React useState Hook Explained: State, Syntax, Updates & Examples (2026)

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  React useState Hook: Complete Guide to State in React When you build a React application, you often need to store information that can change while the user is using the page. For example: A counter can increase or decrease. A button can change from Follow to Following. A form field can store the text entered by the user. A menu can open and close. A product quantity can increase or decrease. React uses state to handle this type of changing information. The useState Hook is one of the first React Hooks that every React developer should learn. It allows a functional component to create and manage its own state.

Top 20 HTML MCQ with Answers (part 1)

                TOP  20 HTML MCQ with Answers

TOP  20 HTML MCQ with Answers

1]  What  is HTML stand for?

     a] Hyper transfer markup language
     b] Hyper Text Markup language
     c] Hyper test Markup langauge
     d] Hyper text Markup langauge
 
Answer : b] Hyper text Markup language

2]  HTML  element for the largest heading?
    
    a) <head>
    b) <h6>
    c)  <h1>
    d)  <h4>

 Answer : c) <h1>

3] HTML element for insert line break?
  
  a) <br>
  b) < line>
  c) <insert>
  d) <break>

 Answer :  a) <br>

4] Syntax HTML comment?
 
a)  //comment
b)  #comment
c)  /* comment*/
d)  <!--comment-->

Answer : - d)  <!--comment-->

5] which html tag element defines title of the document?
  
  a) <html>
  b)  <head>
  c) <meta>
  d) <title>

 Answer : -  d) <title>

6] HTML for creating a hyperlink?

  a) <a href="http://www.example.com">example</a>
  b) <a src="http://www.example.com  >example</a>
  c) <a href="http://www.example.com >example</a>
  d)  <a href= http://www.example.com >example</a>

Answer :- a) <a href="http://www.example.com">example</a>


7)  HTML  tag is called the root element of html?

  a) <title> 
  b) <head>
  c) <html>
  d) <body>

Answer :-   c) <html>

8) HTML is case sensitive ?
  
 a) Yes
  b) No

 Answer :-   b) No

9) which of the properties is used to change the font  of text?
 
  a) font-family
  b) font-size
  c) none 
  b) text-align

Answer :-   a) font-family

10) Create HTML page?

 a) web Browser
 b) a text editor
 c) A ans B Both
 d) none

Answer :-   c) A ans B Both

11) which property is used set border colors in html ?
 
 a) border
 b) border-color
 c) both  A &B
 d) none of the above

Answer :-   b) border-color

12)  which property is used to set colors in html?

a) font-color 
b) background-color
c) color
d) text-color

Answer : - c) color

13) what tag is used to render an image on a webpage?

 a) img
 b) image
 c)  src
 d) none
 
Answer :   a) img

14) what  attribute is used provide a unique name html element?

a) class
b) id 
c) type 
d) none

Answer :  b) id 

15) what   html tag used set up javascript client-side scriping language ?

 a) <anchor>
 b) <script>
 c) <select>
 d) none
 
Answer :   b) <script>

16)  block-level elements in html?

 a)  <p>
 b) <h1>
 c) <div>
 d) all above

Answer :  d) all above

 17)  color are defined HTML using?
  
   a) RGBA values
   b) RGB values
   c) HEX values 
   d) all  of the above 

Answer :  d) all  of the above 

18)  How are quotations defined in html?

 a) <blockquote>
 b) <block>
 c) <quote>
 d)  none

Answer :   a) <blockquote>

19)  how many characters can be written in 1KB?

 a) 1048
 b) 1024
 c)  100
 d) 1058

Answer :  a) 1048

20) how many sizes of headers available in HTML by default?
 
 a) 4
 b) 6
 c) 1
 d) 3

Answer :  b) 6


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