React interview questions in Hindi #8 What are controlled components?
0In React, a controlled component is a component that is controlled by React state
Practically, when you are building a form dealing with user input, there will be HTML elements like textarea, select, and input. Instead of the DOM handling these fields, the form input is handled by the component in react. An internal state is maintained by these HTML elements and keeps on updating as the user changes the input. In accordance with that, the component that is wrapping the form will keep the mutable form data in its state and handles all the changes using the onChange method, which calls the setState() method.
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