Search Header Logo

React and JavaScript Quiz

Authored by Karnam Bharath

Professional Development

University

Used 2+ times

React and JavaScript Quiz
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does useEffect() do in React?

Fetches data from an API

Handles lifecycle events like componentDidMount

Renders components

Creates a new state

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a higher-order component (HOC)?

useState

withAuth(Component)

useEffect

ComponentDidMount

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyword is used to create a constant in ES6?

var

constant

const

static

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary use of the Redux Toolkit?

CSS styling

Simplifying Redux state management

Creating custom hooks

Building class-based components

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT true about pure functions?

They always return the same output for the same input

They do not cause side effects

They can modify global variables

They are easy to test

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does axios.post() return?

A response object

An object with a data property only

A pending fetch call

A Promise

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What’s the purpose of render() in class-based React components?

Run side effects

Return JSX

Update state

Destroy component

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?