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Javascript - CS - Sockets
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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 does a prototype object have?

    2. A.

     6
    B.

     7
    C.

     8
    D.

     9

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  2. Which of the following does not serialize the undefined values or objects within an object?

    3. A.

     JSON.string
    B.

     JSON
    C.

     JSON.stringify
    D.

     None of the mentioned

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  3. How many properties are there in the interface PerformanceTiming?

    4. A.

     21
    B.

     22
    C.

     23
    D.

     24

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  4. How many properties are there in window.performance object?

    5. A.

     1
    B.

     4
    C.

     2
    D.

     3

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  5. What is the purpose of the navigation property in the window.performance object?

    6. A.

     To which page the user navigated
    B.

     How the user navigated
    C.

     All of the mentioned
    D.

     None of the mentioned

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  6. What is the purpose of the property PerformanceTiming.navigationStart?

    7. A.

     Ready to end the navigation
    B.

     Ready to jump the navigation
    C.

     Ready for navigation
    D.

     None of the mentioned

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  7. Which of the following does JSON.stringify not serialize?

    8. A.

     Undefined values
    B.

     Functions within an object
    C.

     Both Undefined values and Functions within an object
    D.

     None of the mentioned

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  8. What is the purpose of the property PerformanceTiming.fetchStart?

    9. A.

     Browser ready to fetch input
    B.

     Browser ready to fetch document
    C.

     Browser ready to fetch summary
    D.

     All of the mentioned

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  9. Which of the following property is associated with the Request event?

    10. A.

     requestStart
    B.

     requestEnd
    C.

     both requestStart and requestEnd
    D.

     none of the mentioned

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  10. Which of the following API can be used to get the timing without affecting the page loading process?

    11. A.

     Navigation API
    B.

     Timing API
    C.

     Navigation Timing API
    D.

     None of the mentioned

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