DEV Community

React

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

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Why Your React Data Tables Are a Bloated Mess (And How to Automate Them)

Why Your React Data Tables Are a Bloated Mess (And How to Automate Them)

1
Comments
2 min read
Building a BMI Calculator with Metric & Imperial Support in React

Building a BMI Calculator with Metric & Imperial Support in React

Comments
4 min read
Building a Cryptographically Secure Password Generator in React

Building a Cryptographically Secure Password Generator in React

Comments
4 min read
I’m sick of $200 SaaS boilerplates that leak tenant data. Here is how to build real isolation.

I’m sick of $200 SaaS boilerplates that leak tenant data. Here is how to build real isolation.

1
Comments
2 min read
Unit Testing in React Using Vitest — A Practical Guide

Unit Testing in React Using Vitest — A Practical Guide

Comments
7 min read
PockIt: The Voice-Activated Personal Expense Tracker

PockIt: The Voice-Activated Personal Expense Tracker

1
Comments
5 min read
Escalando el estado en React con Context + Reducer

Escalando el estado en React con Context + Reducer

1
Comments
5 min read
Headless Components Are Useless Without a Styling Strategy

Headless Components Are Useless Without a Styling Strategy

3
Comments
8 min read
React in 2026: Start From Scratch the Right Way (+ Cheat Sheet)

React in 2026: Start From Scratch the Right Way (+ Cheat Sheet)

25
Comments
6 min read
I replaced a Puppeteer service with 39 lines of code

I replaced a Puppeteer service with 39 lines of code

Comments
3 min read
Long Tasks Are Quietly Killing Your React App's Performance

Long Tasks Are Quietly Killing Your React App's Performance

2
Comments
5 min read
Stop Building Multi-Tenant SaaS From Scratch. I Open-Sourced My Foundation. 🚀

Stop Building Multi-Tenant SaaS From Scratch. I Open-Sourced My Foundation. 🚀

2
Comments
1 min read
Your React Component Isn't Too Big. It Has Too Many Reasons to Change.

Your React Component Isn't Too Big. It Has Too Many Reasons to Change.

2
Comments
18 min read
useOptimistic: Build Snappier React UIs with Optimistic Updates

useOptimistic: Build Snappier React UIs with Optimistic Updates

1
Comments 2
8 min read
One Schema, Zero Drift: How Zod Keeps My Frontend and Backend in Sync

One Schema, Zero Drift: How Zod Keeps My Frontend and Backend in Sync

Comments
5 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.