The Importance of useCallback for Event Handlers in Child Components When passing event handlers to child components in React, failing to use useCallback can lead to performance issues. Here’s what….
A critical React mistake is modifying state directly rather than using the proper setState() method (for class components) or state setter function (for functional components). The Problem Why this is….
If process.env variables are undefined in frontend JavaScript code, it is because process.env is a feature of Node.js, which runs on the backend. The browser does not have direct access….
