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CSE :: Javascript - CS

  1. Firebug is an extension of which browser?

  2. A.

     Mozilla

    B.

     Chrome

    C.

     IE

    D.

     Opera

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  3. Firebug can be used to inspect

  4. A.

     HTML

    B.

     CSS

    C.

     DOM

    D.

     All of the mentioned

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  5. Why do Web Developers use Firebug?

  6. A.

     Track cookies

    B.

     Track sessions

    C.

     Both Track cookies and sessions

    D.

     None of the mentioned

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  7. What are the goals for using Firebug?

  8. A.

     Performance

    B.

     Adaptability

    C.

     Complexity

    D.

     Reliability

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  9. Which of the following is not a feature of the User Interface?

  10. A.

     Skinnable Interface

    B.

     Resizable Side Panel

    C.

     Fixed Side Panel

    D.

     Menu options

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  11. What is the default value of the property overrideConsole

  12. A.

     1

    B.

     true

    C.

     0

    D.

     false

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  13. Which of the following property(s) has a default value as false?

  14. A.

     disableWhenFirebugActive

    B.

     showIconWhenHidden

    C.

     disableXHRListener

    D.

     Both disableWhenFirebugActive & showIconWhenHidden

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  15. Which of the following action is possible in Firebug when used as a JavaScript Debugger and Profiler?

  16. A.

     Pause execution in any line

    B.

     Find Scripts easily

    C.

     Find Scripts easily & also Pause execution in any line

    D.

     None of the mentioned

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  17. The let keyword can be used

  18. A.

     in a for or for/in loop, as a substitute for var

    B.

     as a block statement, to define new variables

    C.

     to define variables that are scoped to a single expression

    D.

     all of the mentioned

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  19. How does PhantonJS use YSlow?

  20. A.

     Queries

    B.

     Statements

    C.

     Command Line Prompt

    D.

     Command Line Script

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