Concepts to help developers master JavaScript

33 Concepts Every JavaScript Developer Should Know

Introduction

This repository was created with the intention of helping developers master their concepts in JavaScript. It is not a requirement, but a guide for future studies. It is based on an article written by Stephen Curtis and you can read it here . Feel free to contribute.

Table of Contents

• Value Types and Reference Types
• Implicit, Explicit, Nominal, Structuring and Duck Typing
• Function Scope, Block Scope and Lexical Scope
• Expression vs Statement
• IIFE, Modules and Namespaces
• Message Queue and Event Loop
• setTimeout, setInterval and requestAnimationFrame
• Expensive Operation and Big O Notation
• Binary, Hex, Dec, Scientific Notation
• Bitwise Operators, Type Arrays and Array Buffers
• new, Constructor, instanceof and Instances
• Prototype Inheritance and Prototype Chain
• Object.create and Object.assign
• Factories and Classes
• Pure Functions, Side Effects and State Mutation
• Abstract Data Structures
• Inheritance, Polymorphism and Code Reuse
• Partial Functions, Currying, Compose and Pipe
• this, call, apply and bind

Call Stack

Articles

• :scroll: Understanding Javascript Call Stack, Event Loops — Gaurav Pandvia
• :scroll: Understanding the JavaScript Call Stack — Charles Freeborn
• :scroll: Javascript: What Is The Execution Context? What Is The Call Stack? — Valentino Gagliardi
• :scroll: What is the JS Event Loop and Call Stack? — Jess Telford
• :scroll: Call Stack — MDN
• :scroll: Understanding Execution Context and Execution Stack in Javascript — Sukhjinder Arora
• :scroll: How JavaScript Works: An Overview of the Engine, the Runtime, and the Call Stack — Alexander Zlatkov

Videos

• :movie_camera: Javascript: the Call Stack explained — Coding Blocks India
• :movie_camera: The JS Call Stack Explained In 9 Minutes — Colt Steele
• :movie_camera: JavaScript Execution Stack — Codecademy
• :movie_camera: What is the Call Stack? — Eric Traub
• :movie_camera: The Call Stack — Kevin Drumm
• :movie_camera: Understanding JavaScript Execution — Codesmith
• :movie_camera: Call Stack & Event Loop — movies com

Primitive Types

Articles

• :scroll: How numbers are encoded in JavaScript — Dr. Axel Rauschmayer
• :scroll: What You Need to Know About JavaScript Number Type — Max Wizard K
• :scroll: What Every JavaScript Developer Should Know About Floating Point Numbers — Chewxy
• :scroll: The Secret Life of JavaScript Primitives — Angus Croll
• :scroll: Primitive Types — Flow
• :scroll: (Not) Everything in JavaScript is an Object - Daniel Li

Videos

• :movie_camera: JavaScript Reference vs Primitive Types — Academind
• :movie_camera: JavaScript Primitive Types — Simon Sez IT
• :movie_camera: Javascript Primitive and Reference Types — Baljeet Singh
• :movie_camera: Value Types and Reference Types in JavaScript — Programming with Mosh
• :movie_camera: JavaScript Primitive Data Types — Avelx

Value Types and Reference Types

Articles

• :scroll: Explaining Value vs. Reference in Javascript — Arnav Aggarwal
• :scroll: Understand Value and Reference Types in JavaScript — Zsolt Nagy
• :scroll: Primitive Types & Reference Types in JavaScript — Bran van der Meer
• :scroll: Value Types, Reference Types and Scope in JavaScript — Ben Aston
• :scroll: Back to roots: JavaScript Value vs Reference — Miro Koczka
• :scroll: Grasp “By Value” and “By Reference” in JavaScript — Léna Faure
• :scroll: JavaScript Reference and Copy Variables — Vítor Capretz
• :scroll: JavaScript Primitive vs Reference Values

Videos

• :movie_camera: Javascript Pass by Value vs Pass by Reference — techsith
• :movie_camera: JavaScript Value vs Reference Types — Programming with Mosh

Implicit, Explicit, Nominal, Structuring and Duck Typing

Articles

• :scroll: What you need to know about Javascript's Implicit Coercion — Promise Tochi
• :scroll: JavaScript Type Coercion Explained — Alexey Samoshkin
• :scroll: Javascript Coercion Explained — Ben Garrison
• :scroll: What exactly is Type Coercion in Javascript? - Stack Overflow
• :scroll: You Don't Know JS: Types & Grammar [Book] — Kyle Simpson
• :scroll: (Not) Everything in JavaScript is an Object - Daniel Li

== vs === vs typeof

Articles

• :scroll: JavaScript Double Equals vs. Triple Equals — Brandon Morelli
• :scroll: What is the difference between =, ==, and === in JS? — Codecademy
• :scroll: Should I use === or == equality comparison operator in JavaScript? — Panu Pitkamaki
• :scroll: == vs === JavaScript: Double Equals and Coercion — AJ Meyghani
• :scroll: Why Use the Triple-Equals Operator in JavaScript? — Louis Lazaris
• :scroll: What is the difference between == and === in JavaScript? — Craig Buckler
• :scroll: Why javascript's typeof always return "object"? — Stack Overflow
• :scroll: Checking Types in Javascript — Toby Ho
• :scroll: How to better check data types in JavaScript — Webbjocke

Videos

• :movie_camera: JavaScript - The typeof operator — Java Brains
• :movie_camera: Javascript typeof operator — DevDelight

Function Scope, Block Scope and Lexical Scope

Articles

• :scroll: You Don't Know JS: Scope & Closures [Book] — Kyle Simpson
• :scroll: The battle between Function Scope and Block Scope — Marius Herring
• :scroll: Emulating Block Scope in JavaScript — Josh Clanton
• :scroll: The Difference Between Function and Block Scope in JavaScript — Joseph Cardillo
• :scroll: Function Scopes and Block Scopes in JavaScript — Samer Buna
• :scroll: Understanding Scope and Context in JavaScript | Ryan Morr
• :scroll: JavaScript Scope and Closures — Zell Liew
• :scroll: Understanding Scope in JavaScript — Wissam Abirached
• :scroll: Speaking JavaScript - Variables: Scopes, Environments, and Closures — Dr. Axel Rauschmayer
• :scroll: Understanding Scope in JavaScript ― Hammad Ahmed

Videos

• :movie_camera: What Makes Javascript Weird ... and Awesome pt. 4 — LearnCode.academy
• :movie_camera: Variable Scope in JavaScript — Kirupa Chinnathambi
• :movie_camera: JavaScript Block Scope and Function Scope — mmtuts
• :movie_camera: What the Heck is Lexical Scope? — NWCalvank

Expression vs Statement

Articles

• :scroll: All you need to know about Javascript's Expressions, Statements and Expression Statements — Promise Tochi
• :scroll: Function Expressions vs Function Declarations — Paul Wilkins
• :scroll: JavaScript Function — Declaration vs Expression — Ravi Roshan
• :scroll: Function Declarations vs. Function Expressions — Mandeep Singh
• :scroll: Function Declarations vs. Function Expressions — Anguls Croll

Videos

• :movie_camera: Expressions vs. Statements in JavaScript — Hexlet
• :movie_camera: JavaScript - Expression vs. Statement — WebTunings

Hoisting

Articles

• :scroll: Understanding Hoisting in JavaScript ― Elizabeth Mabishi
• :scroll: JavaScript: What is Hoisting? ― Brandon Morelli
• :scroll: Understanding Hoisting in JavaScript ― Victor Ofoegbu
• :scroll: Scoping and Hoisting in JavaScript ― Naveen Karippai
• :scroll: Hoisting in JavaScript ― Ankush Chatterjee
• :scroll: Hoisting in JavaScript: a Quick Guide ― Léna Faure
• :scroll: A guide to JavaScript variable hoisting :triangular_flag_on_post: with let and const ― Bhuvan Malik
• :scroll: Function Hoisting & Hoisting Interview Questions ― Bhuvan Malik
• :scroll: Understanding Variables, Scope, and Hoisting in JavaScript ― Tania Rascia
• :scroll: Javascript hoisting, var, let and const variables ― Vojtech Ruzicka

Videos

• :movie_camera: Hoisting in JavaScript Explained ― mmtuts
• :movie_camera: Hoisting - Beau teaches JavaScript ― freeCodeCamp
• :movie_camera: Hoisting in JavaScript Explained in (About) 5 Minutes ― 5-Minute Web Dev
• :movie_camera: JavaScript Hoisting Explained ―Pretty Printed
• :movie_camera: JavaScript is Easy: What is Hoisting? ― MakingDevelopers

IIFE, Modules and Namespaces

Articles

• :scroll: Mastering Immediately-Invoked Function Expressions ― Chandra Gundamaraju
• :scroll: Do ES6 Modules make the case of IIFEs obsolete?
• :scroll: A 10 minute primer to JavaScript modules, module formats, module loaders and module bundlers ― Jurgen Van de Moere
• :scroll: 16. Modules ― Exploring JS
• :scroll: ES modules: A cartoon deep-dive — Lin Clark
• :scroll: Understanding ES6 Modules — Craig Buckler
• :scroll: An overview of ES6 Modules in JavaScript — Brent Graham
• :scroll: ES6 Modules in Depth — Nicolás Bevacqua
• :scroll: ES6 modules, Node.js and the Michael Jackson Solution — Alberto Gimeno

Videos

• :movie_camera: Immediately Invoked Function Expression - Beau teaches JavaScript — freeCodeCamp
• :movie_camera: Understanding JavaScript IIFE
• :movie_camera: JavaScript Modules: ES6 Import and Export — Kyle Robinson
• :movie_camera: ES6 - Modules — Ryan Christiani
• :movie_camera: ES6 Modules in the Real World — Sam Thorogood
• :movie_camera: ES6 Modules — TempleCoding

Message Queue and Event Loop

Articles

• :scroll: JavaScript Event Loop Explained — Anoop Raveendran
• :scroll: The JavaScript Event Loop: Explained — Erin Sweson-Healey
• :scroll: What is the Event Loop in Javascript — WP Tutor.io
• :scroll: Understanding JS: The Event Loop — Alexander Kondov
• :scroll: Understanding the JavaScript Event Loop — Ashish Gupta
• :scroll: Event Loop in Javascript — Manjula Dube
• :scroll: The JavaScript Event Loop — Flavio Copes
• :scroll: How JavaScript works: Event loop — Alexander Zlatkov

Videos

• :movie_camera: What the heck is the event loop anyway? | JSConf EU — Philip Roberts
• :movie_camera: JavaScript Event Loop — ComScience Simplified
• :movie_camera: I'm stuck in an Event Loop — Philip Roberts

setTimeout, setInterval and requestAnimationFrame

Articles

• :scroll: setTimeout and setInterval — JavaScript.Info
• :scroll: Why not to use setInterval — Akanksha Sharma
• :scroll: setTimeout VS setInterval — Develoger
• :scroll: Using requestAnimationFrame — Chris Coyier
• :scroll: Understanding JavaScript's requestAnimationFrame() — JavaScript Kit

Videos

• :movie_camera: Javascript: How setTimeout and setInterval works — Coding Blocks India
• :movie_camera: setTimeout and setInterval in JavaScript — techsith
• :movie_camera: JavaScript Timers — Steve Griffith
• :movie_camera: JavaScript setTimeout, setInterval & clearInterval — DoingITeasyChannel
• :movie_camera: JavaScript setTimeOut and setInterval Explained — Theodore Anderson

Expensive Operation and Big O Notation

Articles

• :scroll: Big O Notation in Javascript — César Antón Dorantes
• :scroll: Time Complexity/Big O Notation — Tim Roberts
• :scroll: Big O in JavaScript — Gabriela Medina
• :scroll: Big O Search Algorithms in JavaScript — Bradley Braithwaite
• :scroll: Time Complexity Analysis in JavaScript — Jennifer Bland
• :scroll: Algorithms in plain English: time complexity and Big-O Notation — Michael Olorunnisola

Videos

• :movie_camera: JavaScript: Intro to Big O Notation and Function Runtime — Eric Traub
• :movie_camera: Essential Big O for JavaScript Developers — Dave Smith
• :movie_camera: Big O Notation - Time Complexity Analysis — WebTunings

JavaScript Engines

Articles

• :scroll: JavaScript Engines — Jen Looper
• :scroll: Understanding How the Chrome V8 Engine Translates JavaScript into Machine Code — DroidHead
• :scroll: Understanding V8’s Bytecode — Franziska Hinkelmann
• :scroll: How the V8 engine works? — Thibault Laurens
• :scroll: A Brief History of Google’s V8 Javascript Engine — Clair Smith

Videos

• :movie_camera: JavaScript Engines: The Good Parts™ — Mathias Bynens & Benedikt Meurer

Binary, Hex, Dec, Scientific Notation

Articles

• :scroll: Displaying numbers in JavaScript ― Dr. Axel Rauschmayer
• :scroll: JavaScript Number Formats: As Easy As 1-2-3! ― Michael Churchman
• :scroll: Numbers ― JavaScript.Info
• :scroll: Speaking JavaScript Chapter 11. Numbers [Book] ― Dr. Axel Rauschmayer

Bitwise Operators, Type Arrays and Array Buffers

Articles

• :scroll: Programming with JS: Bitwise Operations — Alexander Kondov
• :scroll: Using JavaScript’s Bitwise Operators in Real Life — ian m
• :scroll: JavaScript Bitwise Operators — w3resource
• :scroll: Bitwise Operators in Javascript — Joe Cha
• :scroll: A Comprehensive Primer on Binary Computation and Bitwise Operators in Javascript — Paul Brown

Videos

• :movie_camera: JavaScript Bitwise Operators — Programming with Mosh

DOM and Layout Trees

Articles

• :scroll: How To Understand and Modify the DOM in JavaScript — Tania Rascia
• :scroll: JavaScript DOM Tutorial with Example — Guru99
• :scroll: What is the DOM? — Chris Coyier
• :scroll: Traversing the DOM with JavaScript — Zell Liew
• :scroll: Eloquent JavaScript [Book] — The Document Object Model
• :scroll: DOM Tree
• :scroll: Render Tree Construction — Ilya Grigorik

Videos

• :movie_camera: JavaScript DOM — The Net Ninja
• :movie_camera: JavaScript DOM Crash Course — Traversy Media

new, Constructor, instanceof and Instances

Articles

• :scroll: JavaScript For Beginners: the ‘new’ operator — Brandon Morelli
• :scroll: Let’s demystify JavaScript’s ‘new’ keyword — Cynthia Lee
• :scroll: Constructor, operator "new" — JavaScript.Info
• :scroll: Understanding JavaScript Constructors — Faraz Kelhini
• :scroll: Use Constructor Functions — Openclassrooms
• :scroll: Beyond typeof and instanceof : simplifying dynamic type checks — Dr. Axel Rauschmayer
• :scroll: What Is the Instanceof Operator in JavaScript — appendTo
• :scroll: JavaScript instanceof vs typeof — Gary Rafferty
• :scroll: Function and Object, instances of each other — Kiro Risk

Prototype Inheritance and Prototype Chain

Articles

• :scroll: Javascript : Prototype vs Class — Valentin PARSY
• :scroll: JavaScript engine fundamentals: optimizing prototypes — Mathias Bynens
• :scroll: JavaScript Prototype — NC Patro
• :scroll: Prototype in Javascript — Sandeep Ranjan
• :scroll: Prototypes in JavaScript — Rupesh Mishra
• :scroll: Prototype in JavaScript: it’s quirky, but here’s how it works — Pranav Jindal
• :scroll: Inheritance and the prototype chain — MDN
• :scroll: Master the JavaScript Interview: What’s the Difference Between Class & Prototypal Inheritance? — Eric Elliott
• :scroll: Understanding JavaScript: Prototype and Inheritance — Alexander Kondov
• :scroll: Prototypal Inheritance — JavaScript.Info
• :scroll: How To Work with Prototypes and Inheritance in JavaScript — Tania Rascia
• :scroll: Master JavaScript Prototypes & Inheritance — Arnav Aggarwal
• :scroll: You Don't Know JS [Book] Chapter 5: Prototypes — Kyle Simpson
• :scroll: JavaScript’s Prototypal Inheritance Explained Using CSS — Nash Vail
• :scroll: Prototypal Inheritance in JavaScript — Jannis Redmann
• :scroll: Classical and Prototypical Inheritance in JavaScript — Danny Cornelisse
• :scroll: Demystifying ES6 Classes And Prototypal Inheritance ― Neo Ighodaro
• :scroll: Intro To Prototypal Inheritance — Dharani Jayakanthan
• :scroll: Classes in JavaScript - Explained — Daniel Li

Videos

• :movie_camera: Javascript Prototype Inheritance — Avelx
• :movie_camera: JavaScript Prototype Inheritance Explained pt. I — techsith
• :movie_camera: JavaScript Prototype Inheritance Explained pt. II — techsith
• :movie_camera: JavaScript Prototype Inheritance Explained — Kyle Robinson
• :movie_camera: Advanced Javascript - Prototypal Inheritance In 1 Minute
• :movie_camera: An Overview Of Classical Javascript Classes and Prototypal Inheritance — Pentacode
• :movie_camera: Object Oriented JavaScript - Prototype — The Net Ninja
• :movie_camera: Prototype in JavaScript — kudvenkat
• :movie_camera: JavaScript Using Prototypes — O'Reilly

Object.create and Object.assign

Articles

• :scroll: Object.create() — MDN
• :scroll: Object.create in JavaScript — Rupesh Mishra
• :scroll: Object.create(): the New Way to Create Objects in JavaScript — Rob Gravelle
• :scroll: Basic Inheritance with Object.create — Joshua Clanton
• :scroll: Object.create() In JavaScript — GeeksforGeeks
• :scroll: Understanding the difference between Object.create() and the new operator — Jonathan Voxland
• :scroll: JavaScript Object Creation: Patterns and Best Practices — Jeff Mott
• :scroll: Dealing With Objects in JavaScript With Object.assign, Object.keys and hasOwnProperty
• :scroll: Copying Objects in JavaScript ― Orinami Olatunji
• :scroll: Object.assign() — MDN
• :scroll: JavaScript: Object.assign() — Thiago S. Adriano

Videos

• :movie_camera: Object.assign() explained — Aaron Writes Code
• :movie_camera: Object.assign() Method — techsith

Factories and Classes

Articles

• :scroll: How To Use Classes in JavaScript — Tania Rascia
• :scroll: Javascript Classes — Under The Hood — Majid
• :scroll: ES6 Classes — Nathaniel Foster
• :scroll: Better JavaScript with ES6, Pt. II: A Deep Dive into Classes ― Peleke Sengstacke
• :scroll: Understand the Factory Design Pattern in Plain JavaScript — Aditya Agarwal
• :scroll: JavaScript Factory Functions vs Constructor Functions vs Classes — Eric Elliott
• :scroll: JavaScript Factory Functions with ES6+ — Eric Elliott
• :scroll: Factory Functions in JavaScript — Josh Miller
• :scroll: The Factory Pattern in JS ES6 — SnstsDev
• :scroll: Class vs Factory function: exploring the way forward — Cristi Salcescu

Videos

• :movie_camera: JavaScript Factory Functions — Programming with Mosh
• :movie_camera: Factory Functions in JavaScript — Fun Fun Function
• :movie_camera: Javascript Tutorial Function Factories — Crypto Chan

Memoization

Articles

• :scroll: How to use Memoize to cache JavaScript function results and speed up your code — Divyanshu Maithani
• :scroll: Understanding JavaScript Memoization In 3 Minutes — Codesmith
• :scroll: Implementing Memoization in JavaScript — Colin Ihrig
• :scroll: JS Memoization — Artur Arsalanov
• :scroll: Memoization in JavaScript — Zsolt Nagy
• :scroll: JavaScript Closures, Memoization and Factories — Juan Cortés
• :scroll: Memoization with Pure Functions in ES6 — Jonathan Schapiro
• :scroll: JavaScript Function Memoization — In Lehman's Terms

Videos

• :movie_camera: JavaScript Simple Memoization Example — Theodore Anderson
• :movie_camera: Introduction to Memoization in Javascript — PentaCode

Pure Functions, Side Effects and State Mutation

Articles

• :scroll: Javascript and Functional Programming — Pure Functions — Omer Goldberg
• :scroll: Master the JavaScript Interview: What is a Pure Function? — Eric Elliott
• :scroll: JavaScript: What Are Pure Functions And Why Use Them? — James Jeffery
• :scroll: Pure functions in JavaScript — @nicoespeon
• :scroll: Functional Programming: Pure Functions — Arne Brasseur
• :scroll: Pure Functions In Javascript — Krunal
• :scroll: Making your JavaScript Pure — Jack Franklin
• :scroll: To mutate, or not to mutate, in JavaScript
• :scroll: Arrays, Objects and Mutations — Federico Knüssel
• :scroll: The State of Immutability — Maciej Sikora
• :scroll: How to deal with dirty side effects in your pure functional JavaScript — James Sinclair
• :scroll: Preventing Side Effects in JavaScript — David Walsh

Videos

• :movie_camera: Pure Functions — Hexlet
• :movie_camera: Pure Functions - Functional Programming in JavaScript — Paul McBride
• :movie_camera: JavaScript Pure Functions — Seth Alexander

map, reduce, filter

Articles

• :scroll: JavaScript Functional Programming — map, filter and reduce — Bojan Gvozderac
• :scroll: Learn map, filter and reduce in Javascript — João Miguel Cunha
• :scroll: JavaScript’s Map, Reduce, and Filter — Dan Martensen
• :scroll: How to Use Map, Filter, & Reduce in JavaScript — Peleke Sengstacke
• :scroll: JavaScript — Learn to Chain Map, Filter, and Reduce — Brandon Morelli
• :scroll: Javascript data structure with map, reduce, filter and ES6 — Deepak Gupta
• :scroll: Understanding map, filter and reduce in Javascript — Luuk Gruijs
• :scroll: Functional Programming in JS: map, filter, reduce (Pt. 5) — Omer Goldberg
• :scroll: JavaScript: Map, Filter, Reduce — William S. Vincent
• :scroll: Arrow Functions: Fat and Concise Syntax in JavaScript — Kyle Pennell
• :scroll: JavaScript: Arrow Functions for Beginners — Brandon Morelli
• :scroll: When (and why) you should use ES6 arrow functions — and when you shouldn’t — Cynthia Lee
• :scroll: JavaScript — Learn & Understand Arrow Functions — Brandon Morelli
• :scroll: (JavaScript )=> Arrow functions — sigu

Videos

• :movie_camera: Map, Filter and Reduce — Lydia Hallie
• :movie_camera: Functional JavaScript: Map, forEach, Reduce, Filter — Theodore Anderson
• :movie_camera: JavaScript Array superpowers: Map, Filter, Reduce (part I) — Michael Rosata
• :movie_camera: JavaScript Array superpowers: Map, Filter, Reduce (part 2) — Michael Rosata
• :movie_camera: JavaScript Higher Order Functions - Filter, Map, Sort & Reduce — Epicop
• :movie_camera: [Array Methods 2/3] .filter + .map + .reduce — CodeWithNick
• :movie_camera: Arrow functions in JavaScript - What, Why and How — Fun Fun Function

Closures

Articles

• :scroll: Closures — MDN
• :scroll: I never understood JavaScript closures — Olivier De Meulder
• :scroll: Closure — JavaScript.Info
• :scroll: Understand JavaScript Closures With Ease — Richard Bovell
• :scroll: Understanding JavaScript Closures — Codesmith
• :scroll: Understand Closures in JavaScript — Brandon Morelli
• :scroll: A simple guide to help you understand closures in JavaScript — Prashant Ram
• :scroll: Understanding JavaScript Closures: A Practical Approach — Paul Upendo
• :scroll: Understanding JavaScript: Closures — Alexander Kondov
• :scroll: How to use JavaScript closures with confidence — Léna Faure
• :scroll: JavaScript closures by example — tyler

Videos

• :movie_camera: Javascript Closure — techsith
• :movie_camera: Closures — Fun Fun Function
• :movie_camera: Closures in JavaScript — techsith
• :movie_camera: JavaScript Closures 101: What is a closure? — JavaScript Tutorials
• :movie_camera: Closures — freeCodeCamp
• :movie_camera: JavaScript Closures — CodeWorkr

High Order Functions

Articles

• :scroll: Higher-Order Functions — Eloquent JavaScript [Book]
• :scroll: Higher-Order Functions in JavaScript — M. David Green
• :scroll: Higher Order Functions: Using Filter, Map and Reduce for More Maintainable Code — Guido Schmitz
• :scroll: First-class and Higher Order Functions: Effective Functional JavaScript — Hugo Di Francesco
• :scroll: Higher Order Functions in JavaScript — John Hannah
• :scroll: Higher-order Functions — Richard Bovell
• :scroll: Higher Order Functions in JavaScript — Zsolt Nagy
• :scroll: Fun With Higher Order Functions In JavaScript — Derick
• :scroll: Just a reminder on how to use high order functions — Pedro Filho
• :scroll: How to use JavaScript closures with confidence — Léna Faure
• :scroll: JavaScript closures by example — tyler

Videos

• :movie_camera: JavaScript Higher Order Functions & Arrays — Traversy Media
• :movie_camera: Higher Order Functions — Fun Fun Function
• :movie_camera: Higher Order Functions in Javascript — Raja Yogan
• :movie_camera: Higher Order Iterators in JavaScript — Fun Fun Function
• :movie_camera: Higher Order Functions in JavaScript — The Coding Train

Abstract Data Structures

Articles

• :scroll: Data Structures in JavaScript — Thon Ly
• :scroll: Algorithms and Data Structures in JavaScript — Oleksii Trekhleb
• :scroll: Data Structures: Objects and Arrays ― Chris Nwamba
• :scroll: Data structures in JavaScript — Benoit Vallon
• :scroll: Playing with Data Structures in Javascript — Anish K.
• :scroll: The Little Guide of Queue in JavaScript — Germán Cutraro
• :scroll: All algorithms writing with JavaScript in the book 'Algorithms Fourth Edition'
• :scroll: Collection of classic computer science paradigms in JavaScript
• :scroll: All the things you didn't know you wanted to know about data structures

Videos

• :movie_camera: Algorithms in JavaScript — Seth Koch
• :movie_camera: Algorithms In Javascript | Ace Your Interview — Eduonix Learning Solutions
• :movie_camera: Data Structures and Algorithms in JavaScript — freeCodeCamp

Recursion

Articles

• :scroll: Recursion in JavaScript — Kevin Ennis
• :scroll: Understanding Recursion in JavaScript — Zak Frisch
• :scroll: Learn and Understand Recursion in JavaScript — Brandon Morelli
• :scroll: Recursion in Functional JavaScript — M. David Green
• :scroll: Programming with JS: Recursion — Alexander Kondov
• :scroll: Anonymous Recursion in JavaScript — simo
• :scroll: Recursion, iteration and tail calls in JS — loverajoel
• :scroll: Understanding Recursion in JavaScript with Confidence — Jay

Videos

• :movie_camera: Recursion In JavaScript — techsith
• :movie_camera: Recursion — Fun Fun Function
• :movie_camera: Recursion and Recursive Functions — Hexlet
• :movie_camera: Recursion: Recursion() - JS Monthly — Lucas da Costa
• :movie_camera: Recursive Function in JavaScript — kudvenkat

Algorithms

Articles

• :scroll: Data Structures and Algorithms using ES6
• :scroll: Algorithms and data structures implemented in JavaScript with explanations and links to further readings
• :scroll: JS: Interview Algorithm
• :scroll: Algorithms in JavaScript — Thon Ly
• :scroll: JavaScript Objects, Square Brackets and Algorithms — Dmitri Grabov
• :scroll: Atwood's Law applied to CS101 - Classic algorithms and data structures implemented in JavaScript
• :scroll: Data Structures and Algorithms library in JavaScript
• :scroll: Collection of computer science algorithms and data structures written in JavaScript

Inheritance, Polymorphism and Code Reuse

Articles

• :scroll: Class inheritance, super — JavaScript.Info
• :scroll: Inheritance in JavaScript — MDN
• :scroll: Inheritance in JavaScript — Rupesh Mishra
• :scroll: Simple Inheritance with JavaScript — David Catuhe
• :scroll: JavaScript — Inheritance, delegation patterns and Object linking — NC Patro
• :scroll: Object Oriented JavaScript: Polymorphism with examples — Knoldus Blogs
• :scroll: Program Like Proteus — A beginner’s guide to polymorphism in Javascript — Sam Galson
• :scroll: Object-oriented JavaScript: A Deep Dive into ES6 Classes — Jeff Mott

Videos

• :movie_camera: Inheritance in JavaScript — kudvenkat
• :movie_camera: JavaScript ES6 Classes and Inheritance — Traversy Media
• :movie_camera: Polymorphism in JavaScript — kudvenkat

Design Patterns

Articles

• :scroll: 4 JavaScript Design Patterns You Should Know — Devan Patel
• :scroll: JavaScript Design Patterns – Beginner's Guide to Mobile Web Development — Soumyajit Pathak
• :scroll: JavaScript Design Patterns — Akash Pal
• :scroll: Javascript Design Patterns: What They Are & How To Use Them — Patrick Simpson
• :scroll: All the 23 (GoF) design patterns implemented in Javascript — Felipe Beline

Partial Functions, Currying, Compose and Pipe

Articles

• :scroll: Composition and Currying Elegance in JavaScript — Pragyan Das
• :scroll: The beauty in Partial Application, Currying, and Function Composition — Joel Thoms
• :scroll: Functional JavaScript: Function Composition For Every Day Use — Joel Thoms
• :scroll: Functional Composition: compose() and pipe() — Anton Paras
• :scroll: Use function composition in JavaScript — Rémi
• :scroll: Why The Hipsters Compose Everything: Functional Composing In JavaScript — A. Sharif
• :scroll: A Gentle Introduction to Functional JavaScript pt III: Functions for making functions — James Sinclair
• :scroll: Curry And Compose (why you should be using something like ramda in your code) — jsanchesleao
• :scroll: Function Composition in JavaScript with Pipe — Andy Van Slaars
• :scroll: Practical Functional JavaScript with Ramda — Andrew D'Amelio, Yuri Takhteyev

Videos

• :movie_camera: Compose vs Pipe: Functional Programming in JavaScript — Chyld Studios
• :movie_camera: JavaScript Functional Programing: Compose — Theodore Anderson
• :movie_camera: Function Composition - Functional JavaScript — NWCalvank
• :movie_camera: JavaScript Function Composition Explained — Theodore Anderson
• :movie_camera: Let's code with function composition — Fun Fun Function

this, call, apply and bind

Articles

• :scroll: How-to: call() , apply() and bind() in JavaScript — Niladri Sekhar Dutta
• :scroll: JavaScript’s Apply, Call, and Bind Methods are Essential for JavaScript Professionals — Richard Bovell
• :scroll: WTF is this - Understanding the this keyword, call, apply, and bind in JavaScript — Tyler McGinnis
• :scroll: Javascript: call(), apply() and bind() — Omer Goldberg
• :scroll: The difference between call / apply / bind — Ivan Sifrim
• :scroll: call(), apply() and bind() methods in JavaScript
• :scroll: Mastering 'this' in JavaScript: Callbacks and bind(), apply(), call() — Michelle Gienow
• :scroll: JavaScript’s apply, call, and bind explained by hosting a cookout — Kevin Kononenko
• :scroll: How AND When to use bind, call, and apply in Javascript — Eigen X
• :scroll: JavaScript .bind() vs .apply() and .call() — Hack Sparrow
• :scroll: call() — MDN
• :scroll: bind() — MDN
• :scroll: apply() — MDN
• :scroll: What is 'this' in JavaScript? — Daniel Li

Videos

• :movie_camera: JavaScript call, apply and bind — techsith
• :movie_camera: JavaScript Practical Applications of Call, Apply and Bind functions— techsith
• :movie_camera: JavaScript (call, bind, apply) — curious aatma

Clean Code

Articles

• :scroll: Clean Code concepts adapted for JavaScript — Ryan McDermott
• :scroll: JavaScript Clean Coding Best Practices — András Tóth
• :scroll: Function parameters in JavaScript Clean Code — Kevin Peters
• :scroll: Clean Code JavaScript — Sarah Drasner
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