3 articles tagged #Frontend
Memory leaks in React applications aren't always caused by forgotten event listeners or timers. Stale closures created by React Hooks can keep references to outdated state, props, and objects alive far longer than expected. Learn why stale closures occur, how they contribute to memory leaks,
useReducer is one of React's most powerful state management hooks, but many developers are surprised when reducer state resets after a component re-mount. Learn why state disappears, what causes unexpected re-mounts, and how to preserve application state across renders, navigation, and UI updates.
Many developers assume that fetch() throws an error whenever an API request fails. In reality, fetch only rejects promises for network-level failures, allowing HTTP errors like 404 and 500 responses to slip through unnoticed. Learn why bad responses are often silently swallowed and how to build..