What Do You Know About EXT JS?

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| By Holaoluwa

Holaoluwa

Community Contributor

Quizzes Created: 23 | Total Attempts: 4,118

Questions: 10 | Attempts: 126 | Updated: Mar 21, 2023

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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.

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