What will be the output of typeof {} in JavaScript?

What does typeof Math evaluate to in JavaScript?

A). math

B). object

C). number

D). undefined

What does typeof new Date() evaluate to in JavaScript?

A). date

B). object

C). string

D). null

What is the result of Boolean('false') in JavaScript?

A). 1

B). 0

C). NaN

D). null

What does the typeof operator return for an undefined variable?

A). undefined

B). number

C). boolean

D). string

What is the result of typeof undefined in JavaScript?

A). undefined

B). string

C). null

D). object

What is the output of typeof function(){} in JavaScript?

A). function

B). object

C). undefined

D). null

How does the instanceof operator work in JavaScript?

A). Checks if an object has a specific prototype in its prototype chain.

B). Checks if two variables are of the same type.

C). Checks if a variable is null.

D). Checks if a variable is undefined.

How does the typeof operator handle arrays in JavaScript?

A). array

B). object

C). undefined

D). null

What does typeof window.evaluate evaluate to in JavaScript?

A). function

B). object

C). string

D). undefined

What does Number('123') return in JavaScript?

A). 123

B). '123'

C). NaN

D). 1