Q
Which keyword is used to handle asynchronous operations in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The async keyword is used to define asynchronous functions in JavaScript.
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Which keyword is used to terminate a loop iteration in JavaScript?

A). next

B). iterate

C). continue

D). terminate

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

A). permit

B). restrict

C). block

D). secure

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

A). finally

B). end

C). last

D). complete

Which keyword is used to create a label in JavaScript?

A). mark

B). label

C). name

D). identifier

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 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 typeof keyword in JavaScript?

A). To check if a variable is defined

B). To determine the data type of a variable

C). To create new variables

D). To delete variables

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 handle exceptions in JavaScript?

A). try

B). handle

C). catch

D). exception

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

A). const

B). let

C). var

D). constant