Q
What is the purpose of the typeof keyword in JavaScript?

Answer & Solution

Answer: Option B
Solution:
The typeof keyword is used to determine the data type of a variable or expression.
Related Questions on Average

What is the purpose of the yield keyword in JavaScript?

A). To pause and resume a generator function

B). To stop the execution of a function

C). To yield control to another function

D). To return a value from a function

Which keyword is used to define an object in JavaScript?

A). object

B). defineObject

C). createObject

D). obj

Which keyword is used to handle asynchronous operations in JavaScript?

A). async

B). await

C). sync

D). delay

Which keyword is used to handle the final steps in error handling in JavaScript?

A). finally

B). end

C). last

D). complete

What keyword is used to break out of a loop in JavaScript?

A). break

B). exit

C). stop

D). halt

Which keyword is used to handle exceptions in JavaScript?

A). try

B). handle

C). catch

D). exception

Which keyword is used to define a class in JavaScript?

A). class

B). defineClass

C). createClass

D). classDef

What is the keyword used to declare a constant variable in JavaScript?

A). const

B). let

C). var

D). constant

What is the purpose of the break keyword in JavaScript?

A). To terminate a loop

B). To skip a loop iteration

C). To handle exceptions

D). To define a new function

Which keyword is used to create a label in JavaScript?

A). mark

B). label

C). name

D). identifier