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CSE :: Javascript - CS

Javascript - CS - Sockets
Javascript - CS - Animation
Javascript - CS - Array and Function
Javascript - CS - Basic and Variables
Javascript - CS - Classes and Modules
Javascript - CS - Performance Measures
Javascript - CS - Caching and Debugging
Javascript - CS - Graphics and Rendering
Javascript - CS - Parsing, Benchmarking and Logging
Javascript - CS - Invocation and Performance Navigation
Javascript - CS - Server Side and Client Side Scripting
Javascript - CS - Document Object Model and Event Handling
  1. Which of the following is one of the fundamental features of JavaScript?

    2. A.

     Single-threaded
    B.

     Single-threaded
    C.

     Both Single-threaded and Multi-threaded
    D.

     None of the mentioned

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  2. Which of the following functions are synchronous?

    3. A.

     load()
    B.

     require()
    C.

     both load() and require()
    D.

     none of the mentioned

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  3. Why shouldn’t JavaScript functions not be too long?

    4. A.

     User friendliness
    B.

     Tie up event loops
    C.

     Browser becomes unresponsive
    D.

     All of the mentioned

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  4. The object that looks to the thread that creates it is

    5. A.

     Window
    B.

     Worker
    C.

     Element
    D.

     Hash

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  5. Which of the following is a global object for a new worker?

    6. A.

     WorkerGlobalScope
    B.

     Worker
    C.

     WorkerScope
    D.

     Window

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  6. Which will be invoked to create a new worker?

    7. A.

     Function
    B.

     Destructor
    C.

     Constructor
    D.

     Interface

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  7. What will happen if you specify an absolute URL in the Worker constructor?

    8. A.

     Resolves itself
    B.

     Must have the same origin
    C.

     Must not have the same origin
    D.

     None of the mentioned

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  8. How can you send data using a Worker object?

    9. A.

     postMessage()
    B.

     sendMessage()
    C.

     Message()
    D.

     post()

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  9. Which property is used to manage multiple event handlers?

    10. A.

     onmessage
    B.

     onerror
    C.

     both onmessage and onerror
    D.

     none of the mentioned

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  10. Which is the function that allows a worker to terminate itself?

    11. A.

     close()
    B.

     exit()
    C.

     terminate()
    D.

     halt()

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