State Management and Forms in React

Use the useState hook to manage and update a component's local state.

Update state based on the previous state value using the functional updater pattern.

Build controlled form inputs (text, select, checkbox) using useState.

Handle form submission, including preventing default browser behavior.

Implement client-side validation logic and display error messages.

Lift state up to a common ancestor to share data between sibling components.

Build a multi-field contact form that consolidates and logs form data on submission.