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

Which keyword is used to define a block of code with specific permissions in JavaScript?

A). permit

B). restrict

C). block

D). secure

What is the purpose of the arguments keyword in JavaScript?

A). To define function arguments

B). To pass arguments to a function

C). To access function arguments

D). To check if a variable is defined

Which keyword is used to handle code execution after a specified time interval in JavaScript?

A). wait

B). delay

C). execute

D). setTimeout

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

A). break

B). exit

C). stop

D). halt

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 create a label in JavaScript?

A). mark

B). label

C). name

D). identifier

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

A). finally

B). end

C). last

D). complete

What is the purpose of the super keyword in JavaScript?

A). To access parent class properties and methods

B). To create new instances of objects

C). To delete objects

D). To handle exceptions

What is the purpose of the instanceof keyword in JavaScript?

A). To check if a variable is defined

B). To determine the type of an object

C). To create new instances of objects

D). To compare values

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