JavaScript

Integration tests provide a lot of value considering the time and effort required for testing. React integration tests improve code maintainability, yet they don’t slow down development. In this article, Toptal Software Developer Anton Rublev demonstrates how you can harness the power of react-testing-library to create superior code without wasting time.

Are Vue.js, React, and Angular actually delivering a good developer and user experience, or are they used simply because they're the current de facto standard? Discover some exciting approaches to web development.

There are a number of ways of implementing animated full-screen layouts with a large degree of human interaction, and many developers would resort to a JavaScript plugin to save time. In this article, Toptal JavaScript Developer Stefan Vitasovic demonstrates how you can do it using nothing but CSS and JavaScript, without including a bloated library or plugin in your project.

Types and testable code are two of the most effective ways of avoiding bugs. In this tutorial, discover TypeScript best practices while you create a Discord bot from scratch.

With a static site generator back end in place from Part 1, now it's time to implement a Gatsby.js-based front end, host it on Netlify, and get AWS to activate the whole pipeline.

Static websites are simple and fast, but it's also possible to automate updates to them to keep them fresh and relevant. Find out how to generate daily-updated HTML pages that track the latest releases of popular GitHub repositories.

While components have been available in Angular since the beginning, they’re still easy to mess up with common mistakes like people not using them at all, creating components instead of attribute directives, and more. In this article, Toptal Freelance JavaScript Developer Valters Valdersteins differentiates the correct and incorrect ways to use Angular components and illustrates them with examples.

In recent years, React has established itself as the most popular library in the JavaScript universe. However, rather than rest on its laurels, the React team is still working hard to make it better. In the second part of our React tutorial series, Toptal JavaScript Developer Kamil Jakubczak takes a closer look at some of its features, including hooks, the latest addition to React.

Bulletproof data validation is fundamental to implementing a back-end API. Find out how datalize, a Node.js library, makes this easy—and formats your data nicely, too.