What are controlled components in React?

Thank you for posing such an insightful question. Controlled components are a fundamental concept in React that directly ties into how form elements, like inputs, textareas, and select tags, manage their state. In a controlled component, the form data is handled by the React component's state. This means that every state mutation will have an associated handler function, making React the "single source of truth" for this data. Let me clarify this with a straightforward example. Imagine we have a text input field within our form. In a controlled component scenario, as the user types into this field, an onChange handler updates the component's state with the user's input...