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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

Don't afraid to post an article or being wrong.
Learn in public.

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Oluwabusayo Jacobs

Dec 12 '25

Build a YouTube Live Clone with Next.js, Clerk, and TailwindCSS - Part One

#webdev #react #javascript #programming

20 min read

Jan 11

Building Your Own `useReducer`

#react #webdev

3 min read

ZeeshanAli-0704

Jan 11

Polyfill - useEffect (React)

#javascript #react #tutorial

5 min read

ZeeshanAli-0704

Jan 11

Polyfil - useReducer

#interview #tutorial #javascript #react

5 min read

Muhammad Sheharyar Butt

Dec 10 '25

🚀 Introducing SysPeek v1.1.0 – A Modern System Information Viewer for Windows, macOS, and Linux (New Release!)

#showdev #tooling #javascript #react

2 min read

Jan 11

Mastering React's Dynamic Side: State, Events, and Conditional Rendering! (React Day 3)

#react #babel #javascript #webdev

4 min read

Dec 8 '25

Performance Traps When Your Next.js CMS Setup Becomes Too Bloated (and How to Fix Them)

#nextjs #react #performance #architecture

3 min read

Vladimir Kukresh

Dec 12 '25

⚠️ Critical RCE Vulnerability in React Server Components (CVSS 10.0)

#webdev #vulnerabilities #react #nextjs

2 min read

Jan 10

React Native Optimization: Stop Recreating Functions in Large Lists (FlatList, Flashlist, LegendList...)

#reactnative #react #softwaredevelopment #programming

2 min read

Usama

Jan 10

Today I Truly Understood Custom Hooks (And Built My Own)

#react #frontend #learning #webdev

2 min read

Jan 10

Dark Mode with Tailwind v4 & next-themes

#react #webdev #tailwindcss #darkmode

2 min read

Dec 8 '25

Controlled vs. Uncontrolled Components in React: A Practical Guide

#webdev #react

4 min read

B.G.Skillz 🧑‍💻

Dec 20 '25

Dockerizing a React Task: A Hands-On DevOps Implementation

#devops #react #docker #containers

2 min read

Pedram

Dec 10 '25

You Probably Don’t Need useEffect (Most of the Time)

#webdev #react #nextjs #frontend

2 min read

Dec 6 '25

React + Redux Toolkit + Axios

#react #redux #reduxtoolkit #javascript

2 min read

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