Free React JavaScript Q&A - Get Your Questions Answered

When rendering a list using the JavaScript map() method, what is required for each element rendered?

Data

Index

Key

Correct! Wrong!

Which command should be used to start a new React project?

npx create-react-app my-app

npm create-react-app my-app

Correct! Wrong!

Which of the following is NOT a rule for React Hooks?

Hooks cannot be conditional

Hooks can only be called in inside React function components

Hooks can only be called at the top level of a component

Hooks can be called in class or function components

Correct! Wrong!

React components must start with a capital letter

False

True

Correct! Wrong!

Which command is used to launch the local development server for React?

npm run

npm run dev

npm build

npm start

Correct! Wrong!

What is the children prop?

A property that lets you add child values to state

A property that lets you nest components in other components

A property that lets you set an object as a property

A property that lets you pass data to child components

Correct! Wrong!

What does the command's reference to "my-app" mean?

npx create-react-app my-app

The title that you want to give your new app

The brand of a current app

What kind of software you want to develop

The location where you wish to put your app

Correct! Wrong!

FREE React Javascript Questions and Answers

When rendering a list using the JavaScript map() method, what is required for each element rendered?

Which command should be used to start a new React project?

Which of the following is NOT a rule for React Hooks?

React components must start with a capital letter

Which command is used to launch the local development server for React?

What is the children prop?

What does the command's reference to "my-app" mean?

npx create-react-app my-app

FREE Building React App Questions and Answers

FREE Introducing React Hooks Questions and Answers

When rendering a list using the JavaScript map() method, what is required for each element rendered?

Which command should be used to start a new React project?

Which of the following is NOT a rule for React Hooks?

React components must start with a capital letter

Which command is used to launch the local development server for React?

What is the children prop?

What does the command's reference to "my-app" mean? npx create-react-app my-app

Premium Tests $49/moFREE November-2024

What does the command's reference to "my-app" mean?

npx create-react-app my-app

Premium Tests $49/mo
FREE November-2024