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

Which of the following is a falsy value in JavaScript?

A). 0

B).

C). null

D). All of the above

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 '5' + 3?

A). 8

B). 53

C). 8

D). Error

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

What is the result of typeof undefined?

A). undefined

B). null

C). object

D). number

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

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

A). toString()

B). parseInt()

C). String()

D). Number()

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

A). symbol

B). object

C). string

D). undefined

What will typeof NaN return?

A). number

B). NaN

C). undefined

D). object