KentCDodds.com is the personal website and blog of Kent C. Dodds, a software engineer, educator, and open-source contributor known for his work in the React ecosystem. He writes about modern web development, testing, accessibility, performance, and developer experience, focusing on how to build reliable, maintainable, and scalable applications. Kent is the creator of popular libraries such as Testing Library and Remix, and his articles often highlight practical approaches to writing better React components, handling state, and improving user experience. Beyond tutorials, the site features courses, workshops, podcasts, and conference talks, all aimed at helping developers learn by doing. With his teaching-first philosophy and clear explanations, KentCDodds.com has become one of the most trusted learning resources in the React and JavaScript community.
195 articles from this blog
Explains what JavaScript polyfills are and how they differ from code transpiling, using a real-world IE bug as an example.
The author argues against using shallow rendering for React component testing, explaining its pitfalls and advocating for better alternatives.
A guide on achieving test isolation in React components to improve test reliability and prevent shared mutable state issues.
Announcing the release of downshift 2.0.0, featuring improved accessibility, React Native support, a simpler API, and better TypeScript definitions.
A guide to using ES6 default parameters in JavaScript functions to simplify code and handle required arguments.
An article exploring the causes of FOMO (Fear Of Missing Out), its paralyzing effects, and practical strategies for managing it.
A guide comparing the Control Props and State Reducers patterns in React, explaining their use cases and differences.
A guide to writing custom Babel macros for zero-config code transformation, using a fun example to get started.
A guide to using the React DevTools browser extension for inspecting and debugging React component state.
Explains React prop drilling, its problems, and solutions for avoiding it in component trees.
A developer shares practical steps for learning and contributing to an open source codebase, from reading guidelines to debugging.
A guide to combining multiple advanced React patterns like Render Props, Compound Components, and HOCs into a single component.
The article argues for writing pure JavaScript modules that export functions to improve performance, debuggability, and tree-shaking.
A guide on migrating React components from the old Context API to the new official one, using a Toggle component as an example.
Explores the power of React's render prop pattern for building composable, flexible components, using Downshift as a key example.
Introducing react-testing-library, a lightweight React testing utility that encourages testing components like a user would.
A historical React article explaining when to avoid the render props pattern, advocating for custom hooks as a superior alternative.
An explanation of JavaScript mocking using a thumb war game example to test a non-deterministic function.
A developer shares three actionable ideas to help software engineers increase their marketability and stand out in the job market.
The author explains how teaching others solidifies your own learning and outlines their personal learning process.
