React.js

RTK Query, part of the Redux Toolkit, provides powerful data-fetching and caching capabilities similar to React Query. This article highlights the functionalities of RTK Query and demonstrates its use in real-life scenarios, complete with detailed code examples.

State management in React has been a hotly debated topic for years, yet little attention seems to be paid to enterprise-level applications and their specific requirements. Let’s take a closer look and compare three of the most popular state management tools available today.

While React is often lauded for making front-end development more efficient, this popular library can be problematic for search engines.

In this article, Toptal data visualization engineer Vineet Markan examines why React is challenging for SEO and outlines what software engineers can do to improve the search rankings of React websites.

Testing can be a daunting task even for experienced teams with an abundance of resources. How do Toptal developers write tests and what do they use?

In this article, Toptal React Developer Boris Yordanov introduces you to Picasso, a component library designed by our developers for in-house use.

Reporting and visualizing data is crucial to businesses of all sizes. Dashboards allow users to efficiently access and use this data for a range of business operations.

In this article, Toptal Full-stack Engineer Dylan Golow demonstrates how he created a powerful dashboard for telemedicine using Airtable, Typeform, and React.

WebAssembly gives near-native performance to web apps and allows languages other than JavaScript—plus their libraries—to be used on the web. This tutorial leverages Rust and the Web Audio API to make a basic guitar tuner app that runs at 60 FPS, even on mobile.

JavaScript frameworks based on React can help you build a fast, reliable mobile app, but it’s not always easy to determine which framework is best for your project. Choosing the wrong framework can result in an app with slow and redundant code.

JavaScript expert Sean Wang builds the same natural language processing mobile application using Cordova, Ionic, and React Native, then discusses the advantages and limitations of each.

Employing a test-driven development (TDD) approach in React projects tends to be straightforward, especially with the aid of Jest and Enzyme. However, there are a few things to look out for.

In this article, a Toptal JavaScript expert demonstrates his React TDD process, from epics and user stories to development and production.

A relatively recent addition to React, hooks have already changed React development for the better through improved code readability and state management. But how do we test them?

In this article, Toptal React Developer Avi Aryan outlines why it is crucial to test hooks and introduces us to his React Hooks testing routine.