FSD DAY -3 102

1. What does DOM stand for
   

• 1. A Document Orientation Model
     
     
     

• 1. B Data Object Model

• 1. C Document Object Model

• 1. D Dynamic Object Model

Which method is used to get an element by ID

• A getElement

• B getById

• C querySelector with hash id

• D getElementById

3. How can you change the text of an HTML element with id="demo"?

• A) demo.text = "Hello"

• B) document.text("demo") = "Hello"

• C) document.getElementById("demo").innerHTML = "Hello"

• D) innerHTML("demo") = "Hello"

4. Which BOM object represents the browser window?

• A) document

• B) window

• C) location

• D) screen

5. What does navigator.userAgent return?

• A) User’s login name

• B) User’s location

• C) Browser and OS details

• D) Screen size

6. Which method shows a pop-up alert?

• A) pop()

• B) alert()

• C) window.pop()

• D) display()

7. Which of these is not a JavaScript data type?

• A) String

• B) Boolean

• C) Float

• D) Object

8. What is the output of typeof null?

• A) "null"

• B) "object"

• C) "undefined"

• D) "string"

9. What is the correct way to write a function in JavaScript?

• A) function = myFunc()

• B) def myFunc()

• C) function myFunc()

• D) create myFunc()

10. What does NaN stand for in JavaScript?

• A) Not a Null

• B) Name and Number

• C) Not a Number

• D) Null and Number