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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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Cover image for Building Reddit Game with Devvit and TypeScript (starter included)

JavaScript Room

Nov 8 '25

Building Reddit Game with Devvit and TypeScript (starter included)

#typescript #javascript #webdev #react

2 min read

LAKSHMI G

Oct 7 '25

React Question & Answer

#beginners #javascript #react

4 min read

Dharmesh

Oct 7 '25

# Managing CRUD Operations in React using Context API & TypeScript

#react #tutorial #typescript

2 min read

Cover image for TWD getting started

Kevin Julián Martínez Escobar

Nov 9 '25

TWD getting started

#react #tutorial #testing #twd

3 min read

Cover image for Testing While Developing (Part 3): Mocking API Requests

Kevin Julián Martínez Escobar

Nov 10 '25

Testing While Developing (Part 3): Mocking API Requests

#react #tutorial #testing #twd

7 min read

Cover image for Testing While Developing (Part 1) – Installation and First Test

Kevin Julián Martínez Escobar

Nov 9 '25

Testing While Developing (Part 1) – Installation and First Test

#react #tutorial #testing #twd

3 min read

Cover image for I wrestled AppSync WebSockets for 4 hours so you don’t have to (React + GraphQL Subscriptions)

Nov 8 '25

I wrestled AppSync WebSockets for 4 hours so you don’t have to (React + GraphQL Subscriptions)

#aws #graphql #devbugsmash #react

4 min read

Cover image for Testing While Developing (Part 5): Collecting Coverage

Kevin Julián Martínez Escobar

Nov 10 '25

Testing While Developing (Part 5): Collecting Coverage

#react #tutorial #testing #twd

4 min read

Cover image for Testing While Developing (Part 4): Running Tests in CI

Kevin Julián Martínez Escobar

Nov 10 '25

Testing While Developing (Part 4): Running Tests in CI

#react #tutorial #testing #twd

3 min read

Cover image for React 19.2: Deep Dive into Activity and useEffectEvent

Taron Vardanyan

Nov 10 '25

React 19.2: Deep Dive into Activity and useEffectEvent

#react #javascript #frontend #hooks

2 min read

Jeet Singh

Oct 19 '25

This was a feature not a bug🐞

#tooling #learning #javascript #react

2 min read

Jayce Li

Nov 10 '25

Building DayFlow: A Modern React Calendar Library with Temporal API and Advanced Drag-and-Drop

#showdev #react #ui #javascript

6 min read

Kajol Shah

Nov 10 '25

React Core Web Vitals: 7 fixes that Actually Move the Needle [2025 Playbook]

#reactjsdevelopment #webdev #frontend #react

4 min read

Usama

Nov 9 '25

💾 Day 4: Firebase Integration & Password Reset Complete!

#react #firebase #webdev #javascript

1 min read

Cover image for The Last SVG Tool You’ll Ever Need: A Zero-Dependency Alternative to SVGR

navid rezadoost

Nov 9 '25

The Last SVG Tool You’ll Ever Need: A Zero-Dependency Alternative to SVGR

#react #vue #angular #svelte

5 min read

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