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React

Official tag for Facebook's React JavaScript library for building user interfaces

about #react

React is a declarative, component-based library, you can learn once, and write anywhere

Editor Guide

Check out this Editor Guide
or this post to learn how to add code syntax highlights, embed CodeSandbox/Codepen, etc

Official Documentations & Source

Improving Your Chances for a Reply

by putting a minimal example to either JSFiddle, Code Sandbox, or StackBlitz. Describe what you want it to do, and things you've tried. Don't just post big blocks of code!

Where else to ask questions

StackOverflow tagged with [reactjs] Beginner's Thread / Easy Questions (Jan 2020) on r/reactjs subreddit.

Note: a new "Beginner's Thread" created as sticky post on the first day of each month

Learn in Public

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Learn in public.

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Cover image for React Foam: The 1KB State Management Library You Can Master in 5 Minutes

Aug 17 '25

React Foam: The 1KB State Management Library You Can Master in 5 Minutes

#javascript #react #zustand #webdev

3 min read

Cover image for React 19 Concurrency Deep Dive — Mastering `useTransition` and `startTransition` for Smoother UIs

Ali Aslam

Aug 18 '25

React 19 Concurrency Deep Dive — Mastering `useTransition` and `startTransition` for Smoother UIs

#webdev #react #programming #javascript

14 min read

Cover image for React 19 `useDeferredValue` Deep Dive — How to Keep Your UI Smooth When Things Get Heavy

Ali Aslam

Aug 18 '25

React 19 `useDeferredValue` Deep Dive — How to Keep Your UI Smooth When Things Get Heavy

#webdev #performance #react #usedeferredvalue

8 min read

Cover image for React 19 Deep Dive — Forms & Actions with `useFormState`, `useFormStatus`, and `useOptimistic`

Ali Aslam

Aug 18 '25

React 19 Deep Dive — Forms & Actions with `useFormState`, `useFormStatus`, and `useOptimistic`

#react #webdev #beginners #frontend

12 min read

Cover image for Usando Guard/Wrapper components como alternativa a condições ternárias no React

Luma Montes for Pupunha Code

Aug 18 '25

Usando Guard/Wrapper components como alternativa a condições ternárias no React

#react #braziliandevs #webdev #programming

4 min read

Cover image for React Server Components Deep Dive — What They Are, How They Work, and When to Use Them

Ali Aslam

Aug 18 '25

React Server Components Deep Dive — What They Are, How They Work, and When to Use Them

#react #servercomponents #webdev #fullstack

16 min read

Ranjani R

Aug 18 '25

REACT-HOOKS

#react #javascript #career

1 min read

DCT Technology Pvt. Ltd.

Jul 15 '25

The 80/20 Rule of Code Optimization – and When to Break It

#performance #webdev #javascript #react

3 min read

Cover image for The Definitive React 19 useId Guide — Patterns, Pitfalls, and Pro Tips

Ali Aslam

Aug 18 '25

The Definitive React 19 useId Guide — Patterns, Pitfalls, and Pro Tips

#react #webdev #frontend #react19

8 min read

Cover image for How Intlayer helps to speed up i18n

Aug 17 '25

How Intlayer helps to speed up i18n

#internationalization #opensource #react #webdev

5 min read

Marcel Bos

Jul 14 '25

Introducing fluent-state: A Lightweight, Proxy-Based React State Hook

#react #javascript #statemanagement #hooks

3 min read

Jul 14 '25

Day 1: Building a Responsive Website Header - React + Tailwind Setup

#webdev #react #tailwindcss #motion

4 min read

Cover image for Toastify: The Lightweight, No-Dependency Toast Notification Library for Your Web Apps

Andreas Nicolaou

Aug 17 '25

Toastify: The Lightweight, No-Dependency Toast Notification Library for Your Web Apps

#javascript #angular #vue #react

1 min read

Cover image for 🍝 Spaghetti Code: Why Your App Breaks When You Touch One Line

Jonathan Idioseph

Aug 17 '25

🍝 Spaghetti Code: Why Your App Breaks When You Touch One Line

#javascript #programming #nextjs #react

3 min read

Cover image for Building Timelines in React Shouldn’t Be This Hard

karolk

Jul 28 '25

Building Timelines in React Shouldn’t Be This Hard

#webdev #programming #reactjsdevelopment #react

2 min read

Matt C

Jul 14 '25

🚀 fetchff 4.0.0 is officially released! (Jul 14, 2025)

#webdev #programming #javascript #react

2 min read

Cover image for Build a Dark Mode Toggle in Vite + React

Akhilesh

Aug 17 '25

Build a Dark Mode Toggle in Vite + React

#darkmode #react #webdev #uidesign

2 min read

Cover image for React Fundamentals: What It Is, Why We Use It, and How to Get Started

Sep 1 '25

React Fundamentals: What It Is, Why We Use It, and How to Get Started

#webdev #javascript #react #beginners

4 min read

Jul 14 '25

Inside React 16 (Fiber) – What’s Changing?

#react #fiber #javascript

2 min read

Jul 14 '25

Building UIs with React.js – A Beginner’s Tutorial

#react #javascript #ui

2 min read

Jul 14 '25

Using React Hooks – A New Way to Write Components

#react #hooks #usestate #useeffect

1 min read

Cover image for The Definitive React 19 useCallback Guide — Patterns, Pitfalls, and Performance Wins

Ali Aslam

Aug 17 '25

The Definitive React 19 useCallback Guide — Patterns, Pitfalls, and Performance Wins

#react #webperf #usecallback #programming

11 min read

Cover image for React 19 useMemo Explained How to Make React Remember Stuff (and When Not To)

Ali Aslam

Aug 17 '25

React 19 useMemo Explained How to Make React Remember Stuff (and When Not To)

#webdev #frontend #react #usememo

16 min read

Cover image for React Native vs Flutter: Which one is best?

Aug 20 '25

React Native vs Flutter: Which one is best?

#react #flutter #reactnative #mobile

4 min read

Julian van Loggerenberg

Jul 14 '25

We build our web apps with vanilla JS — here’s how (and why)

#javascript #webdev #opensource #react

1 min read

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