What is the result of null == undefined?

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

What is the output of '5' + 3?

A). 8

B). 53

C). 8

D). Error

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

A). array

B). object

C). number

D). list

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

A). String

B). Number

C). Object

D). Boolean

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 output of typeof null?

A). null

B). undefined

C). object

D). number

What is the data type of true in JavaScript?

A). String

B). Boolean

C). Number

D). Object

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

A). ==

B). !=

C). ===

D). !==

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

A). symbol

B). object

C). string

D). undefined

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

A). toString()

B). parseInt()

C). String()

D). Number()