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Although React Hooks generally replace class components, there are no plans to remove classes from React. View:-8832
Question Posted on 06 Oct 2023

Although React Hooks generally replace class components, there are no plans to remove classes from React.

ADS Posted In : Script | React MCQ

React separates the user interface into components. How are components combinded to create a user interface? View:-5865
Question Posted on 05 Oct 2023

React separates the user interface into components. How are components combinded to create a user interface? ....

ADS Posted In : Script | React MCQ

Find the bug in this React below code View:-8796
Question Posted on 04 Oct 2023

Find the bug in this React below code
 <img id='20230911234047-0' src='images/Img20....

ADS Posted In : Script | React MCQ

React component names must begin with an uppercase letter. View:-7957
Question Posted on 03 Oct 2023

React component names must begin with an uppercase letter.
Choose the correct option from below list
....

ADS Posted In : Script | React MCQ

A copy of the "real" DOM that is kept in memory is called what? View:-4355
Question Posted on 03 Oct 2023

A copy of the "real" DOM that is kept in memory is called what?
Choose the correct option from below list....

ADS Posted In : Script | React MCQ

Which keyword creates a constant in JavaScript? View:-5875
Question Posted on 02 Oct 2023

Which keyword creates a constant in JavaScript?
Choose the correct option from below list
(1)const

ADS Posted In : Script | React MCQ

What is the children prop? View:-6322
Question Posted on 01 Oct 2023

What is the children prop?
Choose the correct option from below list
(1)A property that lets you pass....

ADS Posted In : Script | React MCQ

What is the default local host port that a React development server uses? View:-6743
Question Posted on 30 Sep 2023

What is the default local host port that a React development server uses?
Choose the correct option from ....

ADS Posted In : Script | React MCQ

What does myReactApp refer to in the following command "npx create-react-app myReactApp"? View:-4996
Question Posted on 29 Sep 2023

What does myReactApp refer to in the following command "npx create-react-app myReactApp"?
Choose the corr....

ADS Posted In : Script | React MCQ

What is the output of the following code in React? View:-4893
Question Posted on 28 Sep 2023

What is the output of the following code in React?
 <img id='20230911235132-0' src=....

ADS Posted In : Script | React MCQ

What is the correct syntax to import a Component from React? View:-6128
Question Posted on 27 Sep 2023

What is the correct syntax to import a Component from React?
Choose the correct option from below list

ADS Posted In : Script | React MCQ

React can only render elements in the root document element. View:-9210
Question Posted on 26 Sep 2023

React can only render elements in the root document element.
Choose the correct option from below list

ADS Posted In : Script | React MCQ

What is a common use case for ref? View:-7889
Question Posted on 24 Sep 2023

What is a common use case for ref?
Choose the correct option from below list
(1)To refer to another J....

ADS Posted In : Script | React MCQ

When rendering a list using the JavaScript map() method, what is required for each element rendered? View:-5047
Question Posted on 23 Sep 2023

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

ADS Posted In : Script | React MCQ

What type of element will be rendered from the following code? View:-4528
Question Posted on 22 Sep 2023

What type of element will be rendered from the following code?
 <img id='2023091122....

ADS Posted In : Script | React MCQ

To develop and run React code, Node.js is required. View:-8544
Question Posted on 20 Sep 2023

To develop and run React code, Node.js is required.
Choose the correct option from below list
(1)True....

ADS Posted In : Script | React MCQ

What is the correct command to create a new React project? View:-7506
Question Posted on 19 Sep 2023

What is the correct command to create a new React project?
Choose the correct option from below list
....

ADS Posted In : Script | React MCQ

Which of the following is NOT a rule for React Hooks? View:-5419
Question Posted on 18 Sep 2023

Which of the following is NOT a rule for React Hooks?
Choose the correct option from below list
(1)Ho....

ADS Posted In : Script | React MCQ

How can you combine the following arrays using the spread operator? View:-5207
Question Posted on 16 Sep 2023

How can you combine the following arrays using the spread operator?
 <img id='20230....

ADS Posted In : Script | React MCQ

What props will be available to the following component? View:-5026
Question Posted on 14 Sep 2023

What props will be available to the following component?
 <img id='20230911232446-0....

ADS Posted In : Script | React MCQ

How can you optimize performance for a function component that always renders the same way? View:-5487
Question Posted on 13 Sep 2023

How can you optimize performance for a function component that always renders the same way?
Choose the co....

ADS Posted In : Script | React MCQ

What tool does React use to compile JSX? View:-6509
Question Posted on 12 Sep 2023

What tool does React use to compile JSX?
Choose the correct option from below list
(1)JSX Compiler <....

ADS Posted In : Script | React MCQ

What command is used to start the React local development server? View:-5705
Question Posted on 12 Sep 2023

What command is used to start the React local development server?
Choose the correct option from below li....

ADS Posted In : Script | React MCQ

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