Which of the following is a falsy value in JavaScript?

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

What will typeof NaN return?

A). number

B). NaN

C). undefined

D). object

What is the output of typeof null?

A). null

B). undefined

C). object

D). number

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

What is the output of '5' + 3?

A). 8

B). 53

C). 8

D). Error

What is the data type of true in JavaScript?

A). String

B). Boolean

C). Number

D). Object

Which operator checks both value and type for equality in JavaScript?

A). ==

B). !=

C). ===

D). !==

What is the data type of 42 in JavaScript?

A). String

B). Boolean

C). Number

D). Object

How do you declare a variable with an undefined value?

A). let x;

B). let x = '';

C). let x = 0;

D). let x = null;

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

A). toString()

B). parseInt()

C). String()

D). Number()