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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. How many properties are available in a memory object?

    2. A.

     1
    B.

     2
    C.

     3
    D.

     4

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  2. What is a heap in JavaScript?

    3. A.

     Collection of Java objects
    B.

     Collection of JavaScript objects
    C.

     Collection of memory usage values
    D.

     Collection of data stored in memory

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  3. What is the function of the memory object?

    4. A.

     Gets unused memory details
    B.

     Shows optimization
    C.

     Gets memory usage
    D.

     None of the mentioned

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  4. What is the command to access the Heap size limit?

    5. A.

     performance.memory. SizeLimit
    B.

     performance.memory. jsHeapSizeLimit
    C.

     jsHeapSizeLimit
    D.

     performance.jsHeapSizeLimit

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  5. What is the purpose of garbage collection?

    6. A.

     Removes object with many reference
    B.

     Removes object with reference
    C.

     Removes object with invalid reference
    D.

     Removes object with no reference

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  6. What does the usedJsHeapSize property indicate?

    7. A.

     Amount of memory used
    B.

     Amount of memory unused
    C.

     Amount of memory used & unused
    D.

     None of the mentioned

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  7. Which of the following property indicate the total size of heap?

    8. A.

     heapSize
    B.

     totalHeapSize
    C.

     totalJsHeapSize
    D.

     totalHeap

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  8. What can be done to monitor the memory usage?

    9. A.

     Profiling
    B.

     Sequencing
    C.

     Serializing
    D.

     None of the mentioned

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  9. Which of the following gives the high level breakdown of memory usage?

    10. A.

     about:memory
    B.

     memory
    C.

     about-memory
    D.

     about::memory

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  10. Which keyword must be used to get a more granular insight of the memory usage?

    11. A.

     verb
    B.

     verbose
    C.

     granule
    D.

     none of the mentioned

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