React: Testing User Workflows with React Testing Library
A React component can render without errors and still provide a poor user experience. Buttons…
Posted inPerformance React
React: Improving Frontend Performance with Virtualized Lists
Rendering a list of a few dozen items is usually straightforward. Rendering thousands of rows,…
Posted inFrontend Development React
React: Designing Error Boundaries for Better User Experiences
Even well-tested applications encounter unexpected errors. A component may receive unexpected data, a third-party widget…
Posted inJavaScript React
React: Avoiding Stale Closures in Hooks and Event Handlers
React components frequently use callbacks, effects, and timers. These features are convenient, but they can…
Posted inReact
React: Optimistic UI Updates Without Inconsistent Data
Introduction Users expect an interface to respond immediately when they like a post, mark a…
Posted inReact
React: Managing Server State Without Duplicating It
Introduction React applications often fetch data from APIs and then store it in component state.…
Posted inReact
React: Building Accessible Forms with Reliable Validation
Introduction Forms are often the most important interaction in a web application. A registration form,…
Posted inReact
React: An End-of-Year Review of Modern Rendering Approaches
Introduction Modern React applications can render in the browser, generate HTML ahead of time, render…
Posted inReact
React: Incremental Adoption of React Compiler in Existing Projects
Introduction React performance optimization has often involved manually applying memo, useMemo, and useCallback. These tools…
Posted inReact
React 19.2: Activity, Effect Events, and Performance Tooling
Introduction React 19.2 introduced features that help developers manage component visibility, effect logic, and performance…