📜 33 JavaScript concepts every developer should know.
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    <br>
  33 Concepts Every JavaScript Developer Should Know
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## 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](https://twitter.com/stephenthecurt) and you can read it [here](https://medium.com/@stephenthecurt/33-fundamentals-every-javascript-developer-should-know-13dd720a90d1).

**🚀 Considered by GitHub as one of the [top open source projects of 2018!](https://blog.github.com/2018-12-13-new-open-source-projects/)**

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---

## <a id="table-of-contents">Table of Contents</a>

1. **[Call Stack](#1-call-stack)**
2. **[Primitive Types](#2-primitive-types)**
3. **[Value Types and Reference Types](#3-value-types-and-reference-types)**
4. **[Implicit, Explicit, Nominal, Structuring and Duck Typing](#4-implicit-explicit-nominal-structuring-and-duck-typing)**
5. **[== vs === vs typeof](#5--vs--vs-typeof)**
6. **[Function Scope, Block Scope and Lexical Scope](#6-function-scope-block-scope-and-lexical-scope)**
7. **[Expression vs Statement](#7-expression-vs-statement)**
8. **[IIFE, Modules and Namespaces](#8-iife-modules-and-namespaces)**
9. **[Message Queue and Event Loop](#9-message-queue-and-event-loop)**
10. **[setTimeout, setInterval and requestAnimationFrame](#10-settimeout-setinterval-and-requestanimationframe)**
11. **[JavaScript Engines](#11-javascript-engines)**
12. **[Bitwise Operators, Type Arrays and Array Buffers](#12-bitwise-operators-type-arrays-and-array-buffers)**
13. **[DOM and Layout Trees](#13-dom-and-layout-trees)**
14. **[Factories and Classes](#14-factories-and-classes)**
15. **[this, call, apply and bind](#15-this-call-apply-and-bind)**
16. **[new, Constructor, instanceof and Instances](#16-new-constructor-instanceof-and-instances)**
17. **[Prototype Inheritance and Prototype Chain](#17-prototype-inheritance-and-prototype-chain)**
18. **[Object.create and Object.assign](#18-objectcreate-and-objectassign)**
19. **[map, reduce, filter](#19-map-reduce-filter)**
20. **[Pure Functions, Side Effects, State Mutation and Event Propagation](#20-pure-functions-side-effects-state-mutation-and-event-propagation)**
21. **[Closures](#21-closures)**
22. **[High Order Functions](#22-high-order-functions)**
23. **[Recursion](#23-recursion)**
24. **[Collections and Generators](#24-collections-and-generators)**
25. **[Promises](#25-promises)**
26. **[async/await](#26-asyncawait)**
27. **[Data Structures](#27-data-structures)**
28. **[Expensive Operation and Big O Notation](#28-expensive-operation-and-big-o-notation)**
29. **[Algorithms](#29-algorithms)**
30. **[Inheritance, Polymorphism and Code Reuse](#30-inheritance-polymorphism-and-code-reuse)**
31. **[Design Patterns](#31-design-patterns)**
32. **[Partial Applications, Currying, Compose and Pipe](#32-partial-applications-currying-compose-and-pipe)**
33. **[Clean Code](#33-clean-code)**

---

## 1. Call Stack

### Reference

- 📜 [Call Stack — MDN](https://developer.mozilla.org/en-US/docs/Glossary/Call_stack)

### Articles

- 📜 [Understanding Javascript Call Stack, Event Loops — Gaurav Pandvia](https://medium.com/@gaurav.pandvia/understanding-javascript-function-executions-tasks-event-loop-call-stack-more-part-1-5683dea1f5ec)
- 📜 [Understanding the JavaScript Call Stack — Charles Freeborn](https://medium.freecodecamp.org/understanding-the-javascript-call-stack-861e41ae61d4)
- 📜 [Javascript: What Is The Execution Context? What Is The Call Stack? — Valentino Gagliardi](https://web.archive.org/web/20180701233338/https://www.valentinog.com/blog/js-execution-context-call-stack/)
- 📜 [What is the JS Event Loop and Call Stack? — Jess Telford](https://gist.github.com/jesstelford/9a35d20a2aa044df8bf241e00d7bc2d0)
- 📜 [Understanding Execution Context and Execution Stack in Javascript — Sukhjinder Arora](https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0)
- 📜 [How JavaScript Works: An Overview of the Engine, the Runtime, and the Call Stack — Alexander Zlatkov](https://blog.sessionstack.com/how-does-javascript-actually-work-part-1-b0bacc073cf)
- 📜 [How JavaScript Works Under The Hood: An Overview of JavaScript Engine, Heap and, Call Stack — Bipin Rajbhar](https://dev.to/bipinrajbhar/how-javascript-works-under-the-hood-an-overview-of-javascript-engine-heap-and-call-stack-1j5o)

### Videos

- 🎥 [Javascript: the Call Stack explained — Coding Blocks India](https://www.youtube.com/watch?v=w6QGEiQceOM)
- 🎥 [The JS Call Stack Explained In 9 Minutes — Colt Steele](https://www.youtube.com/watch?v=W8AeMrVtFLY)
- 🎥 [What is the Call Stack? — Eric Traub](https://www.youtube.com/watch?v=w7QWQlkLY_s)
- 🎥 [The Call Stack — Kevin Drumm](https://www.youtube.com/watch?v=Q2sFmqvpBe0)
- 🎥 [Understanding JavaScript Execution — Codesmith](https://www.youtube.com/watch?v=Z6a1cLyq7Ac&list=PLWrQZnG8l0E4kd1T_nyuVoxQUaYEWFgcD)
- 🎥 [The Ultimate Guide to Execution Contexts, Hoisting, Scopes, and Closures in JavaScript — Tyler McGinnis](https://www.youtube.com/watch?v=Nt-qa_LlUH0)
- 🎥 [What the heck is the event loop anyway? — Philip Roberts](https://www.youtube.com/watch?v=8aGhZQkoFbQ)
- 🎥 [La PILA DE EJECUCIÓN (Call Stack) de JavaScript — La Cocina del Código](https://www.youtube.com/watch?v=ygA5U7Wgsg8)
- 🎥 [How JavaScript Code is executed? ❤️& Call Stack — Akshay Saini](https://www.youtube.com/watch?v=iLWTnMzWtj4&list=PLlasXeu85E9cQ32gLCvAvr9vNaUccPVNP)

**[⬆ Back to Top](#table-of-contents)**

---

## 2. Primitive Types

### Reference

- 📜 [JavaScript data types and data structures — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Primitive_values)

### Articles

- 📜 [Primitive and Non-primitive data-types in JavaScript - GeeksforGeeks](https://www.geeksforgeeks.org/primitive-and-non-primitive-data-types-in-javascript)
- 📜 [How numbers are encoded in JavaScript — Dr. Axel Rauschmayer](http://2ality.com/2012/04/number-encoding.html)
- 📜 [What You Need to Know About JavaScript Number Type — Max Wizard K](https://indepth.dev/posts/1139/here-is-what-you-need-to-know-about-javascripts-number-type)
- 📜 [What Every JavaScript Developer Should Know About Floating Point Numbers — Chewxy](https://blog.chewxy.com/2014/02/24/what-every-javascript-developer-should-know-about-floating-point-numbers/)
- 📜 [The Secret Life of JavaScript Primitives — Angus Croll](https://javascriptweblog.wordpress.com/2010/09/27/the-secret-life-of-javascript-primitives/)
- 📜 [Primitive Types — Flow](https://flow.org/en/docs/types/primitives/)
- 📜 [(Not) Everything in JavaScript is an Object — Daniel Li](https://dev.to/d4nyll/not-everything-in-javascript-is-an-object)
- 📜 [JavaScript data types and data structures — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Primitive_values)
- 📜 [Diving Deeper in JavaScripts Objects — Arfat Salman](https://blog.bitsrc.io/diving-deeper-in-javascripts-objects-318b1e13dc12)
- 📜 [The differences between Object.freeze() vs Const in JavaScript — Bolaji Ayodeji](https://medium.com/@bolajiayodeji/the-differences-between-object-freeze-vs-const-in-javascript-4eacea534d7c)
- 📜 [Object to primitive conversion — JavaScript.info](https://javascript.info/object-toprimitive)

### Videos

- 🎥 [JavaScript Reference vs Primitive Types — Academind](https://www.youtube.com/watch?v=9ooYYRLdg_g)
- 🎥 [JavaScript Primitive Types — Simon Sez IT](https://www.youtube.com/watch?v=HsbWQsSCE5Y)
- 🎥 [Value Types and Reference Types in JavaScript — Programming with Mosh](https://www.youtube.com/watch?v=e-_mDyqm2oU)
- 🎥 [JavaScript Primitive Data Types — Avelx](https://www.youtube.com/watch?v=qw3j0A3DIzQ)
- 🎥 [Everything you never wanted to know about JavaScript numbers — Bartek Szopka](https://www.youtube.com/watch?v=MqHDDtVYJRI)
- 🎥 [What are variables in Javascript? — JS For Everyone](https://www.youtube.com/watch?v=B4Bbmei_thw)
- 🎥 [TIPOS DE DATOS PRIMITIVOS en JAVASCRIPT - La Cocina del Código](https://www.youtube.com/watch?v=cC65D2q5f8I)

**[⬆ Back to Top](#table-of-contents)**

---

## 3. Value Types and Reference Types

### Articles

- 📜 [Explaining Value vs. Reference in Javascript — Arnav Aggarwal](https://codeburst.io/explaining-value-vs-reference-in-javascript-647a975e12a0)
- 📜 [Primitive Types & Reference Types in JavaScript — Bran van der Meer](https://gist.github.com/branneman/7fb06d8a74d7e6d4cbcf75c50fec599c)
- 📜 [Value Types, Reference Types and Scope in JavaScript — Ben Aston](https://medium.com/@benastontweet/lesson-1b-javascript-fundamentals-380f601ba851)
- 📜 [Back to roots: JavaScript Value vs Reference — Miro Koczka](https://medium.com/dailyjs/back-to-roots-javascript-value-vs-reference-8fb69d587a18)
- 📜 [Grasp “By Value” and “By Reference” in JavaScript — Léna Faure](https://hackernoon.com/grasp-by-value-and-by-reference-in-javascript-7ed75efa1293)
- 📜 [JavaScript Reference and Copy Variables — Vítor Capretz](https://hackernoon.com/javascript-reference-and-copy-variables-b0103074fdf0)
- 📜 [JavaScript Primitive vs Reference Values](http://www.javascripttutorial.net/javascript-primitive-vs-reference-values/)
- 📜 [JavaScript by Reference vs. by Value — nrabinowitz](https://stackoverflow.com/questions/6605640/javascript-by-reference-vs-by-value)
- 📜 [JavaScript Interview Prep: Primitive vs. Reference Types — Mike Cronin](https://dev.to/mostlyfocusedmike/javascript-interview-prep-primitive-vs-reference-types-3o4f)
- 📜 [JavaScript map vs. forEach: When to Use Each One - Sajal Soni](https://code.tutsplus.com/tutorials/javascript-map-vs-foreach-when-to-use-each-one--cms-38365)

### Videos

- 🎥 [Javascript Pass by Value vs Pass by Reference — techsith](https://www.youtube.com/watch?v=E-dAnFdq8k8)
- 🎥 [JavaScript Value vs Reference Types — Programming with Mosh](https://www.youtube.com/watch?v=fD0t_DKREbE)
- 🎥 [VALORES vs REFERENCIAS en JAVASCRIPT - La Cocina del Código](https://www.youtube.com/watch?v=AvkyOrWkuQc)

**[⬆ Back to Top](#table-of-contents)**

---

## 4. Implicit, Explicit, Nominal, Structuring and Duck Typing

### Articles

- 📜 [What you need to know about Javascript's Implicit Coercion — Promise Tochi](https://dev.to/promhize/what-you-need-to-know-about-javascripts-implicit-coercion-e23)
- 📜 [JavaScript Type Coercion Explained — Alexey Samoshkin](https://medium.freecodecamp.org/js-type-coercion-explained-27ba3d9a2839)
- 📜 [Javascript Coercion Explained — Ben Garrison](https://hackernoon.com/javascript-coercion-explained-545c895213d3)
- 📜 [What exactly is Type Coercion in Javascript? - Stack Overflow](https://stackoverflow.com/questions/19915688/what-exactly-is-type-coercion-in-javascript)

### Videos

- 🎥 [== ? === ??? ...#@^% - Shirmung Bielefeld](https://www.youtube.com/watch?v=qGyqzN0bjhc&t)
- 🎥 [Coercion in Javascript - Hitesh Choudhary](https://www.youtube.com/watch?v=b04Q_vyqEG8)
- 🎥 [JavaScript Questions: What is Coercion? - Steven Hancock](https://www.youtube.com/watch?v=z4-8wMSPJyI)
- 🎥 [Typing: Static vs Dynamic, Weak vs. Strong - Codexpanse](https://www.youtube.com/watch?v=C5fr0LZLMAs)
- 🎥 [EL SISTEMA de TIPOS DE JAVASCRIPT - La Cocina del Código](https://www.youtube.com/watch?v=0ei4nb49GKo)

### Books

- [You Don't Know JS, 1st Edition: Types & Grammar — Kyle Simpson](https://github.com/getify/You-Dont-Know-JS/tree/1st-ed)

**[⬆ Back to Top](#table-of-contents)**

---

## 5. == vs === vs typeof

### Articles

- 📜 [JavaScript Double Equals vs. Triple Equals — Brandon Morelli](https://codeburst.io/javascript-double-equals-vs-triple-equals-61d4ce5a121a)
- 📜 [Should I use === or == equality comparison operator in JavaScript? — Panu Pitkamaki](https://bytearcher.com/articles/equality-comparison-operator-javascript/)
- 📜 [== vs === JavaScript: Double Equals and Coercion — AJ Meyghani](https://www.codementor.io/javascript/tutorial/double-equals-and-coercion-in-javascript)
- 📜 [Why Use the Triple-Equals Operator in JavaScript? — Louis Lazaris](https://www.impressivewebs.com/why-use-triple-equals-javascipt/)
- 📜 [What is the difference between == and === in JavaScript? — Craig Buckler](https://www.oreilly.com/learning/what-is-the-difference-between-and-in-javascript)
- 📜 [Why javascript's typeof always return "object"? — Stack Overflow](https://stackoverflow.com/questions/3787901/why-javascripts-typeof-always-return-object)
- 📜 [Checking Types in Javascript — Toby Ho](http://tobyho.com/2011/01/28/checking-types-in-javascript/)
- 📜 [How to better check data types in JavaScript — Webbjocke](https://webbjocke.com/javascript-check-data-types/)
- 📜 [Checking for the Absence of a Value in JavaScript — Tomer Aberbach](https://tomeraberba.ch/html/post/checking-for-the-absence-of-a-value-in-javascript.html)
- 📜 [Difference between == and === in JavaScript — GeeksforGeeks](https://www.geeksforgeeks.org/difference-between-double-equal-vs-triple-equal-javascript/)
- 📜 [=== vs == Comparision in JavaScript — FreeCodeCamp](https://www.freecodecamp.org/news/javascript-triple-equals-sign-vs-double-equals-sign-comparison-operators-explained-with-examples/)

### Videos

- 🎥 [JavaScript - The typeof operator — Java Brains](https://www.youtube.com/watch?v=ol_su88I3kw)
- 🎥 [Javascript typeof operator — DevDelight](https://www.youtube.com/watch?v=qPYhTPt_SbQ)
- 🎥 [JavaScript "==" VS "===" — Web Dev Simplified](https://www.youtube.com/watch?v=C5ZVC4HHgIg)

**[⬆ Back to Top](#table-of-contents)**

---

## 6. Function Scope, Block Scope and Lexical Scope

    ### <b>Books</b>

- [You Don't Know JS Yet, 2nd Edition: Scope & Closures — Kyle Simpson](https://github.com/getify/You-Dont-Know-JS/tree/2nd-ed/scope-closures)

    ### <b>Articles </b>

- 📜 [JavaScript Functions — Understanding The Basics — Brandon Morelli](https://codeburst.io/javascript-functions-understanding-the-basics-207dbf42ed99)
- 📜 [The battle between Function Scope and Block Scope — Marius Herring](http://www.deadcoderising.com/2017-04-11-es6-var-let-and-const-the-battle-between-function-scope-and-block-scope/)
- 📜 [Functions in JavaScript - Deepa Pandey](https://www.scaler.com/topics/javascript/javascript-functions/)
- 📜 [Emulating Block Scope in JavaScript — Josh Clanton](http://adripofjavascript.com/blog/drips/emulating-block-scope-in-javascript.html)
- 📜 [The Difference Between Function and Block Scope in JavaScript — Joseph Cardillo](https://medium.com/@josephcardillo/the-difference-between-function-and-block-scope-in-javascript-4296b2322abe)
- 📜 [Function Scopes and Block Scopes in JavaScript — Samer Buna](https://edgecoders.com/function-scopes-and-block-scopes-in-javascript-25bbd7f293d7)
- 📜 [Understanding Scope and Context in JavaScript — Ryan Morr](http://ryanmorr.com/understanding-scope-and-context-in-javascript/)
- 📜 [JavaScript Scope and Closures — Zell Liew](https://css-tricks.com/javascript-scope-closures/)
- 📜 [Understanding Scope in JavaScript — Wissam Abirached](https://developer.telerik.com/topics/web-development/understanding-scope-in-javascript/)
- 📜 [Understanding Scope in JavaScript ― Hammad Ahmed](https://scotch.io/tutorials/understanding-scope-in-javascript)
- 📜 [When to use a function declaration vs. a function expression ― Amber Wilkie](https://medium.freecodecamp.org/when-to-use-a-function-declarations-vs-a-function-expression-70f15152a0a0)
- 📜 [A JavaScript Fundamentals Cheat Sheet: Scope, Context, and “this” ― Alexandra Fren](https://dev.to/alexandrafren/a-javascript-fundamentals-cheat-sheet-scope-context-and-this-28ai)
- 📜 [Functions / Function scope ― MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Functions#function_scope)

### Videos

- 🎥 [What Makes Javascript Weird ... and Awesome pt. 4 — LearnCode.academy](https://www.youtube.com/watch?v=SBwoFkRjZvE)
- 🎥 [Variable Scope in JavaScript — Kirupa Chinnathambi](https://www.youtube.com/watch?v=dhp57T3p760)
- 🎥 [JavaScript Block Scope and Function Scope — mmtuts](https://www.youtube.com/watch?v=aK_nuUAdr8E)
- 🎥 [What the Heck is Lexical Scope? — NWCalvank](https://www.youtube.com/watch?v=GhNA0r10MmA)
- 🎥 [Variable Scope — Steve Griffith](https://www.youtube.com/watch?v=FyWdrCZZavQ)
- 🎥 [Javascript Tutorials for Beginners — Mosh Hemadani](https://www.youtube.com/watch?v=W6NZfCO5SIk)

**[⬆ Back to Top](#table-of-contents)**

---

## 7. Expression vs Statement

### Articles

- 📜 [All you need to know about Javascript's Expressions, Statements and Expression Statements — Promise Tochi](https://dev.to/promhize/javascript-in-depth-all-you-need-to-know-about-expressions-statements-and-expression-statements-5k2)
- 📜 [Function Expressions vs Function Declarations — Paul Wilkins](https://www.sitepoint.com/function-expressions-vs-declarations/)
- 📜 [JavaScript Function — Declaration vs Expression — Ravi Roshan](https://medium.com/@raviroshan.talk/javascript-function-declaration-vs-expression-f5873b8c7b38)
- 📜 [Function Declarations vs. Function Expressions — Mandeep Singh](https://medium.com/@mandeep1012/function-declarations-vs-function-expressions-b43646042052)
- 📜 [Function Declarations vs. Function Expressions — Anguls Croll](https://javascriptweblog.wordpress.com/2010/07/06/function-declarations-vs-function-expressions/)

### Videos

- 🎥 [Expressions vs. Statements in JavaScript — Hexlet](https://www.youtube.com/watch?v=WVyCrI1cHi8)
- 🎥 [The difference between an expression and a statement in JavaScript](https://youtu.be/eWTuFoBYiwg)

**[⬆ Back to Top](#table-of-contents)**

---

## 8. IIFE, Modules and Namespaces

### Articles

- 📜 [Mastering Immediately-Invoked Function Expressions ― Chandra Gundamaraju](https://medium.com/@vvkchandra/essential-javascript-mastering-immediately-invoked-function-expressions-67791338ddc6)
- 📜 [Do ES6 Modules make the case of IIFEs obsolete?](https://hashnode.com/post/do-es6-modules-make-the-case-of-iifes-obsolete-civ96wet80scqgc538un20es0)
- 📜 [A 10 minute primer to JavaScript modules, module formats, module loaders and module bundlers ― Jurgen Van de Moere](https://www.jvandemo.com/a-10-minute-primer-to-javascript-modules-module-formats-module-loaders-and-module-bundlers/)
- 📜 [Modules ― Exploring JS](http://exploringjs.com/es6/ch_modules.html)
- 📜 [ES modules: A cartoon deep-dive — Lin Clark](https://hacks.mozilla.org/2018/03/es-modules-a-cartoon-deep-dive/)
- 📜 [Understanding ES6 Modules — Craig Buckler](https://www.sitepoint.com/understanding-es6-modules/)
- 📜 [An overview of ES6 Modules in JavaScript — Brent Graham](https://blog.cloud66.com/an-overview-of-es6-modules-in-javascript/)
- 📜 [ES6 Modules in Depth — Nicolás Bevacqua](https://ponyfoo.com/articles/es6-modules-in-depth)
- 📜 [ES6 modules, Node.js and the Michael Jackson Solution — Alberto Gimeno](https://medium.com/dailyjs/es6-modules-node-js-and-the-michael-jackson-solution-828dc244b8b)
- 📜 [JavaScript Modules: A Beginner’s Guide — Preethi Kasireddy](https://medium.freecodecamp.org/javascript-modules-a-beginner-s-guide-783f7d7a5fcc)
- 📜 [Using JavaScript modules on the web — Addy Osmani & Mathias Bynens](https://developers.google.com/web/fundamentals/primers/modules)
- 📜 [IIFE: Immediately Invoked Function Expressions — Parwinder](https://dev.to/bhagatparwinder/iife-immediately-invoked-function-expressions-49c5)
- 📜 [Javascript Module Bundlers — Vanshu Hassija](https://sassy-butter-197.notion.site/Javascript-bundlers-016932b17b0744e983c2cc0db31e6f02)

### Videos

- 🎥 [Immediately Invoked Function Expression - Beau teaches JavaScript — freeCodeCamp](https://www.youtube.com/watch?v=3cbiZV4H22c)
- 🎥 [Understanding JavaScript IIFE — Sheo Narayan](https://www.youtube.com/watch?v=I5EntfMeIIQ)
- 🎥 [JavaScript Modules: ES6 Import and Export — Kyle Robinson](https://www.youtube.com/watch?v=_3oSWwapPKQ)
- 🎥 [ES6 - Modules — Ryan Christiani](https://www.youtube.com/watch?v=aQr2bV1BPyE)
- 🎥 [ES6 Modules in the Real World — Sam Thorogood](https://www.youtube.com/watch?v=fIP4pjAqCtQ)
- 🎥 [ES6 Modules — TempleCoding](https://www.youtube.com/watch?v=5P04OK6KlXA)
- 🎥 [JavaScript IIFE (Immediately Invoked Function Expressions) — Steve Griffith](https://www.youtube.com/watch?v=Xd7zgPFwVX8&)

**[⬆ Back to Top](#table-of-contents)**

---

## 9. Message Queue and Event Loop

### Articles

- 📜 [JavaScript Event Loop Explained — Anoop Raveendran](https://medium.com/front-end-hacking/javascript-event-loop-explained-4cd26af121d4)
- 📜 [The JavaScript Event Loop: Explained — Erin Sweson-Healey](https://blog.carbonfive.com/2013/10/27/the-javascript-event-loop-explained/)
- 📜 [Understanding JS: The Event Loop — Alexander Kondov](https://hackernoon.com/understanding-js-the-event-loop-959beae3ac40)
- 📜 [Understanding the JavaScript Event Loop — Ashish Gupta](https://www.zeolearn.com/magazine/understanding-the-javascript-event-loop)
- 📜 [The JavaScript Event Loop — Flavio Copes](https://flaviocopes.com/javascript-event-loop/)
- 📜 [How JavaScript works: Event loop — Alexander Zlatkov](https://blog.sessionstack.com/how-javascript-works-event-loop-and-the-rise-of-async-programming-5-ways-to-better-coding-with-2f077c4438b5)
- 📜 [Tasks, microtasks, queues and schedules — Jake Archibald](https://jakearchibald.com/2015/tasks-microtasks-queues-and-schedules/)
- 📜 [Visualising the JavaScript Event Loop with a Pizza Restaurant analogy — Priyansh Jain](https://dev.to/presto412/visualising-the-javascript-event-loop-with-a-pizza-restaurant-analogy-47a8)
- 📜 [JavaScript Visualized: Event Loop — Lydia Hallie](https://dev.to/lydiahallie/javascript-visualized-event-loop-3dif)

### Videos

- 🎥 [What the heck is the event loop anyway? | JSConf EU — Philip Roberts](https://www.youtube.com/watch?v=8aGhZQkoFbQ)
- 🎥 [JavaScript Event Loop — ComScience Simplified](https://www.youtube.com/watch?v=XzXIMZMN9k4)
- 🎥 [I'm stuck in an Event Loop — Philip Roberts](https://www.youtube.com/watch?v=6MXRNXXgP_0)
- 🎥 [In The Loop - Jake Archibald | JSConf.Asia 2018](https://www.youtube.com/watch?v=cCOL7MC4Pl0)
- 🎥 [Desmitificando el Event Loop (Spanish)](https://www.youtube.com/watch?v=Eqq2Rb7LzYE)
- 🎥 [Callbacks, Sincrono, Assíncrono e Event Loop (PT-BR)](https://www.youtube.com/watch?v=6lbBaM18X3g)

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---

## 10. setTimeout, setInterval and requestAnimationFrame

### Articles

- 📜 [setTimeout and setInterval — JavaScript.Info](https://javascript.info/settimeout-setinterval)
- 📜 [Why not to use setInterval — Akanksha Sharma](https://dev.to/akanksha_9560/why-not-to-use-setinterval--2na9)
- 📜 [setTimeout VS setInterval — Develoger](https://develoger.com/settimeout-vs-setinterval-cff85142555b)
- 📜 [Using requestAnimationFrame — Chris Coyier](https://css-tricks.com/using-requestanimationframe/)
- 📜 [Understanding JavaScript's requestAnimationFrame() — JavaScript Kit](http://www.javascriptkit.com/javatutors/requestanimationframe.shtml)
- 📜 [Handling time intervals in JavaScript - Amit Merchant](https://www.amitmerchant.com/Handling-Time-Intervals-In-Javascript/)

### Videos

- 🎥 [Javascript: How setTimeout and setInterval works — Coding Blocks India](https://www.youtube.com/watch?v=6bPKyl8WYWI)
- 🎥 [setTimeout and setInterval in JavaScript — techsith](https://www.youtube.com/watch?v=TbCgGWe8LN8)
- 🎥 [JavaScript Timers — Steve Griffith](https://www.youtube.com/watch?v=0VVJSvlUgtg)
- 🎥 [JavaScript setTimeOut and setInterval Explained — Theodore Anderson](https://www.youtube.com/watch?v=mVKfrWCOB60)

**[⬆ Back to Top](#table-of-contents)**

---

## 11. JavaScript Engines

### Articles

- 📜 [JavaScript Engines — Jen Looper](http://www.softwaremag.com/javascript-engines/)
- 📜 [Understanding How the Chrome V8 Engine Translates JavaScript into Machine Code — DroidHead](https://medium.freecodecamp.org/understanding-the-core-of-nodejs-the-powerful-chrome-v8-engine-79e7eb8af964)
- 📜 [Understanding V8’s Bytecode — Franziska Hinkelmann](https://medium.com/dailyjs/understanding-v8s-bytecode-317d46c94775)
- 📜 [A Brief History of Google’s V8 Javascript Engine — Clair Smith](https://www.mediacurrent.com/blog/brief-history-googles-v8-javascript-engine/)
- 📜 [JavaScript essentials: why you should know how the engine works - Rainer Hahnekamp](https://www.freecodecamp.org/news/javascript-essentials-why-you-should-know-how-the-engine-works-c2cc0d321553)
- 📜 [JavaScript engine fundamentals: Shapes and Inline Caches](https://mathiasbynens.be/notes/shapes-ics)
- 📜 [JavaScript engine fundamentals: optimizing prototypes](https://mathiasbynens.be/notes/prototypes)
- 📜 [How V8 optimizes array operations](https://v8.dev/blog/elements-kinds)

### Videos

- 🎥 [JavaScript Engines: The Good Parts™ — Mathias Bynens & Benedikt Meurer](https://www.youtube.com/watch?v=5nmpokoRaZI)
- 🎥 [JS Engine EXPOSED 🔥 Google's V8 Architecture 🚀 | Namaste JavaScript Ep. 16 - Akshay Saini](https://www.youtube.com/watch?v=2WJL19wDH68)
- 🎥 [How JavaScript Code is executed? How Javascript works behind the scenes](https://youtu.be/iLWTnMzWtj4)   
- 🎥 [Understanding the V8 JavaScript Engine - freeCodeCamp Talks](https://www.youtube.com/watch?v=xckH5s3UuX4)

**[⬆ Back to Top](#table-of-contents)**

---

## 12. Bitwise Operators, Type Arrays and Array Buffers

### Articles

- 📜 [Programming with JS: Bitwise Operations — Alexander Kondov](https://hackernoon.com/programming-with-js-bitwise-operations-393eb0745dc4)
- 📜 [Using JavaScript’s Bitwise Operators in Real Life — ian m](https://codeburst.io/using-javascript-bitwise-operators-in-real-life-f551a731ff5)
- 📜 [JavaScript Bitwise Operators — w3resource](https://www.w3resource.com/javascript/operators/bitwise-operator.php)
- 📜 [Bitwise Operators in Javascript — Joe Cha](https://medium.com/bother7-blog/bitwise-operators-in-javascript-65c4c69be0d3)
- 📜 [A Comprehensive Primer on Binary Computation and Bitwise Operators in Javascript — Paul Brown](https://medium.com/techtrument/a-comprehensive-primer-on-binary-computation-and-bitwise-operators-in-javascript-81acf8341f04)
- 📜 [How can I understand Bitwise operation in JavaScript?](https://www.quora.com/How-can-I-understand-Bitwise-operation-in-JavaScript)

### Videos

- 🎥 [JavaScript Bitwise Operators — Programming with Mosh](https://www.youtube.com/watch?v=mesu75PTDC8)

**[⬆ Back to Top](#table-of-contents)**

---

## 13. DOM and Layout Trees

### Books

- 📜 [Eloquent JavaScript, 3rd Edition: Ch. 14 - The Document Object Model](https://eloquentjavascript.net/14_dom.html)

### Articles

- 📜 [How To Understand and Modify the DOM in JavaScript — Tania Rascia](https://www.digitalocean.com/community/tutorials/introduction-to-the-dom)
- 📜 [What’s the Document Object Model, and why you should know how to use it — Leonardo Maldonado](https://medium.freecodecamp.org/whats-the-document-object-model-and-why-you-should-know-how-to-use-it-1a2d0bc5429d)
- 📜 [JavaScript DOM Tutorial with Example — Guru99](https://www.guru99.com/how-to-use-dom-and-events-in-javascript.html)
- 📜 [What is the DOM? — Chris Coyier](https://css-tricks.com/dom/)
- 📜 [Traversing the DOM with JavaScript — Zell Liew](https://zellwk.com/blog/dom-traversals/)
- 📜 [DOM Tree](https://javascript.info/dom-nodes)
- 📜 [How to traverse the DOM in Javascript — Vojislav Grujić](https://medium.com/javascript-in-plain-english/how-to-traverse-the-dom-in-javascript-d6555c335b4e)
- 📜 [Render Tree Construction — Ilya Grigorik](https://developers.google.com/web/fundamentals/performance/critical-rendering-path/render-tree-construction)
- 📜 [What exactly is the DOM?](https://bitsofco.de/what-exactly-is-the-dom/)

### Videos

- 🎥 [JavaScript DOM — The Net Ninja](https://www.youtube.com/watch?v=FIORjGvT0kk)
- 🎥 [JavaScript DOM Crash Course — Traversy Media](https://www.youtube.com/watch?v=0ik6X4DJKCc)

**[⬆ Back to Top](#table-of-contents)**

---

## 14. Factories and Classes

### Articles

- 📜 [How To Use Classes in JavaScript — Tania Rascia](https://www.digitalocean.com/community/tutorials/understanding-classes-in-javascript)
- 📜 [Javascript Classes — Under The Hood — Majid](https://medium.com/tech-tajawal/javascript-classes-under-the-hood-6b26d2667677)
- 📜 [Better JavaScript with ES6, Pt. II: A Deep Dive into Classes ― Peleke Sengstacke](https://scotch.io/tutorials/better-javascript-with-es6-pt-ii-a-deep-dive-into-classes)
- 📜 [Understand the Factory Design Pattern in Plain JavaScript — Aditya Agarwal](https://medium.com/front-end-hacking/understand-the-factory-design-pattern-in-plain-javascript-20b348c832bd)
- 📜 [Factory Functions in JavaScript — Josh Miller](https://atendesigngroup.com/blog/factory-functions-javascript)
- 📜 [The Factory Pattern in JS ES6 — SnstsDev](https://medium.com/@SntsDev/the-factory-pattern-in-js-es6-78f0afad17e9)
- 📜 [Class vs Factory function: exploring the way forward — Cristi Salcescu](https://medium.freecodecamp.org/class-vs-factory-function-exploring-the-way-forward-73258b6a8d15)
- 📜 [How ES6 classes really work and how to build your own — Robert Grosse](https://medium.com/@robertgrosse/how-es6-classes-really-work-and-how-to-build-your-own-fd6085eb326a)
- 📜 [Understanding `super` in JavaScript](https://jordankasper.com/understanding-super-in-javascript)
- 📜 [An Easy Guide To Understanding Classes In JavaScript](https://dev.to/lawrence_eagles/an-easy-guide-to-understanding-classes-in-javascript-3bcm)

### Videos

- 🎥 [JavaScript Factory Functions — Programming with Mosh](https://www.youtube.com/watch?v=jpegXpQpb3o)
- 🎥 [Factory Functions in JavaScript — Fun Fun Function](https://www.youtube.com/watch?v=ImwrezYhw4w)
- 🎥 [Javascript Tutorial Function Factories — Crypto Chan](https://www.youtube.com/watch?v=R7-IwpH80UE)

**[⬆ Back to Top](#table-of-contents)**

---

## 15. this, call, apply and bind

### Reference

- 📜 [call() — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/call)
- 📜 [bind() — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Function/bind)
- 📜 [apply() — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/apply)

### Articles

- 📜 [Grokking call(), apply() and bind() methods in JavaScript — Aniket Kudale](https://levelup.gitconnected.com/grokking-call-apply-and-bind-methods-in-javascript-392351a4be8b)
- 📜 [How-to: call() , apply() and bind() in JavaScript — Niladri Sekhar Dutta](https://www.codementor.io/niladrisekhardutta/how-to-call-apply-and-bind-in-javascript-8i1jca6jp)
- 📜 [JavaScript’s Apply, Call, and Bind Methods are Essential for JavaScript Professionals — Richard Bovell](http://javascriptissexy.com/javascript-apply-call-and-bind-methods-are-essential-for-javascript-professionals/)
- 📜 [Javascript: call(), apply() and bind() — Omer Goldberg](https://medium.com/@omergoldberg/javascript-call-apply-and-bind-e5c27301f7bb)
- 📜 [The difference between call / apply / bind — Ivan Sifrim](https://medium.com/@ivansifrim/the-differences-between-call-apply-bind-276724bb825b)
- 📜 [What the hack is call, apply, bind in JavaScript — Ritik](https://dev.to/ritik_dev_js/what-the-hack-is-call-apply-bind-in-javascript-11ce)
- 📜 [Mastering 'this' in JavaScript: Callbacks and bind(), apply(), call() — Michelle Gienow](https://thenewstack.io/mastering-javascript-callbacks-bind-apply-call/)
- 📜 [JavaScript’s apply, call, and bind explained by hosting a cookout — Kevin Kononenko](https://dev.to/kbk0125/javascripts-apply-call-and-bind-explained-by-hosting-a-cookout-32jo)
- 📜 [How AND When to use bind, call, and apply in Javascript — Eigen X](https://www.eigenx.com/blog/https/mediumcom/eigen-x/how-and-when-to-use-bind-call-and-apply-in-javascript-77b6f42898fb)
- 📜 [Let me explain to you what is `this`. (Javascript) — Jason Yu](https://dev.to/ycmjason/let-me-explain-to-you-what-is-this-javascript-44ja)
- 📜 [Understanding the “this” Keyword in JavaScript — Pavan](https://medium.com/quick-code/understanding-the-this-keyword-in-javascript-cb76d4c7c5e8)
- 📜 [How to understand the keyword this and context in JavaScript — Lukas Gisder-Dubé](https://medium.freecodecamp.org/how-to-understand-the-keyword-this-and-context-in-javascript-cd624c6b74b8)
- 📜 [What the heck is this in Javascript? — Hridayesh Sharma](https://dev.to/_hridaysharma/what-the-heck-is-this-in-javascript-37n1)
- 📜 [This and Bind In Javascript — Brian Barbour](https://dev.to/steelvoltage/this-and-bind-in-javascript-2pam)
- 📜 [3 Techniques for Maintaining Your Sanity Using "This" in JavaScript — Carl](https://dev.to/canderson93/3-techniques-for-maintaining-your-sanity-using-this-in-javascript-3idf)
- 📜 [Mastering the JavaScript "this" Keyword — Aakash Srivastav](https://dev.to/aakashsr/mastering-the-javascript-this-keyword-4pfa)
- 📜 [This binding in JavaScript – 4. New binding — Spyros Argalias](https://dev.to/sargalias/this-binding-in-javascript-4-new-binding-2p1n)
- 📜 [A quick intro to 'this' in JavaScript — Natalie Smith](https://dev.to/thatgalnatalie/a-quick-intro-to-this-in-javascript-2mhp)
- 📜 [Explaining JavaScript 'this' to my cat — Andrey K](https://dev.to/cat__logic/explaining-javascript-this-to-my-cat-1kig)
- 📜 [A conversation with the 'this' keyword in Javascript — Karen Efereyan](https://dev.to/developerkaren/a-conversation-with-the-this-keyword-in-javascript-3j6g)
- 📜 [What are call(), apply() and bind() in JavaScript — Amitav Mishra](https://jscurious.com/what-are-call-apply-and-bind-in-javascript/)
- 📜 [Understanding 'this' binding in JavaScript — Yasemin Cidem](https://yasemincidem.medium.com/understanding-this-binding-in-javascript-86687397c76d)

### Videos

- 🎥 [JavaScript call, apply and bind — techsith](https://www.youtube.com/watch?v=c0mLRpw-9rI)
- 🎥 [JavaScript Practical Applications of Call, Apply and Bind functions— techsith](https://www.youtube.com/watch?v=AYVYxezrMWA)
- 🎥 [JavaScript (call, bind, apply) — curious aatma](https://www.youtube.com/watch?v=Uy0NOXLBraE)
- 🎥 [Understanding Functions and 'this' In The World of ES2017 — Bryan Hughes](https://www.youtube.com/watch?v=AOSYY1_np_4)
- 🎥 [bind and this - Object Creation in JavaScript - FunFunFunction](https://www.youtube.com/watch?v=GhbhD1HR5vk)
- 🎥 [JS Function Methods call(), apply(), and bind() — Steve Griffith](https://www.youtube.com/watch?v=uBdH0iB1VDM)

**[⬆ Back to Top](#table-of-contents)**

---

## 16. new, Constructor, instanceof and Instances

### Articles

- 📜 [JavaScript For Beginners: the ‘new’ operator — Brandon Morelli](https://codeburst.io/javascript-for-beginners-the-new-operator-cee35beb669e)
- 📜 [Let’s demystify JavaScript’s ‘new’ keyword — Cynthia Lee](https://medium.freecodecamp.org/demystifying-javascripts-new-keyword-874df126184c)
- 📜 [Constructor, operator "new" — JavaScript.Info](https://javascript.info/constructor-new)
- 📜 [Understanding JavaScript Constructors — Faraz Kelhini](https://css-tricks.com/understanding-javascript-constructors/)
- 📜 [Use Constructor Functions — Openclassrooms](https://openclassrooms.com/en/courses/3523231-learn-to-code-with-javascript/4379006-use-constructor-functions)
- 📜 [Beyond `typeof` and `instanceof`: simplifying dynamic type checks — Dr. Axel Rauschmayer](http://2ality.com/2017/08/type-right.html)
- 📜 [What Is the Instanceof Operator in JavaScript — appendTo](https://appendto.com/2016/10/what-is-the-instanceof-operator-in-javascript/)
- 📜 [Function and Object, instances of each other — Kiro Risk](https://javascriptrefined.io/function-and-object-instances-of-each-other-1e1095d5faac)

**[⬆ Back to Top](#table-of-contents)**

---

## 17. Prototype Inheritance and Prototype Chain

### Reference

- 📜 [Inheritance and the prototype chain — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Inheritance_and_the_prototype_chain)

### Articles

- 📜 [Javascript : Prototype vs Class — Valentin PARSY](https://medium.com/@parsyval/javascript-prototype-vs-class-a7015d5473b)
- 📜 [JavaScript engine fundamentals: optimizing prototypes — Mathias Bynens](https://mathiasbynens.be/notes/prototypes)
- 📜 [JavaScript Prototype — NC Patro](https://codeburst.io/javascript-prototype-cb29d82b8809)
- 📜 [Prototype in Javascript — Sandeep Ranjan](https://www.codementor.io/sandeepranjan2007/prototype-in-javascipt-knbve0lqo)
- 📜 [Prototypes in JavaScript — Rupesh Mishra](https://hackernoon.com/prototypes-in-javascript-5bba2990e04b)
- 📜 [Prototype in JavaScript: it’s quirky, but here’s how it works — Pranav Jindal](https://medium.freecodecamp.org/prototype-in-js-busted-5547ec68872)
- 📜 [Understanding JavaScript: Prototype and Inheritance — Alexander Kondov](https://hackernoon.com/understanding-javascript-prototype-and-inheritance-d55a9a23bde2)
- 📜 [Understanding Classes (ES5) and Prototypal Inheritance in JavaScript — Hridayesh Sharma](https://dev.to/_hridaysharma/understanding-classes-es5-and-prototypal-inheritance-in-javascript-n8d)
- 📜 [prototype, **proto** and Prototypal inheritance in JavaScript — Varun Dey](https://dev.to/varundey/prototype-proto-and-prototypal-inheritance-in-javascript-2inl)
- 📜 [Prototypal Inheritance — JavaScript.Info](https://javascript.info/prototype-inheritance)
- 📜 [How To Work with Prototypes and Inheritance in JavaScript — Tania Rascia](https://www.digitalocean.com/community/tutorials/understanding-prototypes-and-inheritance-in-javascript)
- 📜 [Master JavaScript Prototypes & Inheritance — Arnav Aggarwal](https://codeburst.io/master-javascript-prototypes-inheritance-d0a9a5a75c4e)
- 📜 [JavaScript’s Prototypal Inheritance Explained Using CSS — Nash Vail](https://medium.freecodecamp.org/understanding-prototypal-inheritance-in-javascript-with-css-93b2fcda75e4)
- 📜 [Prototypal Inheritance in JavaScript — Jannis Redmann](https://gist.github.com/derhuerst/a585c4916b1c361cc6f0)
- 📜 [Demystifying ES6 Classes And Prototypal Inheritance ― Neo Ighodaro](https://scotch.io/tutorials/demystifying-es6-classes-and-prototypal-inheritance)
- 📜 [Intro To Prototypal Inheritance — Dharani Jayakanthan](https://dev.to/danny/intro-to-prototypal-inheritance---js-9di)
- 📜 [Let’s Build Prototypal Inheritance in JS — var-che](https://dev.to/varche/let-s-build-prototypal-inheritance-in-js-56mm)
- 📜 [Objects, Prototypes and Classes in JavaScript — Atta](https://dev.to/attacomsian/objects-prototypes-and-classes-in-javascript-3i9b)
- 📜 [The magical world of JavaScript prototypes — Belén](https://dev.to/ladybenko/the-magical-world-of-javascript-prototypes-1mhg)
- 📜 [Understanding Prototypal Inheritance In JavaScript — Lawrence Eagles](https://dev.to/lawrence_eagles/understanding-prototypal-inheritance-in-javascript-4f31#chp-4)
- 📜 [Objects and Prototypes in JavaScript — Irena Popova](https://dev.to/irenejpopova/objects-and-prototypes-in-javascript-2eie)

### Videos

- 🎥 [Javascript Prototype Inheritance — Avelx](https://www.youtube.com/watch?v=sOrtAjyk4lQ)
- 🎥 [JavaScript Prototype Inheritance Explained pt. I — techsith](https://www.youtube.com/watch?v=7oNWNlMrkpc)
- 🎥 [JavaScript Prototype Inheritance Explained pt. II — techsith](https://www.youtube.com/watch?v=uIlj6_z_wL8)
- 🎥 [JavaScript Prototype Inheritance Explained — Kyle Robinson](https://www.youtube.com/watch?v=qMO-LTOrJaE)
- 🎥 [Advanced Javascript - Prototypal Inheritance In 1 Minute](https://www.youtube.com/watch?v=G6l5CHl67HQ)
- 🎥 [An Overview Of Classical Javascript Classes and Prototypal Inheritance — Pentacode](https://www.youtube.com/watch?v=phwzuiJJPpQ)
- 🎥 [Object Oriented JavaScript - Prototype — The Net Ninja](https://www.youtube.com/watch?v=4jb4AYEyhRc)
- 🎥 [Prototype in JavaScript — kudvenkat](https://www.youtube.com/watch?v=2rkEbcptR64)
- 🎥 [JavaScript Using Prototypes — O'Reilly](https://www.youtube.com/watch?v=oCwCcNvaXAQ)
- 🎥 [A Beginner's Guide to Javascript's Prototype — Tyler Mcginnis](https://www.youtube.com/watch?v=XskMWBXNbp0)
- 🎥 [Prototypes in Javascript - p5.js Tutorial — The Coding Train](https://www.youtube.com/watch?v=hS_WqkyUah8)

### Books

- [You Don't Know JS, 1st Edition: this & Object Prototypes — Kyle Simpson](https://github.com/getify/You-Dont-Know-JS/tree/1st-ed)

**[⬆ Back to Top](#table-of-contents)**

---

## 18. Object.create and Object.assign

### Reference

- 📜 [Object.create() — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create)
- 📜 [Object.assign() — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)

### Articles

- 📜 [Object.create in JavaScript — Rupesh Mishra](https://medium.com/@happymishra66/object-create-in-javascript-fa8674df6ed2)
- 📜 [Object.create(): the New Way to Create Objects in JavaScript — Rob Gravelle](https://www.htmlgoodies.com/beyond/javascript/object.create-the-new-way-to-create-objects-in-javascript.html)
- 📜 [Basic Inheritance with Object.create — Joshua Clanton](http://adripofjavascript.com/blog/drips/basic-inheritance-with-object-create.html)
- 📜 [Object.create() In JavaScript — GeeksforGeeks](https://www.geeksforgeeks.org/object-create-javascript/)
- 📜 [Understanding the difference between Object.create() and the new operator — Jonathan Voxland](https://medium.com/@jonathanvox01/understanding-the-difference-between-object-create-and-the-new-operator-b2a2f4749358)
- 📜 [JavaScript Object Creation: Patterns and Best Practices — Jeff Mott](https://www.sitepoint.com/javascript-object-creation-patterns-best-practises/)
- 📜 [Copying Objects in JavaScript ― Orinami Olatunji](https://scotch.io/bar-talk/copying-objects-in-javascript)
- 📜 [JavaScript: Object.assign() — Thiago S. Adriano](https://codeburst.io/javascript-object-assign-bc9696dcbb6e)
- 📜 [How to deep clone a JavaScript Object — Flavio Copes](https://flaviocopes.com/how-to-clone-javascript-object/)
- 📜 [Object.create(): When and Why to Use — VZing](https://dev.to/vzing/object-create-when-and-why-to-use-20m9)

### Videos

- 🎥 [Object.assign() explained — Aaron Writes Code](https://www.youtube.com/watch?v=aw7NfYhR5rc)
- 🎥 [Object.assign() Method — techsith](https://www.youtube.com/watch?v=9Ky4X6inpi4)

**[⬆ Back to Top](#table-of-contents)**

---

## 19. map, reduce, filter

### Articles

- 📜 [JavaScript Functional Programming — map, filter and reduce — Bojan Gvozderac](https://medium.com/jsguru/javascript-functional-programming-map-filter-and-reduce-846ff9ba492d)
- 📜 [Learn map, filter and reduce in Javascript — João Miguel Cunha](https://medium.com/@joomiguelcunha/learn-map-filter-and-reduce-in-javascript-ea59009593c4)
- 📜 [JavaScript’s Map, Reduce, and Filter — Dan Martensen](https://danmartensen.svbtle.com/javascripts-map-reduce-and-filter)
- 📜 [How to Use Map, Filter, & Reduce in JavaScript — Peleke Sengstacke](https://code.tutsplus.com/tutorials/how-to-use-map-filter-reduce-in-javascript--cms-26209)
- 📜 [JavaScript — Learn to Chain Map, Filter, and Reduce — Brandon Morelli](https://codeburst.io/javascript-learn-to-chain-map-filter-and-reduce-acd2d0562cd4)
- 📜 [Javascript data structure with map, reduce, filter and ES6 — Deepak Gupta](https://codeburst.io/write-beautiful-javascript-with-%CE%BB-fp-es6-350cd64ab5bf)
- 📜 [Understanding map, filter and reduce in Javascript — Luuk Gruijs](https://hackernoon.com/understanding-map-filter-and-reduce-in-javascript-5df1c7eee464)
- 📜 [Functional Programming in JS: map, filter, reduce (Pt. 5) — Omer Goldberg](https://hackernoon.com/functional-programming-in-js-map-filter-reduce-pt-5-308a205fdd5f)
- 📜 [JavaScript: Map, Filter, Reduce — William S. Vincent](https://wsvincent.com/functional-javascript-map-filter-reduce/)
- 📜 [Arrow Functions: Fat and Concise Syntax in JavaScript — Kyle Pennell](https://www.sitepoint.com/es6-arrow-functions-new-fat-concise-syntax-javascript/)
- 📜 [JavaScript: Arrow Functions for Beginners — Brandon Morelli](https://codeburst.io/javascript-arrow-functions-for-beginners-926947fc0cdc)
- 📜 [When (and why) you should use ES6 arrow functions — and when you shouldn’t — Cynthia Lee](https://medium.freecodecamp.org/when-and-why-you-should-use-es6-arrow-functions-and-when-you-shouldnt-3d851d7f0b26)
- 📜 [JavaScript — Learn & Understand Arrow Functions — Brandon Morelli](https://codeburst.io/javascript-learn-understand-arrow-functions-fe2083533946)
- 📜 [(JavaScript )=> Arrow functions — sigu](https://medium.com/podiihq/javascript-arrow-functions-27d4c3334b83)
- 📜 [Javascript.reduce() — Paul Anderson](https://medium.com/@panderson.dev/javascript-reduce-79aab078da23)
- 📜 [Why you should replace forEach with map and filter in JavaScript — Roope Hakulinen](https://gofore.com/en/why-you-should-replace-foreach/)
- 📜 [Simplify your JavaScript – Use .map(), .reduce(), and .filter() — Etienne Talbot](https://medium.com/poka-techblog/simplify-your-javascript-use-map-reduce-and-filter-bd02c593cc2d)
- 📜 [JavaScript’s Reduce Method Explained By Going On a Diet — Kevin Kononenko](https://blog.codeanalogies.com/2018/07/24/javascripts-reduce-method-explained-by-going-on-a-diet/)
- 📜 [Difference between map, filter and reduce in JavaScript — Amirata Khodaparast](https://medium.com/@amiratak88/difference-between-map-filter-and-reduce-in-javascript-822ff79d5160)
- 📜 [Map⇄Filter⇄Reduce↻ — ashay mandwarya](https://hackernoon.com/map-filter-reduce-ebbed4be4201)
- 📜 [Finding Your Way With .map() — Brandon Wozniewicz](https://medium.freecodecamp.org/finding-your-way-with-map-aecb8ca038f6)
- 📜 [How to write your own map, filter and reduce functions in JavaScript — Hemand Nair](https://medium.freecodecamp.org/how-to-write-your-own-map-filter-and-reduce-functions-in-javascript-ab1e35679d26)
- 📜 [How to Manipulate Arrays in JavaScript — Bolaji Ayodeji](https://www.freecodecamp.org/news/manipulating-arrays-in-javascript/)
- 📜 [How to simplify your codebase with map(), reduce(), and filter() in JavaScript — Alex Permyakov](https://www.freecodecamp.org/news/15-useful-javascript-examples-of-map-reduce-and-filter-74cbbb5e0a1f)
- 📜 [.map(), .filter(), and .reduce() — Andy Pickle](https://dev.to/pickleat/map-filter-and-reduce-2efb)
- 📜 [Map/Filter/Reduce Crash Course — Chris Achard](https://dev.to/chrisachard/map-filter-reduce-crash-course-5gan)
- 📜 [Map, Filter and Reduce – Animated — JavaScript Teacher](https://medium.com/@js_tut/map-filter-and-reduce-animated-7fe391a35a47)
- 📜 [Map, Filter, Reduce and others Arrays Iterators You Must Know to Become an Algorithms Wizard — Mauro Bono](https://dev.to/uptheirons78/map-filter-reduce-and-others-arrays-iterators-you-must-know-to-become-an-algorithms-wizard-4209)
- 📜 [How to Use JavaScript’s .map, .filter, and .reduce — Avery Duffin](https://betterprogramming.pub/how-to-javascripts-map-vs-filter-vs-reduce-80d87a5a0a24)
- 📜 [Javascript performance test - for vs for each vs (map, reduce, filter, find) — Deepak Gupta](https://towardsdatascience.com/javascript-performance-test-for-vs-for-each-vs-map-reduce-filter-find-32c1113f19d7)
- 📜 [Using .map(), .filter() and .reduce() properly — Sasanka Kudagoda](https://medium.com/javascript-in-plain-english/using-map-filter-and-reduce-properly-50e07f80c8b2)
- 📜 [Mastering the JavaScript Reduce method ✂️ — sanderdebr](https://dev.to/sanderdebr/mastering-the-javascript-reduce-method-2foj)
- 📜 [JavaScript Map – How to Use the JS .map() Function (Array Method) — FreeCodeCamp](https://www.freecodecamp.org/news/javascript-map-how-to-use-the-js-map-function-array-method/)

### Videos

- 🎥 [Map, Filter and Reduce — Lydia Hallie](https://www.youtube.com/watch?v=UXiYii0Y7Nw)
- 🎥 [Functional JavaScript: Map, forEach, Reduce, Filter — Theodore Anderson](https://www.youtube.com/watch?v=vytzLlY_wmU)
- 🎥 [JavaScript Array superpowers: Map, Filter, Reduce (part I) — Michael Rosata](https://www.youtube.com/watch?v=qTeeVd8hOFY)
- 🎥 [JavaScript Array superpowers: Map, Filter, Reduce (part 2) — Michael Rosata](https://www.youtube.com/watch?v=gIm9xLYudL0)
- 🎥 [JavaScript Higher Order Functions - Filter, Map, Sort & Reduce — Epicop](https://www.youtube.com/watch?v=zYBeEPxNSbw)
- 🎥 [[Array Methods 2/3] .filter + .map + .reduce — CodeWithNick](https://www.youtube.com/watch?v=4qWlqD0yYTU)
- 🎥 [Arrow functions in JavaScript - What, Why and How — Fun Fun Function](https://www.youtube.com/watch?v=6sQDTgOqh-I)
- 🎥 [Learning Functional Programming with JavaScript — Anjana Vakil - JSUnconf](https://www.youtube.com/watch?v=e-5obm1G_FY&t=1521s)
- 🎥 [Map - Parte 2 JavaScript - Fun Fun Function](https://www.youtube.com/watch?v=bCqtb-Z5YGQ&t=17s)
- 🎥 [Reduce basics - Part 3 of FP in JavaScript - Fun Fun Function](https://www.youtube.com/watch?v=Wl98eZpkp-c)
- 🎥 [Reduce Advanced - Part 4 of FP in JavaScript - Fun Fun Function](https://www.youtube.com/watch?v=1DMolJ2FrNY&t=621s)
- 🎥 [reduce Array Method | JavaScript Tutorial - Florin Pop](https://www.youtube.com/watch?v=IXp06KekEjM)
- 🎥 [map Array Method | JavaScript Tutorial - Florin Pop](https://www.youtube.com/watch?v=P4RAFdZDn3M)
- 🎥 [Different array methods in 1 minute | Midudev (Spanish)](https://youtu.be/Ah7-PPjQ5Ls)

**[⬆ Back to Top](#table-of-contents)**

---

## 20. Pure Functions, Side Effects, State Mutation and Event Propagation

### Articles

- 📜 [Javascript and Functional Programming — Pure Functions — Omer Goldberg](https://hackernoon.com/javascript-and-functional-programming-pt-3-pure-functions-d572bb52e21c)
- 📜 [Master the JavaScript Interview: What is a Pure Function? — Eric Elliott](https://medium.com/javascript-scene/master-the-javascript-interview-what-is-a-pure-function-d1c076bec976)
- 📜 [JavaScript: What Are Pure Functions And Why Use Them? — James Jeffery](https://medium.com/@jamesjefferyuk/javascript-what-are-pure-functions-4d4d5392d49c)
- 📜 [Pure functions in JavaScript — @nicoespeon](http://www.nicoespeon.com/en/2015/01/pure-functions-javascript/)
- 📜 [Functional Programming: Pure Functions — Arne Brasseur](https://www.sitepoint.com/functional-programming-pure-functions/)
- 📜 [Pure Functions In Javascript — Krunal](https://appdividend.com/2017/04/10/pure-functions-in-javascript/)
- 📜 [Making your JavaScript Pure — Jack Franklin](https://alistapart.com/article/making-your-javascript-pure)
- 📜 [Arrays, Objects and Mutations — Federico Knüssel](https://medium.com/@fknussel/arrays-objects-and-mutations-6b23348b54aa)
- 📜 [The State of Immutability — Maciej Sikora](https://medium.com/dailyjs/the-state-of-immutability-169d2cd11310)
- 📜 [Hablemos de Inmutabilidad — Kike Sanchez](https://medium.com/zurvin/hablemos-de-inmutabilidad-3dc65d290783)
- 📜 [How to deal with dirty side effects in your pure functional JavaScript — James Sinclair](https://jrsinclair.com/articles/2018/how-to-deal-with-dirty-side-effects-in-your-pure-functional-javascript/)
- 📜 [Preventing Side Effects in JavaScript — David Walsh](https://davidwalsh.name/preventing-sideeffects-javascript)
- 📜 [Wielding Pure Functions in JavaScript and Function Composition — Peleke Sengstacke](https://scotch.io/tutorials/wielding-pure-functions-in-javascript-and-function-composition)
- 📜 [JavaScript: Pure Functions — William S. Vincent](https://wsvincent.com/javascript-pure-functions/)
- 📜 [Functional programming paradigms in modern JavaScript: Pure functions — Alexander Kondov](https://hackernoon.com/functional-programming-paradigms-in-modern-javascript-pure-functions-797d9abbee1)
- 📜 [Understanding Javascript Mutation and Pure Functions — Chidume Nnamdi](https://blog.bitsrc.io/understanding-javascript-mutation-and-pure-functions-7231cc2180d3)
- 📜 [Functional-ish JavaScript — Daniel Brain](https://medium.com/@bluepnume/functional-ish-javascript-205c05d0ed08)
- 📜 [Event Propagation — MDN](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Building_blocks/Events)
- 📜 [Event Propagation — Bubbling and capturing](https://javascript.info/bubbling-and-capturing)

### Videos

- 🎥 [Pure Functions — Hexlet](https://www.youtube.com/watch?v=dZ41D6LDSBg)
- 🎥 [Pure Functions - Functional Programming in JavaScript — Paul McBride](https://www.youtube.com/watch?v=Jh_Uzqzz_wM)
- 🎥 [JavaScript Pure Functions — Seth Alexander](https://www.youtube.com/watch?v=frT3H-eBmPc)
- 🎥 [JavaScript Pure vs Impure Functions Explained — Theodore Anderson](https://www.youtube.com/watch?v=AHbRVJzpB54)
- 🎥 [Pure Functions - Programação Funcional: Parte 1 - Fun Fun Function](https://www.youtube.com/watch?v=BMUiFMZr7vk)
- 🎥 [Event Propagation - JavaScript Event Bubbling and Propagation - Steve Griffith](https://www.youtube.com/watch?v=JYc7gr9Ehl0)

**[⬆ Back to Top](#table-of-contents)**

---

## 21. Closures

### Reference

- 📜 [Closures — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Closures)
- 📜 [Closure — JavaScript.Info](https://javascript.info/closure)

### Articles

- 📜 [I never understood JavaScript closures — Olivier De Meulder](https://medium.com/dailyjs/i-never-understood-javascript-closures-9663703368e8)
- 📜 [Understand JavaScript Closures With Ease — Richard Bovell](http://javascriptissexy.com/understand-javascript-closures-with-ease/)
- 📜 [Understanding JavaScript Closures — Codesmith](https://codeburst.io/understanding-javascript-closures-da6aab330302)
- 📜 [Understand Closures in JavaScript — Brandon Morelli](https://codeburst.io/understand-closures-in-javascript-d07852fa51e7)
- 📜 [A simple guide to help you understand closures in JavaScript — Prashant Ram](https://medium.freecodecamp.org/javascript-closures-simplified-d0d23fa06ba4)
- 📜 [Understanding JavaScript Closures: A Practical Approach — Paul Upendo](https://scotch.io/tutorials/understanding-javascript-closures-a-practical-approach)
- 📜 [Understanding JavaScript: Closures — Alexander Kondov](https://hackernoon.com/understanding-javascript-closures-4188edf5ea1b)
- 📜 [How to use JavaScript closures with confidence — Léna Faure](https://hackernoon.com/how-to-use-javascript-closures-with-confidence-85cd1f841a6b)
- 📜 [JavaScript closures by example — tyler](https://howchoo.com/g/mge2mji2mtq/javascript-closures-by-example)
- 📜 [JavaScript — Closures and Scope — Alex Aitken](https://codeburst.io/javascript-closures-and-scope-3784c75b9290)
- 📜 [Discover the power of closures in JavaScript — Cristi Salcescu](https://medium.freecodecamp.org/discover-the-power-of-closures-in-javascript-5c472a7765d7)
- 📜 [Getting Closure — RealLifeJS](http://reallifejs.com/the-meat/getting-closure/)
- 📜 [Closure, Currying and IIFE in JavaScript — Ritik](https://dev.to/ritik_dev_js/what-the-hack-is-closure-currying-and-iife-in-javascript-32m9)
- 📜 [Understanding Closures in JavaScript — Sukhjinder Arora](https://blog.bitsrc.io/a-beginners-guide-to-closures-in-javascript-97d372284dda)
- 📜 [A basic guide to Closures in JavaScript — Parathan Thiyagalingam](https://medium.freecodecamp.org/a-basic-guide-to-closures-in-javascript-9fc8b7e3463e)
- 📜 [Closures: Using Memoization — Brian Barbour](https://dev.to/steelvoltage/closures-using-memoization-3597)
- 📜 [A Brief Introduction to Closures and Lexical Scoping in JavaScript — Ashutosh K Singh](https://betterprogramming.pub/a-brief-introduction-to-closures-and-lexical-scoping-in-javascript-8a5866496232)
- 📜 [Demystify Closures — stereobooster](https://dev.to/stereobooster/demystify-closures-5g42)
- 📜 [Scopes and Closures - JavaScript Concepts — Agney Menon](https://dev.to/boywithsilverwings/scopes-and-closures-javascript-concepts-4dfj)
- 📜 [Understanding Closures in JavaScript — Matt Popovich](https://dev.to/mattpopovich/understanding-closures-in-javascript-3k0d)
- 📜 [whatthefuck.is · A Closure - Dan Abramov](https://whatthefuck.is/closure)
- 📜 [Closures in JavaScript can... - Brandon LeBoeuf](https://dev.to/brandonleboeuf/closure-in-javascript-49n7)
- 📜 [Do you know Closures - Mohamed Khaled](https://dev.to/this_mkhy/do-you-know-es6-part-3-advanced-3fcl#Closures-2)

### Videos

- 🎥 [JavaScript The Hard Parts: Closure, Scope & Execution Context - Codesmith](https://www.youtube.com/watch?v=XTAzsODSCsM)
- 🎥 [Javascript Closure — techsith](https://www.youtube.com/watch?v=71AtaJpJHw0)
- 🎥 [Closures — Fun Fun Function](https://www.youtube.com/watch?v=CQqwU2Ixu-U)
- 🎥 [Closures in JavaScript — techsith](https://www.youtube.com/watch?v=-xqJo5VRP4A)
- 🎥 [JavaScript Closures 101: What is a closure? — JavaScript Tutorials](https://www.youtube.com/watch?v=yiEeiMN2Khs)
- 🎥 [Closures — freeCodeCamp](https://www.youtube.com/watch?v=1JsJx1x35c0)
- 🎥 [JavaScript Closures — CodeWorkr](https://www.youtube.com/watch?v=-rLrGAXK8WE)
- 🎥 [Closures in JS - Akshay Saini](https://www.youtube.com/watch?v=qikxEIxsXco)
- 🎥 [CLOSURES en JavaScript: Qué son y cómo funcionan - Carlos Azaustre](https://youtu.be/xa8lhVwQBw4)

**[⬆ Back to Top](#table-of-contents)**

---

## 22. High Order Functions

### Books

- 📜 [Eloquent JavaScript, 3rd Edition: Ch. 5 - Higher-order Functions](https://eloquentjavascript.net/05_higher_order.html)

### Articles

- 📜 [Higher-Order Functions in JavaScript — M. David Green](https://www.sitepoint.com/higher-order-functions-javascript/)
- 📜 [Higher Order Functions: Using Filter, Map and Reduce for More Maintainable Code — Guido Schmitz](https://medium.freecodecamp.org/higher-order-functions-in-javascript-d9101f9cf528)
- 📜 [First-class and Higher Order Functions: Effective Functional JavaScript — Hugo Di Francesco](https://hackernoon.com/effective-functional-javascript-first-class-and-higher-order-functions-713fde8df50a)
- 📜 [Higher Order Functions in JavaScript — John Hannah](https://www.lullabot.com/articles/higher-order-functions-in-javascript)
- 📜 [Just a reminder on how to use high order functions — Pedro Filho](https://github.com/pedroapfilho/high-order-functions)
- 📜 [Understanding Higher-Order Functions in JavaScript — Sukhjinder Arora](https://blog.bitsrc.io/understanding-higher-order-functions-in-javascript-75461803bad)
- 📜 [Higher Order Functions - A pragmatic approach — emmanuel ikwuoma](https://dev.to/nuel_ikwuoma/higher-order-functions-a-pragmatic-approach-51fb)

### Videos

- 🎥 [JavaScript Higher Order Functions & Arrays — Traversy Media](https://www.youtube.com/watch?v=rRgD1yVwIvE)
- 🎥 [Higher Order Functions — Fun Fun Function](https://www.youtube.com/watch?v=BMUiFMZr7vk)
- 🎥 [Higher Order Functions in Javascript — Raja Yogan](https://www.youtube.com/watch?v=dTlpYnmBW9I)
- 🎥 [Higher Order Iterators in JavaScript — Fun Fun Function](https://www.youtube.com/watch?v=GYRMNp1SKXA)
- 🎥 [Higher Order Functions in JavaScript — The Coding Train](https://www.youtube.com/watch?v=H4awPsyugS0)
- 🎥 [Part 1: An Introduction to Callbacks and Higher Order Functions - Codesmith](https://www.youtube.com/watch?v=7E8ctomPQJw)
- 🎥 [Part 2: Understanding Why We Need Higher Order Functions - Codesmith](https://www.youtube.com/watch?v=28MXziDZkE4)
- 🎥 [Higher-Order Functions ft. Functional Programming - Akshay Saini](https://www.youtube.com/watch?v=HkWxvB1RJq0)

**[⬆ Back to Top](#table-of-contents)**

---

## 23. Recursion

### Articles

- 📜 [Recursion in JavaScript — Kevin Ennis](https://medium.freecodecamp.org/recursion-in-javascript-1608032c7a1f)
- 📜 [Understanding Recursion in JavaScript — Zak Frisch](https://medium.com/@zfrisch/understanding-recursion-in-javascript-992e96449e03)
- 📜 [Learn and Understand Recursion in JavaScript — Brandon Morelli](https://codeburst.io/learn-and-understand-recursion-in-javascript-b588218e87ea)
- 📜 [Recursion in Functional JavaScript — M. David Green](https://www.sitepoint.com/recursion-functional-javascript/)
- 📜 [Programming with JS: Recursion — Alexander Kondov](https://hackernoon.com/programming-with-js-recursion-31371e2bf808)
- 📜 [Anonymous Recursion in JavaScript — simo](https://dev.to/simov/anonymous-recursion-in-javascript)
- 📜 [Recursion, iteration and tail calls in JS — loverajoel](http://www.jstips.co/en/javascript/recursion-iteration-and-tail-calls-in-js/)
- 📜 [Intro to Recursion — Brad Newman](https://medium.com/@newmanbradm/intro-to-recursion-984a8bd50f4b)
- 📜 [Accio Recursion!: Your New Favorite JavaScript Spell — Leanne Cabey](https://medium.datadriveninvestor.com/accio-recursion-your-new-favorite-javascript-spell-7e10d3125fb3)
- 📜 [Recursion Explained (with Examples) — Christina](https://dev.to/christinamcmahon/recursion-explained-with-examples-4k1m)

### Videos

- 🎥 [Recursion In JavaScript — techsith](https://www.youtube.com/watch?v=VtG0WAUvq2w)
- 🎥 [Recursion — Fun Fun Function](https://www.youtube.com/watch?v=k7-N8R0-KY4)
- 🎥 [Recursion and Recursive Functions — Hexlet](https://www.youtube.com/watch?v=vLhHyGTkjCs)
- 🎥 [Recursion: Recursion() — JS Monthly — Lucas da Costa](https://www.youtube.com/watch?v=kGXVsd8pBLw)
- 🎥 [Recursive Function in JavaScript — kudvenkat](https://www.youtube.com/watch?v=uyjsR9eNTIw)
- 🎥 [What on Earth is Recursion? — Computerphile](https://www.youtube.com/watch?v=Mv9NEXX1VHc)
- 🎥 [Javascript Tutorial 34: Introduction To Recursion — codedamn](https://www.youtube.com/watch?v=9NO5dXSlbv8)
- 🎥 [Recursion, Iteration, and JavaScript: A Love Story | JSHeroes 2018 — Anjana Vakil](https://www.youtube.com/watch?v=FmiQr4nfoPQ)
- 🎥 [Recursion crash course - Colt Steele](https://www.youtube.com/watch?v=lMBVwYrmFZQ&ab_channel=ColtSteele)

**[⬆ Back to Top](#table-of-contents)**

---

## 24. Collections and Generators

### Reference

- 📜 [Generator — MDN web docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Generator)

### Articles

- 📜 [ES6 In Depth: Collections — Jason Orendorff](https://hacks.mozilla.org/2015/06/es6-in-depth-collections/)
- 📜 [ES6 Collections: Using Map, Set, WeakMap, WeakSet — Kyle Pennell](https://www.sitepoint.com/es6-collections-map-set-weakmap-weakset/)
- 📜 [ES6 WeakMaps, Sets, and WeakSets in Depth — Nicolás Bevacqua](https://ponyfoo.com/articles/es6-weakmaps-sets-and-weaksets-in-depth)
- 📜 [Map, Set, WeakMap and WeakSet — JavaScript.Info](https://javascript.info/map-set-weakmap-weakset)
- 📜 [Maps in ES6 - A Quick Guide — Ben Mildren](https://dev.to/mildrenben/maps-in-es6---a-quick-guide-35pk)
- 📜 [ES6 — Set vs Array — What and when? — Maya Shavin](https://medium.com/front-end-hacking/es6-set-vs-array-what-and-when-efc055655e1a)
- 📜 [ES6 — Map vs Object — What and when? — Maya Shavin](https://medium.com/front-end-hacking/es6-map-vs-object-what-and-when-b80621932373)
- 📜 [ES6: Working with Sets in JavaScript — Dead Code Rising](http://www.deadcoderising.com/es6-working-with-sets-in-javascript/)
- 📜 [Array vs Set vs Map vs Object — Real-time use cases in Javascript (ES6/ES7) — Rajesh Babu](https://codeburst.io/array-vs-set-vs-map-vs-object-real-time-use-cases-in-javascript-es6-47ee3295329b)
- 📜 [How to create an array of unique values in JavaScript using Sets — Claire Parker-Jones](https://dev.to/claireparker/how-to-create-an-array-of-unique-values-in-javascript-using-sets-5dg6)
- 📜 [What You Should Know About ES6 Maps — Just Chris](https://hackernoon.com/what-you-should-know-about-es6-maps-dc66af6b9a1e)
- 📜 [ES6 Maps in Depth — Nicolás Bevacqua](https://ponyfoo.com/articles/es6-maps-in-depth)
- 📜 [What are JavaScript Generators and how to use them — Vladislav Stepanov](https://codeburst.io/what-are-javascript-generators-and-how-to-use-them-c6f2713fd12e)
- 📜 [Understanding JavaScript Generators With Examples — Arfat Salman](https://codeburst.io/understanding-generators-in-es6-javascript-with-examples-6728834016d5)
- 📜 [The Basics of ES6 Generators — Kyle Simpson](https://davidwalsh.name/es6-generators)
- 📜 [An Introduction to JavaScript Generators — Alice Kallaugher](https://dev.to/kallaugher/an-introduction-to-javascript-generators-1224)

### Videos

- 🎥 [JavaScript ES6 / ES2015 Set, Map, WeakSet and WeakMap — Traversy Media](https://www.youtube.com/watch?v=ycohYSx5h9w)
- 🎥 [The Differences between ES6 Maps and Sets — Steve Griffith](https://www.youtube.com/watch?v=m4abICrldQI)
- 🎥 [Javascript Generators - THEY CHANGE EVERYTHING - ES6 Generators Harmony Generators — LearnCode.academy](https://www.youtube.com/watch?v=QO07THdLWQo)

**[⬆ Back to Top](#table-of-contents)**

---

## 25. Promises

### Reference

- 📜 [Promise — MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise)

### Articles

- 📜 [JavaScript Promises for Dummies ― Jecelyn Yeen](https://scotch.io/tutorials/javascript-promises-for-dummies)
- 📜 [Understanding promises in JavaScript — Gokul N K](https://hackernoon.com/understanding-promises-in-javascript-13d99df067c1)
- 📜 [Master the JavaScript Interview: What is a Promise? — Eric Elliott](https://medium.com/javascript-scene/master-the-javascript-interview-what-is-a-promise-27fc71e77261)
- 📜 [An Overview of JavaScript Promises — Sandeep Panda](https://www.sitepoint.com/overview-javascript-promises/)
- 📜 [How to use Promises in JavaScript — Prashant Ram](https://medium.freecodecamp.org/promises-in-javascript-explained-277b98850de)
- 📜 [Implementing Promises In JavaScript — Maciej Cieslar](https://medium.freecodecamp.org/how-to-implement-promises-in-javascript-1ce2680a7f51)
- 📜 [JavaScript: Promises explained with simple real life analogies — Shruti Kapoor](https://codeburst.io/javascript-promises-explained-with-simple-real-life-analogies-dd6908092138)
- 📜 [Promises for Asynchronous Programming — Exploring JS](http://exploringjs.com/es6/ch_promises.html)
- 📜 [JavaScript Promises Explained By Gambling At A Casino — Kevin Kononenko](https://blog.codeanalogies.com/2018/08/26/javascript-promises-explained-by-gambling-at-a-casino/)
- 📜 [ES6 Promises: Patterns and Anti-Patterns — Bobby Brennan](https://medium.com/datafire-io/es6-promises-patterns-and-anti-patterns-bbb21a5d0918)
- 📜 [A Simple Guide to ES6 Promises — Brandon Morelli](https://codeburst.io/a-simple-guide-to-es6-promises-d71bacd2e13a)
- 📜 [The ES6 Promises — Manoj Singh Negi](https://codeburst.io/the-es6-promises-87a979ab27e4)
- 📜 [ES6 Promises in Depth — Nicolás Bevacqua](https://ponyfoo.com/articles/es6-promises-in-depth)
- 📜 [Playing with Javascript Promises: A Comprehensive Approach — Rajesh Babu](https://codeburst.io/playing-with-javascript-promises-a-comprehensive-approach-25ab752c78c3)
- 📜 [How to Write a JavaScript Promise — Brandon Wozniewicz](https://medium.freecodecamp.org/how-to-write-a-javascript-promise-4ed8d44292b8)
- 📜 [A Coding Writer’s Guide: An Introduction To ES6 Promises — Andrew Ly](https://medium.com/@andrewly07/a-coding-writers-guide-an-introduction-to-es6-promises-9ff9f9e88f6c)
- 📜 [Understanding Promises in JavaScript — Chris Noring](https://dev.to/itnext/reverse-engineering-understand-promises-1jfc)
- 📜 [Converting callbacks to promises — Zell Liew](https://dev.to/zellwk/converting-callbacks-to-promises-nhn)
- 📜 [JavaScript Promises: Zero To Hero Plus Cheat Sheet — Joshua Saunders](https://medium.com/dailyjs/javascript-promises-zero-to-hero-plus-cheat-sheet-64d75051cffa)
- 📜 [Promises - JavaScript concepts — Agney Menon](https://dev.to/boywithsilverwings/promises-javascript-concepts-293c)
- 📜 [Javascript `Promise` 101 — Igor Irianto](https://dev.to/iggredible/javascript-promise-101-3idl)
- 📜 [Simplify JavaScript Promises — Sunny Singh](https://dev.to/sunnysingh/simplify-javascript-promises-4djb)
- 📜 [The Lowdown on Promises — Aphinya Dechalert](https://medium.matcha.fyi/the-low-down-on-promises-af4a96bbb95f)
- 📜 [JavaScript Visualized: Promises & Async/Await — Lydia Hallie](https://dev.to/lydiahallie/javascript-visualized-promises-async-await-5gke)
- 📜 [Promises in JavaScript — Peter Klingelhofer](https://dev.to/peterklingelhofer/promises-in-javascript-3h5k)
- 📜 [Best Practices for ES6 Promises — Basti Ortiz](https://dev.to/somedood/best-practices-for-es6-promises-36da)
- 📜 [Lo que debemos saber de EScript 2020 — Kike Sanchez](https://medium.com/zurvin/lo-que-debemos-saber-de-escript-2020-5fc61da5e4cd)
- 📜 [Promise Basics - javascript.info](https://javascript.info/promise-basics)
- 📜 [The Complete JavaScript Promise Guide](https://blog.webdevsimplified.com/2021-09/javascript-promises)

### Videos

- 🎥 [Let's Learn ES6 - Promises — Ryan Christiani](https://www.youtube.com/watch?v=vQ3MoXnKfuQ)
- 🎥 [JavaScript ES6 / ES2015 Promises — Traversy Media](https://www.youtube.com/watch?v=XJEHuBZQ5dU)
- 🎥 [Promises — Fun Fun Function](https://www.youtube.com/watch?v=2d7s3spWAzo)
- 🎥 [Error Handling Promises in JavaScript — Fun Fun Function](https://www.youtube.com/watch?v=f8IgdnYIwOU)
- 🎥 [Promises Part 1 - Topics of JavaScript/ES6 — The Coding Train](https://www.youtube.com/watch?v=QO4NXhWo_NM)
- 🎥 [JavaScript Promise in 100 Seconds](https://www.youtube.com/watch?v=RvYYCGs45L4)
- 🎥 [JavaScript Promise in 9 Minutes](https://youtu.be/3NjdOtHpcBM)
- 🎥 [JavaScript Promises In 10 Minutes — Web Dev Simplified ](https://www.youtube.com/watch?v=DHvZLI7Db8E)

**[⬆ Back to Top](#table-of-contents)**

---

## 26. async/await

### Reference

- 📜 [async/await — JavaScript.Info](https://javascript.info/async-await)

### Books

- 📜 [Eloquent JavaScript, 3rd Edition: Ch. 11 - Asynchronous Programming](https://eloquentjavascript.net/11_async.html)
- 📜 [Exploring JS: Asynchronous Programming](http://exploringjs.com/es6/ch_async.html)

### Articles

- 📜 [Understanding async/await in Javascript — Gokul N K](https://hackernoon.com/understanding-async-await-in-javascript-1d81bb079b2c)
- 📜 [Asynchronous Javascript using async/await — Joy Warugu](https://scotch.io/tutorials/asynchronous-javascript-using-async-await)
- 📜 [Modern Asynchronous JavaScript with async/await — Flavio Copes](https://flaviocopes.com/javascript-async-await/)
- 📜 [Asynchronous JavaScript: From Callback Hell to Async and Await — Demir Selmanovic](https://www.toptal.com/javascript/asynchronous-javascript-async-await-tutorial)
- 📜 [Javascript — ES8 Introducing async/await Functions — Ben Garrison](https://medium.com/@_bengarrison/javascript-es8-introducing-async-await-functions-7a471ec7de8a)
- 📜 [How to escape async/await hell — Aditya Agarwal](https://medium.freecodecamp.org/avoiding-the-async-await-hell-c77a0fb71c4c)
- 📜 [Understanding JavaScript’s async await — Nicolás Bevacqua](https://ponyfoo.com/articles/understanding-javascript-async-await)
- 📜 [JavaScript Async/Await: Serial, Parallel and Complex Flow — TechBrij](https://techbrij.com/javascript-async-await-parallel-sequence)
- 📜 [From JavaScript Promises to Async/Await: why bother? — Chris Nwamba](https://blog.pusher.com/promises-async-await/)
- 📜 [Flow Control in Modern JS: Callbacks to Promises to Async/Await — Craig Buckler](https://www.sitepoint.com/flow-control-callbacks-promises-async-await/)
- 📜 [JavaScript: Promises and Why Async/Await Wins the Battle — Nick Parsons](https://dzone.com/articles/javascript-promises-and-why-asyncawait-wins-the-ba)
- 📜 [How to improve your asynchronous Javascript code with async and await — Indrek Lasn](https://medium.freecodecamp.org/improve-your-asynchronous-javascript-code-with-async-and-await-c02fc3813eda)
- 📜 [Making Fetches Easy With Async Await — Mickey Sheridan](https://medium.com/@micksheridan.24/making-fetches-easy-with-async-await-8a1246efa1f6)
- 📜 [7 Reasons Why JavaScript Async/Await Is Better Than Plain Promises — Mostafa Gaafar](https://dev.to/gafi/7-reasons-to-always-use-async-await-over-plain-promises-tutorial-4ej9)
- 📜 [Asynchronous Operations in JavaScript — Jscrambler](https://dev.to/jscrambler/asynchronous-operations-in-javascript-2p6b)
- 📜 [JavaScript: Promises or async-await — Gokul N K](https://medium.com/better-programming/should-i-use-promises-or-async-await-126ab5c98789)
- 📜 [Async / Await: From Zero to Hero — Zhi Yuan](https://dev.to/zhiyuanamos/async-await-from-zero-to-hero-a22)
- 📜 [JavaScript Visualized: Promises & Async/Await — Lydia Hallie](https://dev.to/lydiahallie/javascript-visualized-promises-async-await-5gke)
- 📜 [Making asynchronous programming easier with async and await — MDN](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Asynchronous/Async_await)
- 📜 [JavaScript Async/Await Tutorial – Learn Callbacks, Promises, and Async/Await in JS by Making Ice Cream](https://www.freecodecamp.org/news/javascript-async-await-tutorial-learn-callbacks-promises-async-await-by-making-icecream/)
- 📜 [Better Than Promises - JavaScript Async/Await](https://blog.webdevsimplified.com/2021-11/async-await/)

### Videos

- 🎥 [Async + Await — Wes Bos](https://www.youtube.com/watch?v=9YkUCxvaLEk)
- 🎥 [Asynchrony: Under the Hood — Shelley Vohr](https://www.youtube.com/watch?v=SrNQS8J67zc)
- 🎥 [async/await in JavaScript - What, Why and How — Fun Fun Function](https://www.youtube.com/watch?v=568g8hxJJp4&index=3&list=PL0zVEGEvSaeHJppaRLrqjeTPnCH6)
- 🎥 [async/await Part 1 - Topics of JavaScript/ES8 — The Coding Train](https://www.youtube.com/watch?v=XO77Fib9tSI&index=3&list=PLRqwX-V7Uu6bKLPQvPRNNE65kBL62mVfx)
- 🎥 [async/await Part 2 - Topics of JavaScript/ES8 — The Coding Train](https://www.youtube.com/watch?v=chavThlNz3s&index=4&list=PLRqwX-V7Uu6bKLPQvPRNNE65kBL62mVfx)
- 🎥 [Complete Guide to JS Async & Await ES2017/ES8 — Colt Steele](https://www.youtube.com/watch?v=krAYA4rvbdA)
- 🎥 [Tips for using async/await in JavaScript — James Q Quick](https://www.youtube.com/watch?v=_9vgd9XKlDQ)
- 🎥 [JavaScript Async Await — Web Dev Simplified](https://www.youtube.com/watch?v=V_Kr9OSfDeU)

**[⬆ Back to Top](#table-of-contents)**

---

## 27. Data Structures

### Articles

- 📜 [Data Structures in JavaScript — Thon Ly](https://medium.com/siliconwat/data-structures-in-javascript-1b9aed0ea17c)
- 📜 [Algorithms and Data Structures in JavaScript — Oleksii Trekhleb](https://itnext.io/algorithms-and-data-structures-in-javascript-a71548f902cb)
- 📜 [Data Structures: Objects and Arrays ― Chris Nwamba](https://scotch.io/courses/10-need-to-know-javascript-concepts/data-structures-objects-and-arrays)
- 📜 [Data structures in JavaScript — Benoit Vallon](http://blog.benoitvallon.com/data-structures-in-javascript/data-structures-in-javascript/)
- 📜 [Playing with Data Structures in Javascript — Anish K.](https://blog.cloudboost.io/playing-with-data-structures-in-javascript-stack-a55ebe50f29d)
- 📜 [The Little Guide of Queue in JavaScript — Germán Cutraro](https://hackernoon.com/the-little-guide-of-queue-in-javascript-4f67e79260d9)
- 📜 [All algorithms writing with JavaScript in the book 'Algorithms Fourth Edition'](https://github.com/barretlee/algorithms)
- 📜 [Collection of classic computer science paradigms in JavaScript](https://github.com/nzakas/computer-science-in-javascript)
- 📜 [All the things you didn't know you wanted to know about data structures](https://github.com/jamiebuilds/itsy-bitsy-data-structures)
- 📜 [JavaScript Data Structures: 40 Part Series — miku86](https://dev.to/miku86/series/3259)
- 📜 [Data Structures: Understanding Graphs — Rachel Hawa](https://medium.com/javascript-in-plain-english/data-structures-understanding-graphs-82509d35e6b5)
- 📜 [Data Structures Two Ways: Linked List (Pt 1) — Freddie Duffield](https://dev.to/freddieduffield/data-structures-two-ways-linked-list-2n61)
- 📜 [Data Structures Two Ways: Linked List (Pt 2) — Freddie Duffield](https://dev.to/freddieduffield/data-structures-two-ways-linked-list-pt2-2i60)
- 📜 [Graph Data Structures Explained in JavaScript — Adrian Mejia](https://dev.to/amejiarosario/graph-data-structures-for-beginners-5edn)

### Videos

- 🎥 [Algorithms In Javascript | Ace Your Interview — Eduonix Learning Solutions](https://www.youtube.com/watch?v=H_EBPZgiAas&list=PLDmvslp_VR0zYUSth_8O69p4_cmvZEgLa)
- 🎥 [Data Structures and Algorithms in JavaScript — freeCodeCamp](https://www.youtube.com/watch?v=Gj5qBheGOEo&list=PLWKjhJtqVAbkso-IbgiiP48n-O-JQA9PJ)
- 🎥 [Learning JavaScript Data Structures and Algorithms: Sorting — Packt Video](https://www.youtube.com/watch?v=Ymh_AurrMbA)
- 🎥 [JavaScript Data Structures: Getting Started — Academind](https://www.youtube.com/watch?v=41GSinwoMYA&ab_channel=Academind)

**[⬆ Back to Top](#table-of-contents)**

---

## 28. Expensive Operation and Big O Notation

### Articles

- 📜 [Big O Notation in Javascript — César Antón Dorantes](https://medium.com/cesars-tech-insights/big-o-notation-javascript-25c79f50b19b)
- 📜 [Time Complexity/Big O Notation — Tim Roberts](https://medium.com/javascript-scene/time-complexity-big-o-notation-1a4310c3ee4b)
- 📜 [Big O in JavaScript — Gabriela Medina](https://medium.com/@gmedina229/big-o-in-javascript-36ff67766051)
- 📜 [Big O Search Algorithms in JavaScript — Bradley Braithwaite](https://www.bradoncode.com/blog/2012/04/big-o-algorithm-examples-in-javascript.html)
- 📜 [Algorithms in plain English: time complexity and Big-O Notation — Michael Olorunnisola](https://medium.freecodecamp.org/time-is-complex-but-priceless-f0abd015063c)
- 📜 [An Introduction to Big O Notation — Joseph Trettevik](https://dev.to/lofiandcode/an-introduction-to-big-o-notation-210o)

### Videos

- 🎥 [JavaScript: Intro to Big O Notation and Function Runtime — Eric Traub](https://www.youtube.com/watch?v=HgA5VOFan5E)
- 🎥 [Essential Big O for JavaScript Developers — Dave Smith](https://www.youtube.com/watch?v=KatlvCFHPRo)
- 🎥 [Big O Notation - Time Complexity Analysis — WebTunings](https://www.youtube.com/watch?v=ALl86xJiTD8)

**[⬆ Back to Top](#table-of-contents)**

---

## 29. Algorithms

### Articles

- 📜 [Data Structures and Algorithms using ES6](https://github.com/Crizstian/data-structure-and-algorithms-with-ES6)
- 📜 [Algorithms and data structures implemented in JavaScript with explanations and links to further readings](https://github.com/trekhleb/javascript-algorithms)
- 📜 [JS: Interview Algorithm](http://www.thatjsdude.com/interview/js1.html)
- 📜 [Algorithms in JavaScript — Thon Ly](https://medium.com/siliconwat/algorithms-in-javascript-b0bed68f4038)
- 📜 [JavaScript Objects, Square Brackets and Algorithms — Dmitri Grabov](https://medium.freecodecamp.org/javascript-objects-square-brackets-and-algorithms-e9a2916dc158)
- 📜 [Atwood's Law applied to CS101 - Classic algorithms and data structures implemented in JavaScript](https://github.com/felipernb/algorithms.js)
- 📜 [Data Structures and Algorithms library in JavaScript](https://github.com/yangshun/lago)
- 📜 [Collection of computer science algorithms and data structures written in JavaScript](https://github.com/idosela/algorithms-in-javascript)
- 📜 [Algorithms and Data Structures in JavaScript — Oleksii Trekhleb](https://dev.to/trekhleb/algorithms-and-data-structures-in-javascript-49i3)

**[⬆ Back to Top](#table-of-contents)**

---

## 30. Inheritance, Polymorphism and Code Reuse

### Reference

- 📜 [Inheritance in JavaScript — MDN](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Inheritance)
- 📜 [Class inheritance, super — JavaScript.Info](https://javascript.info/class-inheritance)

### Articles

- 📜 [Inheritance in JavaScript — Rupesh Mishra](https://hackernoon.com/inheritance-in-javascript-21d2b82ffa6f)
- 📜 [Simple Inheritance with JavaScript — David Catuhe](https://www.sitepoint.com/simple-inheritance-javascript/)
- 📜 [JavaScript — Inheritance, delegation patterns and Object linking — NC Patro](https://codeburst.io/javascript-inheritance-25fe61ab9f85)
- 📜 [Object Oriented JavaScript: Polymorphism with examples — Knoldus Blogs](https://blog.knoldus.com/object-oriented-javascript-polymorphism-with-examples/)
- 📜 [Program Like Proteus — A beginner’s guide to polymorphism in Javascript — Sam Galson](https://medium.com/yld-blog/program-like-proteus-a-beginners-guide-to-polymorphism-in-javascript-867bea7c8be2)
- 📜 [Object-oriented JavaScript: A Deep Dive into ES6 Classes — Jeff Mott](https://www.sitepoint.com/object-oriented-javascript-deep-dive-es6-classes/)

### Videos

- 🎥 [Inheritance in JavaScript — kudvenkat](https://www.youtube.com/watch?v=yXlFR81tDBM)
- 🎥 [JavaScript ES6 Classes and Inheritance — Traversy Media](https://www.youtube.com/watch?v=RBLIm5LMrmc)
- 🎥 [Polymorphism in JavaScript — kudvenkat](https://www.youtube.com/watch?v=zdovG9cuEBA)

**[⬆ Back to Top](#table-of-contents)**

---

## 31. Design Patterns

### Books

- 📜 [Learning JavaScript Design Patterns — Addy Osmani](https://addyosmani.com/resources/essentialjsdesignpatterns/book/)

### Articles

- 📜 [4 JavaScript Design Patterns You Should Know — Devan Patel](https://scotch.io/bar-talk/4-javascript-design-patterns-you-should-know)
- 📜 [JavaScript Design Patterns – Beginner's Guide to Mobile Web Development — Soumyajit Pathak](https://medium.com/beginners-guide-to-mobile-web-development/javascript-design-patterns-25f0faaaa15)
- 📜 [JavaScript Design Patterns — Akash Pal](https://medium.com/front-end-hacking/javascript-design-patterns-ed9d4c144c81)
- 📜 [Javascript Design Patterns: What They Are & How To Use Them — Patrick Simpson](https://seesparkbox.com/foundry/javascript_design_patterns)
- 📜 [JavaScript Design Patterns: Understanding Design Patterns in JavaScript - Sukhjinder Arora](https://blog.bitsrc.io/understanding-design-patterns-in-javascript-13345223f2dd)
- 📜 [All the 23 (GoF) design patterns implemented in Javascript — Felipe Beline](https://github.com/fbeline/Design-Patterns-JS)
- 📜 [The Power of the Module Pattern in JavaScript — jsmanifest](https://medium.com/better-programming/the-power-of-the-module-pattern-in-javascript-3c73f7cd10e8)
- 📜 [Design Patterns for Developers using JavaScript pt. I — Oliver Mensah](https://dev.to/omensah/design-patterns-for-developers-using-javascript----part-one--b3e)
- 📜 [Design Patterns for Developers using JavaScript pt. II — Oliver Mensah](https://dev.to/omensah/design-patterns-for-developers-using-javascript---part-two--3p39)
- 📜 [Design patterns in modern JavaScript development](https://levelup.gitconnected.com/design-patterns-in-modern-javascript-development-ec84d8be06ca)
- 📜 [Understanding Design Patterns: Iterator using Dev.to and Medium social networks! — Carlos Caballero](https://dev.to/carlillo/understanding-design-patterns-iterator-using-dev-to-and-medium-social-networks-3bdd)
- 📜 [JavaScript Design Patterns - Factory Pattern — KristijanFištrek](https://dev.to/kristijanfistrek/javascript-design-patterns-factory-pattern-562p)
- 📜 [JavaScript Design Pattern — Module Pattern - Factory Pattern — Moon](https://medium.com/javascript-in-plain-english/javascript-design-pattern-module-pattern-555737eccecd)
- 📜 [Design Patterns: Null Object - Carlos Caballero](https://medium.com/better-programming/design-patterns-null-object-5ee839e37892)
- 📜 [Strategy Pattern - Francesco Ciulla](https://dev.to/francescoxx/strategy-pattern-5oh)
- 📜 [Adapter Pattern - Francesco Ciulla](https://dev.to/francescoxx/adapter-pattern-5bjk)
- 📜 [The Power of Composite Pattern in JavaScript - jsmanifest](https://dev.to/jsmanifest/the-power-of-composite-pattern-in-javascript-2732)
- 📜 [In Defense of Defensive Programming - Adam Nathaniel Davis](https://dev.to/bytebodger/in-defense-of-defensive-programming-k45)

### Videos

- 🎥 [JavaScript Design Patterns — Udacity](https://www.udacity.com/course/javascript-design-patterns--ud989)
- 🎥 [JavaScript Patterns for 2017 — Scott Allen](https://www.youtube.com/watch?v=hO7mzO83N1Q)

**[⬆ Back to Top](#table-of-contents)**

---

## 32. Partial Applications, Currying, Compose and Pipe

### Books

- 📜 [Functional-Light JavaScript: Ch. 3 - Managing Function Inputs — Kyle Simpson](https://github.com/getify/Functional-Light-JS/blob/master/manuscript/ch3.md)

### Articles

- 📜 [Use function composition in JavaScript — Rémi](https://www.codementor.io/michelre/use-function-composition-in-javascript-gkmxos5mj)
- 📜 [Currying in JavaScript ES6 — Adam Bene](https://blog.benestudio.co/currying-in-javascript-es6-540d2ad09400)
- 📜 [Composition and Currying Elegance in JavaScript — Pragyan Das](https://medium.com/@pragyan88/writing-middleware-composition-and-currying-elegance-in-javascript-8b15c98a541b)
- 📜 [Functional JavaScript: Function Composition For Every Day Use — Joel Thoms](https://hackernoon.com/javascript-functional-composition-for-every-day-use-22421ef65a10)
- 📜 [Functional Composition: compose() and pipe() — Anton Paras](https://medium.com/@acparas/what-i-learned-today-july-2-2017-ab9a46dbf85f)
- 📜 [Why The Hipsters Compose Everything: Functional Composing In JavaScript — A. Sharif](http://busypeoples.github.io/post/functional-composing-javascript/)
- 📜 [A Gentle Introduction to Functional JavaScript pt III: Functions for making functions — James Sinclair](https://jrsinclair.com/articles/2016/gentle-introduction-to-functional-javascript-functions/)
- 📜 [Curry And Compose (why you should be using something like ramda in your code) — jsanchesleao](https://jsleao.wordpress.com/2015/02/22/curry-and-compose-why-you-should-be-using-something-like-ramda-in-your-code/)
- 📜 [Function Composition in JavaScript with Pipe — Andy Van Slaars](https://vanslaars.io/post/create-pipe-function/)
- 📜 [Practical Functional JavaScript with Ramda — Andrew D'Amelio, Yuri Takhteyev](https://developer.telerik.com/featured/practical-functional-javascript-ramda/)
- 📜 [The beauty in Partial Application, Currying, and Function Composition — Joel Thoms](https://hackernoon.com/the-beauty-in-partial-application-currying-and-function-composition-d885bdf0d574)
- 📜 [Curry or Partial Application? — Eric Elliott](https://medium.com/javascript-scene/curry-or-partial-application-8150044c78b8)
- 📜 [Partial Application in JavaScript — Ben Alman](http://benalman.com/news/2012/09/partial-application-in-javascript/)
- 📜 [Partial Application of Functions — Functional Reactive Ninja](https://hackernoon.com/partial-application-of-functions-dbe7d9b80760)
- 📜 [Currying vs Partial Application — Deepak Gupta](https://towardsdatascience.com/javascript-currying-vs-partial-application-4db5b2442be8)
- 📜 [Partial Application in ECMAScript 2015 — Ragan Wald](http://raganwald.com/2015/04/01/partial-application.html)
- 📜 [Functional Composition in Javascript — Joe Cortopassi](https://joecortopassi.com/articles/functional-composition-in-javascript/)
- 📜 [So You Want to be a Functional Programmer pt. I — Charles Scalfani](https://medium.com/@cscalfani/so-you-want-to-be-a-functional-programmer-part-1-1f15e387e536)
- 📜 [So You Want to be a Functional Programmer pt. II — Charles Scalfani](https://medium.com/@cscalfani/so-you-want-to-be-a-functional-programmer-part-2-7005682cec4a)
- 📜 [So You Want to be a Functional Programmer pt. III — Charles Scalfani](https://medium.com/@cscalfani/so-you-want-to-be-a-functional-programmer-part-3-1b0fd14eb1a7)
- 📜 [So You Want to be a Functional Programmer pt. IV — Charles Scalfani](https://medium.com/@cscalfani/so-you-want-to-be-a-functional-programmer-part-4-18fbe3ea9e49)
- 📜 [So You Want to be a Functional Programmer pt. V — Charles Scalfani](https://medium.com/@cscalfani/so-you-want-to-be-a-functional-programmer-part-5-c70adc9cf56a)
- 📜 [An introduction to the basic principles of Functional Programming — TK](https://medium.freecodecamp.org/an-introduction-to-the-basic-principles-of-functional-programming-a2c2a15c84)
- 📜 [Concepts of Functional Programming in Javascript — TK](https://medium.com/the-renaissance-developer/concepts-of-functional-programming-in-javascript-6bc84220d2aa)
- 📜 [An Introduction to Functional Programming Style in JavaScript — JavaScript Teacher](https://medium.freecodecamp.org/an-introduction-to-functional-programming-style-in-javascript-71fcc050f064)
- 📜 [A practical guide to writing more functional JavaScript — Nadeesha Cabral](https://medium.freecodecamp.org/a-practical-guide-to-writing-more-functional-javascript-db49409f71)
- 📜 [A simple explanation of functional pipe in JavaScript — Ben Lesh](https://dev.to/benlesh/a-simple-explanation-of-functional-pipe-in-javascript-2hbj)

### Videos

- 🎥 [Compose vs Pipe: Functional Programming in JavaScript — Chyld Studios](https://www.youtube.com/watch?v=Wl2ejJOqHUU)
- 🎥 [JavaScript Functional Programing: Compose — Theodore Anderson](https://www.youtube.com/watch?v=jigHxo9YR30)
- 🎥 [Function Composition - Functional JavaScript — NWCalvank](https://www.youtube.com/watch?v=mth5WpEc4Qs)
- 🎥 [JavaScript Function Composition Explained — Theodore Anderson](https://www.youtube.com/watch?v=Uam37AlzPYw)
- 🎥 [Let's code with function composition — Fun Fun Function](https://www.youtube.com/watch?v=VGB9HbL1GHk)
- 🎥 [Partial Application vs. Currying — NWCalvank](https://www.youtube.com/watch?v=DzLkRsUN2vE)
- 🎥 [JavaScript Partial Application — Theodore Anderson](https://www.youtube.com/watch?v=jkebgHEcvac)
- 🎥 [call, apply and bind method in JavaScript](https://www.youtube.com/watch?v=75W8UPQ5l7k&t=261s)

**[⬆ Back to Top](#table-of-contents)**

---

## 33. Clean Code

### Articles

- 📜 [Clean Code Explained – A Practical Introduction to Clean Coding for Beginners — freeCodeCamp](https://www.freecodecamp.org/news/clean-coding-for-beginners/)
- 📜 [Clean Code concepts adapted for JavaScript — Ryan McDermott](https://github.com/ryanmcdermott/clean-code-javascript)
- 📜 [Clean Code Practice: How to write clean code — Tirth Bodawala](https://www.atyantik.com/clean-code-practices-javascript/)
- 📜 [Function parameters in JavaScript Clean Code — Kevin Peters](https://medium.com/@kevin_peters/function-parameters-in-javascript-clean-code-4caac109159b)
- 📜 [Keeping your code clean — Samuel James](https://codeburst.io/keeping-your-code-clean-d30bcffd1a10)
- 📜 [Best Practices for Using Modern JavaScript Syntax — M. David Green](https://www.sitepoint.com/modern-javascript-best-practices/)
- 📜 [best practices for cross node/web development - Jimmy Wärting](https://github.com/cross-js/cross-js)
- 📜 [Writing Clean Code - Dylan Paulus](https://dev.to/ganderzz/on-writing-clean-code-57cm)
- 📜 [Writing Clean Code and The Practice of Programming - Nityesh Agarwal](https://dev.to/nityeshaga/writing-clean-code-and-the-practice-of-programming-actionable-advice-for-beginners-5f0k)
- 📜 [Clean code, dirty code, human code - Daniel Irvine](https://dev.to/d_ir/clean-code-dirty-code-human-code-6nm)
- 📜 [Practical Ways to Write Better JavaScript - Ryland G](https://dev.to/taillogs/practical-ways-to-write-better-javascript-26d4)
- 📜 [The Must-Know Clean Code Principles - Kesk on Medium](https://medium.com/swlh/the-must-know-clean-code-principles-1371a14a2e75)
- 📜 [The Clean Code Book - Robert C Martin](https://www.amazon.com/Clean-Code-Handbook-Software-Craftsmanship/dp/0132350882/)

### Videos

- 🎥 [JavaScript Pro Tips - Code This, NOT That](https://www.youtube.com/watch?v=Mus_vwhTCq0)
- 🎥 [Clean Code playlist - Beau teaches](https://www.youtube.com/watch?v=b9c5GmmS7ks&list=PLWKjhJtqVAbkK24EaPurzMq0-kw5U9pJh&index=1)

**[⬆ Back to Top](#table-of-contents)**
