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

What is the result of typeof undefined?

A). undefined

B). null

C). object

D). number

What will typeof [1, 2, 3] return?

A). array

B). object

C). number

D). list

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

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 data type of true in JavaScript?

A). String

B). Boolean

C). Number

D). Object

What will typeof NaN return?

A). number

B). NaN

C). undefined

D). object

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

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 symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}