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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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Oct 4 '25

React Keep-Alive: The Complete Guide Every Developer Needs 🚀

#webdev #programming #javascript #react

24 min read

Sep 1 '25

React Query - why does it matter?

#react #javascript #webdev

2 min read

Arka Chakraborty

Sep 15 '25

Unlocking Literal Types in TypeScript with "as const"

#webdev #javascript #react #typescript

1 min read

Arka Chakraborty

Sep 15 '25

Mastering Immutability and Type Safety in React + TypeScript

#react #webdev #javascript #typescript

1 min read

Andrii

Oct 5 '25

Webauthn authentication with React and Nest.js

#react #security #fullstack #javascript

13 min read

Dinesh G

Sep 1 '25

My Java Full Stack Journey Learning in JavaScript

#html #css #react #javascript

1 min read

Dinesh G

Sep 2 '25

My Java Full Stack Journey Learning in JavaScript

#html #css #javascript #react

1 min read

Dinesh G

Sep 2 '25

My Java Full Stack Journey Learning in JavaScript

#html #css #javascript #react

1 min read

Dinesh G

Sep 2 '25

My Java Full Stack Journey Learning in JavaScript

#html #css #javascript #react

2 min read

Dinesh G

Sep 1 '25

My Java Full Stack Journey Learning in JavaScript

#javascript #html #css #react

1 min read

support

Oct 4 '25

[Showcase] Just launched: Sound Level Meter — a professional online sound measurement tool built entirely in the browser 🔊

#showdev #react #javascript #nextjs

2 min read

Louis Liu

Oct 2 '25

Building a Custom Key Binding Recorder in React

#webdev #javascript #react #programming

3 min read

Yogesh Bamanier

Sep 23 '25

⚡ React Internals: Virtual DOM 🖼️ vs Fiber Node 🔗 for Performance Explained

#react #virtualdom #fiber #ai

2 min read

Yogesh Bamanier

Sep 23 '25

⚡ React Internals: Virtual DOM 🖼️ vs Fiber Node 🔗 for Performance Explained

#react #virtualdom #fiber #ai

2 min read

Yevhen Kozachenko 🇺🇦

Oct 3 '25

🔥 Stop Using useState for Everything in React — The Hidden Performance Trap No One Talks About!

#react #performance #customhooks #webdev

3 min read

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