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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. What is being imposed on each subset to ensure that it conforms to the subset?

    2. A.

     A parser to parse the code
    B.

     A parser that parses and adds to the subset
    C.

     A static verifier that parses code
    D.

     All of the mentioned

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  2. Why was “The Good Parts” designed as a language subset in JavaScript?

    3. A.

     To improve programmer flexibility
    B.

     To balance the work load of the programmer
    C.

     To create an in-built compiler and interpreter
    D.

     To improve programmer productivity

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  3. Which is the subset that is a secure container designed for the purpose of safely running untrusted JavaScript?

    4. A.

     Sandbox
    B.

     The Good Parts
    C.

     Both Sandbox and Good Parts
    D.

     None of the mentioned

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  4. Why is the this keyword forbidden in JavaScript?

    5. A.

     Highly memory consuming
    B.

     Functions should access the global objects
    C.

     Functions should not access the global objects
    D.

     Very inefficient to use

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  5. Which are the two functions that are not allowed in any secure subset?

    6. A.

     evaluate() and restrict()
    B.

     eval() and the Function() constructor
    C.

     debugger() and test()
    D.

     eval() and debugger()

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  6. Which is the object that defines methods that allow complete control over page content?

    7. A.

     The client-side document object
    B.

     The server-side document object
    C.

     Both client-side and server-side document object
    D.

     None of the mentioned

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  7. Which was one of the first security subsets proposed?

    8. A.

     FBJS
    B.

     Caja
    C.

     dojox.secure
    D.

     ADSafe

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  8. Which is the subset that transforms web content into secure modules that can be safely hosted on a web page?

    9. A.

     Microsoft Web Sandbox
    B.

     ADsafe
    C.

     Caja
    D.

     dojox.secure

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  9. Consider the following code snippet

    const pi=3.14;
    var pi=4;
    console.log(pi);

    What will be the output for the above code snippet?

    10. A.

     This will flash an error
    B.

     Prints 4
    C.

     Prints 3.14
    D.

     Ambiguity

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  10. The main difference between the variables declared with var and with let is

    11. A.

     var is confined to a particular function but let is not
    B.

     let is confined to a particular function but var is not
    C.

     var defines values based on conditions but let does not
    D.

     none of the mentioned

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