Which operator is used for string concatenation in JavaScript?

What does the typeof operator return for a function?

A). function

B). object

C). undefined

D). method

Which of the following is a logical operator in JavaScript?

A). &&

B). ||

C). !

D). All of the above

Which of the following is not a comparison operator?

A). ==

B). >

C). <=

D). =

Which of the following operators can be used to compare two values, including type comparison?

A). ==

B). =

C). ===

D). !==

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

A). /

B). %

C). //

D). \

What is the result of the expression 3 * '3'?

A). 9

B). 9

C). 33

D). NaN

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

What is the result of true + false?

A). 0

B). 1

C). truefalse

D). NaN

What is the result of 10 % 3 in JavaScript?

A). 0

B). 1

C). 2

D). 3