Tech Quiz

1. Inside which HTML element do we put the JavaScript?

js

javascript

scripting

script

2. Where is the correct place to insert a Javascript file?

Inside head section

At the end of body section

After body section

None

3. What is the correct syntax for referring to an external script called "index.js?"

All

4. How do you write "Hello World" in an alert box?

pop("Hello World");

alert("Hello World");

popUp("Hello World");

alertUp("Hello World");

5. Which operation is used to assign a value to a variable?

js

javascript

scripting

script

6. What does the "typeof" operator return when used with a function in JavaScript?

function

object

undefined

number

7. What will be the result of the following JavaScript code?

('b' + 'a' + + 'a' + 'a').toLowerCase()

undefined

banana

baaa

[object Object]

8. What's so great about XML?

Easy data exchange

High speed on network

Only B.is correct

Both A & B

9. How can a datatype be declared to be a constant type in JS?

const

var

let

constant

10. Which HTTP status code indicates that a resource is not found on the server?

200 OK

404 Not Found

500 Internal Server Error

302 Found

11. Javascript is an ________ language?

Object-Oriented

Object-Based

Procedural

None of the above

12. How can you detect the client's browser name?

client.navName

browser.name

navigator.appName

nav.name

13. What is the value in px for one spacing unit in Tailwind CSS?

2 px

4 px

8 px

10 px

14. What does API stand for?

Automated Programming Interface

Algorithmic Programming Interface

Application Programming Interface

Application Protocol Integration

15. Which of the following is not a valid way to declare a variable in JavaScript?

var myVariable = 10

let myVariable = 10

const myVariable = 10

myVariable = 10

16. Which of the following are not server-side Javascript objects?

Date

FileUpload

All Of The Above

Function

17. Which keyword is used to declare a function in JavaScript?

func

function

def

method

18. Which of the following methods is used to access HTML elements using Javascript?

getElementById()

getElementsByClassName()

Both A and B

None of the above

19. In JavaScript, what is the purpose of the addEventListener method used for?

To attach event handlers to HTML elements

To modify the styling of HTML elements

To create new elements in the DOM

To define global variables in the script

20. The "function" and " var" are known as:

Keywords

Data types

Declaration statements

Prototypes

21. What does HTML stand for?

Hyperlinks and Text Markup Language

Home Tool Markup Language

Hyper Text Markup Language

Home Text Marking Language

22. What is the function to stop an interval timer in JavaScript?

stopTimer

clearInterval

shutdownTimer

clearTimer

23. Which of the following methods can be used to display data in some form using JavaScript?

document.write()

console.log()

window.alert()

All of the Above

24. React is a?

Framework

JavaScript Library

Document Model

None of the Above