What does the + operator do when used with two numbers?

What is the result of 5 === '5'?

A). 1

B). 0

C). 1

D). 0

Which of the following is a logical operator in JavaScript?

A). &&

B). ||

C). !

D). All of the above

What does the typeof operator return for a function?

A). function

B). object

C). undefined

D). method

What is the result of the expression 5 + '5'?

A). 10

B). 55

C). 55

D). NaN

Which operator would you use to determine the remainder of a division in JavaScript?

A). /

B). %

C). //

D). \

What is the result of true + false?

A). 0

B). 1

C). truefalse

D). NaN

What does typeof NaN return?

A). number

B). NaN

C). undefined

D). object

What does the typeof operator return for an array?

A). object

B). array

C). list

D). collection

Which operator checks if two values are not equal and also checks for type?

A). !=

B). !==

C). <

D). >

What does the !! operator do to a value?

A). Negates the value

B). Converts the value to its boolean equivalent

C). Increments the value by 2

D). No effect