What does the following JavaScript code snippet do? Code: let numbers = [1, 2, 3, 4, 5]; let max = Math.max(...numbers); console.log(max);

What will be the output of the following JavaScript code? Code: console.log('Hello' + 1 + 2);

A). A) Hello12

B). B) Hello3

C). C) Hello

D). D) TypeError: cannot convert number to string

What will be the output of the following JavaScript code? Code: let x = 25; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }

A). A) Even

B). B) Odd

C). C) 25

D). D) None of the above

What does the following JavaScript code snippet do? Code: let x = 'Hello'; let y = x.length; console.log(y);

A). A) Stores the length of the string x in y

B). B) Converts x to uppercase

C). C) Converts x to lowercase

D). D) Finds the index of a character in x

What will be the output of the following JavaScript code? Code: let x = 8; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }

A). A) Even

B). B) Odd

C). C) 8

D). D) None of the above

What will be the output of the following JavaScript code? Code: console.log(2 + 2 + '2');

A). A) 42

B). B) 22

C). C) 4'2'

D). D) '22'

What will be the output of the following JavaScript code? Code: console.log('20' - 10);

A). A) 10

B). B) 30

C). C) '2010'

D). D) NaN

What will be the output of the following JavaScript code? Code: console.log(typeof null);

A). A) Object

B). B) Null

C). C) Undefined

D). D) String

What does the following JavaScript code snippet do? Code: let a = 10; let b = 20; let temp = a; a = b; b = temp; console.log(a, b);

A). A) Swaps the values of a and b

B). B) Adds a and b

C). C) Checks if a is equal to b

D). D) Multiplies a and b

What does the following JavaScript code snippet do? Code: let x = 5; let y = x++; console.log(x, y);

A). A) Increments x and assigns to y

B). B) Decrements x and assigns to y

C). C) Assigns x to y and then increments x

D). D) Assigns x to y and then decrements x

What does the following JavaScript code snippet do? Code: let numbers = [1, 2, 3, 4, 5]; let sum = numbers.reduce((total, num) => total + num, 0); console.log(sum);

A). A) Finds the maximum number in numbers

B). B) Calculates the average of numbers in numbers

C). C) Sums all numbers in numbers

D). D) Checks if all numbers in numbers are even