React Event Handling Explained: Mouse, Keyboard, and Form Interactions

Day 9 of the React Mastery Series covers how React applications respond to user interactions through its built-in event system. Unlike vanilla JavaScript, React attaches event listeners directly in JSX using camelCase naming conventions such as onClick and onChange, managing registration internally. React wraps native browser events in a SyntheticEvent object, ensuring consistent cross-browser behavior for mouse, keyboard, and form events. A key concept highlighted is avoiding direct function calls in event handlers during rendering, instead using function references or arrow functions to delay execution. The article also introduces controlled components, where React state serves as the single source of truth for form inputs, and explains how event.preventDefault() stops default browser behavior like page refresh on form submission.