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

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

A). toString()

B). parseInt()

C). String()

D). Number()

What is the data type of an array in JavaScript?

A). Array

B). Object

C). Collection

D). List

What is the data type of true in JavaScript?

A). String

B). Boolean

C). Number

D). Object

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

A). String

B). Number

C). Object

D). Boolean

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

A). ==

B). !=

C). ===

D). !==

What will typeof NaN return?

A). number

B). NaN

C). undefined

D). object

Which method can be used to convert a string to a number in JavaScript?

A). parseInt()

B). toString()

C). toNumber()

D). parseStr()

How do you declare a variable with an undefined value?

A). let x;

B). let x = '';

C). let x = 0;

D). let x = null;

What is the data type of 42 in JavaScript?

A). String

B). Boolean

C). Number

D). Object

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}