Web Workers MCQ

Test your knowledge with important Web Workers MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Web Workers MCQs on Bissoy. Bissoy App

• Which is the function that allows a worker to terminate itself?
  ক

  close()

  খ

  exit()

  গ

  terminate()

  ঘ

  halt()
• Which property is used to manage multiple event handlers?
  ক

  onmessage

  খ

  onerror

  গ

  both onmessage and onerror

  ঘ

  postmessage
• How can you send data using a Worker object?
  ক

  postMessage()

  খ

  sendMessage()

  গ

  Message()

  ঘ

  post()
• What will happen if you specify an absolute URL in the Worker constructor?
  ক

  Resolves itself

  খ

  Must have the same origin

  গ

  Must not have the same origin

  ঘ

  Specify the address
• Which will be invoked to create a new worker?
  ক

  Function

  খ

  Destructor

  গ

  Constructor

  ঘ

  Interface
• Which of the following is a global object for a new worker?
  ক

  WorkerGlobalScope

  খ

  Worker

  গ

  WorkerScope

  ঘ

  Window
• The object that looks to the thread that creates it is _______________
  ক

  Window

  খ

  Worker

  গ

  Element

  ঘ

  Hash
• Why shouldn’t JavaScript functions not be too long?
  ক

  User friendliness

  খ

  Tie up event loops

  গ

  Browser becomes unresponsive

  ঘ

  All of the mentioned
• Which of the following functions are synchronous?
  ক

  load()

  খ

  require()

  গ

  both load() and require()

  ঘ

  create()
• Which of the following is one of the fundamental features of JavaScript?
  ক

  Single-threaded

  খ

  Multi-threaded

  গ

  Both Single-threaded and Multi-threaded

  ঘ

  Simple-threaded