JS Practice Array & Function

Consider the following function:

What will be the result of calling the findMax function with the array [3, 8, 2, 10, 5]?

• 10

• 5

• 3

• 2

Consider the following function:

What will be the result of calling the findAverage function with the array [10, 20, 30, 40, 50]?

• 30

• 25

• 40

• 35

What is the data type of the variable studentInfo in the following code snippet?

• Number

• String

• Boolean

• Object

Consider the following code snippet:

• Number

• String

• Boolean

• Undefined

Consider the following code snippet:

• Number

• String

• null

• Undefined

Consider the following array:

let numbers = [1, 2, 3, 4, 5];

What will be the length of the numbers array after executing the following code?

numbers.pop();

numbers.push(6);

console.log(numbers.length);

• 4

• 5

• 6

• 7

Consider the following array:

let numbers = [5, 2, 8, 3, 1];

What will be the result of sorting the numbers array in ascending order using the sort() method?

• [5, 2, 8, 3, 1]

• [1, 2, 3, 5, 8]

• [8, 5, 3, 2, 1]

• [1, 3, 2, 5, 8]

Consider the following array:

let fruits = ["apple", "orange", "banana"];

What will be the result of converting the fruits array into a string using the toString() method?

• "apple, orange, banana"

• ["apple", "orange", "banana"]

• "apple orange banana"

• "apple,orange,banana"

Consider the following function:

What will be the result of calling the doubleNumbers function with the array [1, 2, 3, 4, 5]?

• [2, 4, 6, 8, 10]

• [1, 2, 3, 4, 5]

• [1, 4, 9, 16, 25]

• [2, 3, 4, 5, 6]

Consider the following code snippet:

• 3

• 5

• 7

• 4