What Do You Know About Ext Js?

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| By Holaoluwa
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Holaoluwa
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Quizzes Created: 23 | Total Attempts: 4,024
Questions: 10 | Attempts: 126

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What Do You Know About Ext Js? - Quiz

This quiz is designed to assess your knowledge and understanding about EXT JS, are you sure you will come out on top? Take this quiz to find out.


Questions and Answers
  • 1. 

    Ext JS version 2.0 was released when? 

    • A.

      July 6, 2009

    • B.

      December 4, 2007

    • C.

      April 26, 2011

    • D.

      July 6, 2008

    Correct Answer
    B. December 4, 2007
  • 2. 

    You cannot buy license for fewer than 5 developers from which version? 

    • A.

      Ext JS 5.0

    • B.

      Ext JS 2.0

    • C.

      Ext JS 4.0

    • D.

      None of these

    Correct Answer
    A. Ext JS 5.0
    Explanation
    The correct answer is Ext JS 5.0. This version of Ext JS does not allow the purchase of a license for fewer than 5 developers.

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  • 3. 

    The following are the components majorly  used in Ex JS excluding one

    • A.

      Message Box

    • B.

      Grid

    • C.

      Tables

    • D.

      HTML Editor

    Correct Answer
    C. Tables
    Explanation
    The given list includes components commonly used in Ext JS, such as Message Box, Grid, and HTML Editor. However, Tables are not typically considered a major component in Ext JS. Tables are commonly used in HTML for organizing data, but in Ext JS, the Grid component is typically used for displaying and manipulating tabular data.

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  • 4. 

    Which of the following is the latest version of Ex JS? 

    • A.

      Ex JS 6.0

    • B.

      Ex JS 4.0

    • C.

      Ex JS 7.0

    • D.

      Ex JS 7.5

    Correct Answer
    A. Ex JS 6.0
  • 5. 

    One of these statements is not true about Ex JS 

    • A.

      The size of the liabary is quite small, which makes initial loading time and application fast

    • B.

      Code compatibility of new versions with the older one

    • C.

      It is protocol agnostic, and can access data from any back-end source

    • D.

      None of these

    Correct Answer
    A. The size of the liabary is quite small, which makes initial loading time and application fast
    Explanation
    The correct answer is that the size of the library is quite small, which makes the initial loading time and application fast. This means that Ex JS is designed to be efficient and lightweight, allowing for quick loading and responsiveness in applications.

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  • 6. 

    What is the major feature of the Ex JS 5.0?

    • A.

      It merges the Ext JS for desktop application and Sencha Touch, for mobile application framework.

    • B.

      It includes the ability to build desktop apps on touch-enabled devices, two-way data binding, responsive layouts, and many more features

    • C.

      It features a new API documentation for desktop application with limited features

    • D.

      All of these

    Correct Answer
    B. It includes the ability to build desktop apps on touch-enabled devices, two-way data binding, responsive layouts, and many more features
    Explanation
    The major feature of the Ex JS 5.0 is that it includes the ability to build desktop apps on touch-enabled devices, two-way data binding, responsive layouts, and many more features.

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  • 7. 

    The following are the major Web browsers supported by Ext JS framework with the exception of

    • A.

      Mozilla Firefox version 1.5 and later

    • B.

      Apple Safari version 2 and later

    • C.

      Netscape Navigator 2.0 and later

    • D.

      Opera version 9 and later

    Correct Answer
    C. Netscape Navigator 2.0 and later
    Explanation
    The given answer is Netscape Navigator 2.0 and later. This is because the question asks for the browser that is not supported by the Ext JS framework, and all the other options (Mozilla Firefox, Apple Safari, and Opera) are listed as supported browsers.

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  • 8. 

    How many types of layout managers does Ex JS have? 

    • A.

      Ten

    • B.

      Four

    • C.

      Six

    • D.

      Eight

    Correct Answer
    A. Ten
    Explanation
    Ex JS has ten types of layout managers.

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  • 9. 

    One of the following best explains the absolute layout

    • A.

      A very simple layout that simply fills the container with a single panel

    • B.

      Displays one panel at a time in a stacked layout

    • C.

      It allows you to position items within a container using CSS-style absolute positioning via XY coordinates

    • D.

      None of these

    Correct Answer
    C. It allows you to position items within a container using CSS-style absolute positioning via XY coordinates
    Explanation
    The correct answer is "It allows you to position items within a container using CSS-style absolute positioning via XY coordinates". This explanation accurately describes the absolute layout, which enables the positioning of items within a container using CSS-style absolute positioning via XY coordinates. This means that the items can be placed precisely at specific coordinates on the container, regardless of the other elements in the layout.

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  • 10. 

    The Ex JS 3.0 was released when? 

    • A.

      2009

    • B.

      2014

    • C.

      2008

    • D.

      2011

    Correct Answer
    A. 2009
    Explanation
    The Ex JS 3.0 was released in 2009.

    Rate this question:

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 11, 2018
    Quiz Created by
    Holaoluwa
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