In a Next.js application I'm working on, I have an "admin" page, which lets me manage registered users:

There are many articles written about React performance optimizations. In general, if some state update is slow, you need to:

When I first started using styled-components, it seemed like magic ✨.

How to interpret the testing trophy for optimal clarity

I had a neat realization recently: Buttons are the “killer feature” of the web.

In Application State Management with React, I talk about how using a mix of local state and React Context can help you manage state well in any React application. I showed some examples and I want to call out a few things about those examples and how you can create React context consumers effectively so you avoid some problems and improve the developer experience and maintainability of the context objects you create for your application and/or libraries.

Suponha que seu projeto tenha uma base de código com 150 arquivos JavaScript e você precisar migrar para TypeScript alterando as extensões dos arquivos. 🤔

As JavaScript developers, the sheer amount of stuff we're expected to know is enormous, and it grows bigger every day.

The React team is excited to share a few updates:

Neste post vamos desenvolver uma página web para demonstrar, na prática, a integração de Mapas em uma aplicação com React usando Leaflet.