Quiz: Quiz 3: Operators and User Interaction | Module 3: Operators and User Interaction

1. What is the result of `10 % 3` in JavaScript?

3.33

3

1

0

2. Which operator is used for strict equality (checks value and type) in JavaScript?

==

===

=

!=

3. What does the `prompt("Enter your age:", "18")` function return if the user types "25" and clicks OK?

The number 25

The string "25"

The number 18

null

4. What is the value of `x` after `let x = 5; x *= 2;`?

5

7

10

2

5. Which dialog box function returns a boolean value (`true` or `false`) based on user choice?

alert()

prompt()

confirm()

log()

6. What is the result of the expression `!(5 > 10) && (3 < 4)`?

true

false

undefined

Error

7. What does the `typeof` operator return for an array like `[1, 2, 3]`?

"array"

"list"

"object"

"number"

8. What is the value of `x` after `let x = 10; x++;`?

10

11

9

undefined

9. If `a = 5` and `b = "5"`, what is `a == b` and `a === b`?

true, true

true, false

false, true

false, false