What will be the output of [] instanceof Array in JavaScript?

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

A). 123

B). '123'

C). NaN

D). 1

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.

What does typeof true evaluate to in JavaScript?

A). boolean

B). number

C). string

D). undefined

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

A). 1

B). 0

C). NaN

D). null

What is the output of typeof Symbol('id') in JavaScript?

A). symbol

B). object

C). string

D). null

What is the result of typeof NaN in JavaScript?

A). number

B). NaN

C). undefined

D). string

How does the instanceof operator behave with primitive values in JavaScript?

A). Throws an error

B). Returns true for all primitive values

C). Returns false for all primitive values

D). Primitive values cannot be used with instanceof

What will be the output of typeof null in JavaScript?

A). object

B). null

C). undefined

D). string

What does typeof window.evaluate evaluate to in JavaScript?

A). function

B). object

C). string

D). undefined

What is the result of typeof undefined in JavaScript?

A). undefined

B). string

C). null

D). object