--- title: Best Functional Programming posts of 2023 | daily.dev description: The most upvoted Functional Programming posts of 2023, curated by the daily.dev community. canonical: https://daily.dev/tags/functional-programming/best-of/2023 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/tags/functional-programming/best-of/2023 og:type: website og:site_name: daily.dev og:title: Best Functional Programming posts of 2023 | daily.dev og:description: The most upvoted Functional Programming posts of 2023, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Functional Programming — 2023 1. 1 [](/posts/currying-in-javascript-a0vfjcoyl "Currying in JavaScript") Article Community Picks · 4y Currying in JavaScript Currying in JavaScript is a functional programming technique that involves transforming a function with multiple arguments into a series of functions that each take a single argument. It allows for code reusability, improved readability, function composition, easier testing, better code organization, improved performance, and more flexible function composition. Currying can be used in event handling, API calls, and data processing. 70 11 2. 2 [](/posts/how-to-write-simpler-javascript-code-vndqbweuw "How to Write Simpler JavaScript Code") Article freeCodeCamp · 4y How to Write Simpler JavaScript Code Learn ten tips for simplifying your JavaScript code, including using arrow functions, descriptive variable names, functional programming, avoiding code nesting, using default parameters, destructuring, promises, array methods, object methods, and libraries/frameworks. 70 7 3. 3 [](/posts/forever-functional-maximize-javascript-s-performance-with-transducers-qyokrasr5 "Forever Functional: Maximize JavaScript's performance with transducers") Article asayer · 3y Forever Functional: Maximize JavaScript's performance with transducers Learn how to optimize JavaScript's performance with transducers by applying transformations in a single step, reducing the need for intermediate arrays and improving performance. 66 4 4. 4 [](/posts/learn-functional-programming-in-javascript-kfjxoe7cj "Learn Functional Programming in JavaScript") Article Tuts+ · 4y Learn Functional Programming in JavaScript Learn functional programming with JavaScript, covering concepts like first-class functions, immutability, composing functions, currying, and working with the DOM. Set up your development area and learn about composition, handling events, and working with arrays. 55 5. 5 [](/posts/the-easiest-and-hardest-programming-languages-to-learn-d4zl5jigj "The Easiest and Hardest Programming Languages to Learn") Article Hacker Noon · 3y The Easiest and Hardest Programming Languages to Learn The Easiest and Hardest Programming Languages to Learn are called programming languages. Computer systems are completely dependent on human beings to train them to take decisions. High-level languages have been developed which consist of English language words to help human beings program the computer systems. 46 15 6. 6 [](/posts/functional-programming-an-effective-approach-for-experienced-programmers-cxbuuidpa "Functional Programming: An Effective Approach for Experienced Programmers") Article Hacker Noon · 4y Functional Programming: An Effective Approach for Experienced Programmers Functional programming is a way of writing code that relies on the use of functions to solve problems. Pure functions always produce the same output for a given input and do not have any side effects. In addition, functional programming emphasizes immutability, or the inability to alter data once it has been created. 45 5 7. 7 [](/posts/programming-types-and-mindsets-n37wnxl6j "Programming types and mindsets") Article David Heinemeier Hansson · 3y Programming types and mindsets The shorter the faith, the brighter the flame. I'm unashamedly a dynamic typing kind of guy. To me, Ruby with explicit, static typing would be like a salad with a scoop of ice cream. It takes full advantage of dynamic typing to allow the poetic syntax that results in such beautiful code. 29 6 8. 8 [](/posts/essential-concepts-in-functional-programming-with-javascript-3rgjbxs0r "Essential Concepts in Functional Programming with JavaScript") Article Medium · 4y Essential Concepts in Functional Programming with JavaScript Functional programming in JavaScript allows for more modular and reusable code by treating functions as first-class citizens. Higher-order functions provide a more abstract approach, pure functions promote code predictability, immutability ensures data is not modified directly, and recursion allows for solving complex problems by breaking them down into smaller ones. 29 1 9. 9 [](/posts/introduction-to-11-core-javascript-functions-to-improve-code-quality-l9v-qebib "Introduction To 11 Core JavaScript Functions To Improve Code Quality") Article Community Picks · 4y Introduction To 11 Core JavaScript Functions To Improve Code Quality Learn about 11 core JavaScript functions that can significantly improve code quality, including map(), filter(), and reduce(). These functions can help you solve problems more efficiently and write less code. 29 12 10. 10 [](/posts/kotlin-is-the-future-of-back-end-development--wilreftrh "Kotlin is the Future of Back-end Development.") Article Towards Dev · 4y Kotlin is the Future of Back-end Development. Ktor is a framework to easily build connected applications - web applications, HTTP services, mobile and browser applications. Kotlin's Builder DSL will change the way you code Higher-order functions in Kotlin can make a big way to writing cleaner and reliable code medium. Ktor is one brilliant feature implemented by JetBrains. 29 10 11. 11 [](/posts/function-composition-in-javascript-zkmthgfer "Function composition in JavaScript") Article 30 seconds of code · 3y Function composition in JavaScript Function composition in JavaScript is the process of combining multiple functions to produce a new function. It provides readability, reusability, and modularity. 25 12. 12 [](/posts/forever-functional-maximize-javascript-s-performance-without-transducers-kroivnfmg "Forever Functional: Maximize JavaScript's Performance WITHOUT Transducers") Article asayer · 3y Forever Functional: Maximize JavaScript's Performance WITHOUT Transducers The article discusses different solutions for optimizing long sequences of operations on JavaScript arrays without using transducers. It starts with a basic solution and gradually introduces more general and simplified methods. The final solution allows for any sequence of mapping and filtering operations, with optional reducing steps. 26 13. 13 [](/posts/4-ways-to-implement-factory-pattern-in-javascript-0azunoukl "4 ways to implement Factory Pattern in Javascript") Article ITNEXT · 4y 4 ways to implement Factory Pattern in Javascript Factory Pattern is a type of creational pattern that usually describes common aspects of entities by creating a base class, and allows sub-classes to inherit its behaviour and alter it. This article will include both Javascript and Typescript examples. For example, we want to implement Euro, Dollar and British Pounds wallets. 26 14. 14 [](/posts/an-introduction-to-functional-programming-srkarjkyh "An introduction to functional programming") Article 30 seconds of code · 3y An introduction to functional programming Functional programming is a programming paradigm that emphasizes the application of functions and avoids changing state and mutable data. Core concepts include pure functions, immutability, higher-order functions, and recursion. Benefits of functional programming include easier reasoning about code, testability, and reusability. 22 15. 15 [](/posts/functional-programming-with-javascript-a-deep-dive-wms5tdtgj "Functional Programming With JavaScript: A Deep Dive") Article Hacker Noon · 3y Functional Programming With JavaScript: A Deep Dive Functional programming with JavaScript is a programming paradigm that treats computation as the evaluation of mathematical functions. We're going to demystify the secrets of functional programming, break down its fundamental concepts, and arm you with the tools to unleash its potential in your projects. 21 16. 16 [](/posts/everything-you-need-to-know-about-pipe-and-compose-functions-in-javascript-uwqaehejp "Everything you need to know about pipe and compose functions in JavaScript") Article Medium · 4y Everything you need to know about pipe and compose functions in JavaScript Functional programming in JavaScript involves using functions as the primary building blocks and treating them as first-class citizens. Two popular higher-order functions used in functional programming are the pipe and compose functions, which allow for chaining multiple functions together. 19 1 17. 17 [](/posts/understanding-javascript-currying-1eduvugs6 "Understanding JavaScript currying") Article 30 seconds of code · 3y Understanding JavaScript currying Currying is a process that transforms a function that takes multiple arguments into a series of functions that each take a single argument. This makes code more flexible and reusable. In JavaScript, currying can be done by creating a curry() function using recursion. Variadic functions, which accept a variable number of arguments, require additional considerations for currying. 15 18. 18 [](/posts/forever-functional-complex-typing-in-typescript-part-2-e7e4lmorw "Forever Functional: Complex Typing in TypeScript, Part 2") Article asayer · 3y Forever Functional: Complex Typing in TypeScript, Part 2 This article explores how to add types to currying functions in TypeScript. It provides a simple version and a full version of checking types, with the latter being able to handle any number of parameters. Currying is a powerful functional programming technique that can lead to safer and more efficient code. 16 19. 19 [](/posts/formatters-linters-and-compilers-oh-my--l4wfbnkrt "Formatters, linters, and compilers: Oh my!") Article Community Picks · 3y Formatters, linters, and compilers: Oh my! Static analysis tools can be integrated with major code editors and CI systems to provide real-time feedback, automated code improvements, and enforce best practices. Most static analysis tools fall into one of three categories, in order of complexity. Formatters, linters, and compilers focus on converting JavaScript code written using newer language features. 16 20. 20 [](/posts/how-to-use-functional-programming-to-create-better-code-ahtgotg7h "How to Use Functional Programming to Create Better Code") Article Medium · 3y How to Use Functional Programming to Create Better Code Learn how to leverage functional programming principles to create safer, more readable, and less buggy code. Discover the benefits of using pure functions, immutable data structures, recursion, and higher-order functions. 16 21. 21 [](/posts/adopting-react-in-the-early-days-ytd5oaihd "Adopting React in the Early Days") Article Honeypot · 4y Adopting React in the Early Days Adopting React in the early days was challenging, with no clear solutions to common problems. Proof-of-concepts were created with AngularJS and ReactJS. The introduction of Redux had a significant impact on the React community. 16 1 22. 22 [](/posts/how-to-do-functional-programming-right-in-4-key-points-waswg3xt8 "How to Do Functional Programming Right in 4 Key Points") Article Community Picks · 3y How to Do Functional Programming Right in 4 Key Points Learn how to avoid common pitfalls in React functional programming, such as unnecessary re-renders caused by inline functions as props and derived data from props. Embrace composition over inheritance for more reusable and maintainable code. 15 2 23. 23 [](/posts/error-handling-in-go-with-the-result-pattern-myurvp5kz "Error handling in Go with the Result Pattern") Article Towards Dev · 3y Error handling in Go with the Result Pattern An article on error handling in Go using the Result Pattern, which allows for different outcomes, such as success, failure, or exception. The pattern avoids using exceptions for control flow and instead returns a structured object with relevant information. Custom error types and examples are also covered. 14 24. 24 [](/posts/flappy-bird-implemented-in-typescript-types-d0u2fd5n9 "Flappy Bird Implemented in Typescript types") Article Community Picks · 3y Flappy Bird Implemented in Typescript types Flappy Bird Implemented in Typescript types. The ultimate type-level trickery I wrote a 2D flappy bird game, purely in Typ Escript types. The game is written entirely in Typeescript type annotations, which—if you didn't know—are Turing complete. 13 2 25. 25 [](/posts/understanding-the-functional-programming-paradigm-wsfcolneh "Understanding the Functional Programming Paradigm") Article ITNEXT · 3y Understanding the Functional Programming Paradigm Understanding the Functional Programming Paradigm will help you write more efficient code, improving your programming skills. In functional programming, data is treated as immutable, meaning once created, it cannot be changed. Pure Functions Pure functions are functions that always produce the same output for a given set of inputs, and they have no side effects. 12 [See all Functional Programming archives](/tags/functional-programming/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} 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