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

What is the data type of true 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 method can be used to convert a string to a number in JavaScript?

A). parseInt()

B). toString()

C). toNumber()

D). parseStr()

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 null === undefined?

A). 1

B). 0

C). Error

D). NaN

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

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

A). symbol

B). object

C). string

D). undefined

What is the data type of an array in JavaScript?

A). Array

B). Object

C). Collection

D). List

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

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

A). ==

B). !=

C). ===

D). !==