What is the output of "5" + 3?

Which function can convert a number to a string in JavaScript?

A). toString()

B). parseInt()

C). String()

D). Number()

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

Which method can be used to convert a string to a number in JavaScript?

A). parseInt()

B). toString()

C). toNumber()

D). parseStr()

What is the output of typeof null?

A). null

B). undefined

C). object

D). number

What is the data type of 42 in JavaScript?

A). String

B). Boolean

C). Number

D). Object

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

Which of the following is a falsy value in JavaScript?

A). 0

B).

C). null

D). All of the above

What will typeof NaN return?

A). number

B). NaN

C). undefined

D). object

What is the result of typeof undefined?

A). undefined

B). null

C). object

D). number

How do you declare a variable with an undefined value?

A). let x;

B). let x = '';

C). let x = 0;

D). let x = null;