What is the output of "5" - 3?

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 data type of true in JavaScript?

A). String

B). Boolean

C). Number

D). Object

Which of the following is a falsy value in JavaScript?

A). 0

B).

C). null

D). All of the above

What is the result of typeof Symbol('id')?

A). symbol

B). object

C). string

D). undefined

What is the output of '5' + 3?

A). 8

B). 53

C). 8

D). Error

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

A). toString()

B). parseInt()

C). String()

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;

Which of the following is not a primitive data type in JavaScript?

A). String

B). Number

C). Object

D). Boolean

What is the output of typeof null?

A). null

B). undefined

C). object

D). number

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

A). ==

B). !=

C). ===

D). !==