JavaScript Keywords Mockest | JavaScript

11.

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

A). next B). iterate C). continue D). terminate

12.

What is the purpose of the delete keyword in JavaScript?

A). To delete all variables B). To remove an element from an array C). To delete properties from an object D). To delete functions

Answer & Solution Discuss in Board

13.

Which keyword is used to handle asynchronous operations in JavaScript?

A). async B). await C). sync D). delay

Answer & Solution Discuss in Board

14.

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

Answer & Solution Discuss in Board

15.

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

A). permit B). restrict C). block D). secure

Answer & Solution Discuss in Board

16.

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

Answer & Solution Discuss in Board

17.

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

A). wait B). delay C). execute D). setTimeout

Answer & Solution Discuss in Board

18.

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

Answer & Solution Discuss in Board

19.

Which keyword is used to create a label in JavaScript?

A). mark B). label C). name D). identifier

Answer & Solution Discuss in Board

20.

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

Answer & Solution Discuss in Board

JavaScript Keywords Mocktest

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

COMPANY

Products

OTHERS

Partner