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

Answer & Solution

Answer: Option B
Solution:
The instanceof keyword is used to determine if an object is an instance of a specific class.
Related Questions on Average

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

A). wait

B). delay

C). execute

D). setTimeout

Which keyword is used to define a class in JavaScript?

A). class

B). defineClass

C). createClass

D). classDef

Which keyword is used to terminate a loop iteration in JavaScript?

A). next

B). iterate

C). continue

D). terminate

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 keyword used to declare a constant variable in JavaScript?

A). const

B). let

C). var

D). constant

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 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 handle exceptions in JavaScript?

A). try

B). handle

C). catch

D). exception

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 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