Quiz

React Fundamentals

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Quiz

Question 1

What is a controlled component in React forms?

A

A component where form data is handled by the DOM itself

B

A component where form data is controlled by React state

C

A component that does not require event handlers

D

A component that can only be used inside class components

Question 2

Which of the following is an example of an uncontrolled component?

A

<input value={name} onChange={handleChange} />

B

<input ref={inputRef} />

C

<textarea value={text} onChange={handleChange} />

D

<select value={option} onChange={handleChange} />

Question 3

How do you access the value of an uncontrolled input field in React?

A

Using event.target.value inside an onChange handler

B

Using useState and updating the state on every change

C

Using the ref attribute and accessing inputRef.current.value

D

Using the value attribute directly

Question 4

Which hook is commonly used to manage form state in controlled components?

A

`useState

B

useRef

C

useEffect

D

useReducer

.....

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