Those phases are:
mounting
updating
unmounting
error handling
There are methods in each of these phases that make it possible to perform...
An Illustrated (and Musical) Guide to Map, Reduce, and Filter Array Methods
26.3.2019
Map, reduce, and filter are three very useful array methods in JavaScript that give developers a ton of power in a short amount of space. Let’s jump right into how you can leverage (and remember how to use!) these super handy methods.
Array.map()
Array.map() updates each individual value in...
JavaScript Proxy
26.2.2019
I’ve always loved the flexibility of Objects and prototypes in JavaScript, but for a long time, I felt that a level of dynamism was lacking. JavaScript eventually added get and set methods for object properties, which was an awesome step, but there was still room for improvement....
How to use console in node.js
11.2.2019
Introduction
In this article, we'll learn how to use most methods available in the nodeJS console class more effectively.
To demonstrate, I'll use Chrome browser version 70
JavaScript Glossary: Array .push() Method
8.2.2019
Basics
This methods appends one or more value to the last position of an array. This method mutates the array returning the new length of the array.
let
The Ultimate Guide to JavaScript Algorithms: Finding the Most Recurring Character
23.1.2019
In this challenge, we will be dealing with strings, arrays and objects. We will learn to manipulate these data types using various methods that'd bring us to a working solution in the end.
E
Algorithmic Layouts
10.1.2019
Don't miss this video by Heydon that digs into CSS layouts. It's great how he combines fundamental knowledge, like the way elements flow, wrap, and can have margin with new layout methods like flexbox and grid (with specific examples). Of particular note is the clear demonstration of how flexbox...
Coding Exercise: Build JavaScript Array Methods From Scratch
27.11.2018
https://www.youtube.com/watch?v=ALYH5XOvMwI
There's no better way to ensure that you understand how something works than building yo
Object.fromEntries
9.11.2018
The Object object has been buffed with useful methods over the past few years. Object.keys, Object.values, Object.freeze, and Object.assign all address frequently desired functionality. One of the new Object methods is fromEntries, which accepts a Map or map-like array nesting and converts it...
JavaScript Functional Programming (Solution to Code Challenge #11)
22.6.2018
Tried the code challenge #11? In that, we delved into solving basic array problems using array methods s