Quiz

React Fundamentals

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Quiz

Question 1

How do you handle an event in a React component?

A

By adding an event listener using document.addEventListener()

B

By defining an event handler function and passing it to an event attribute like onClick

C

By using the handleEvent() method provided by React

D

By modifying the DOM directly inside componentDidMount()

Question 2

Which of the following is the correct way to pass arguments to an event handler in React?

A

<button onClick={handleClick(event)}>Click Me</button>

B

<button onClick={handleClick(5)}>Click Me</button>

C

<button onClick={() => handleClick(5)}>Click Me</button>

D

<button onClick={handleClick}>Click Me</button>

Question 3

How can you prevent the default behavior of an event in React?

A

By returning false from the event handler

B

By calling event.stopPropagation()

C

By calling event.preventDefault() inside the event handler

D

By setting event.defaultPrevented = true

Question 4

Which event is triggered when a user clicks on a button in React?

A

onHover

B

onChange

C

onSubmit

D

onClick

.....

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