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    These include components such as a messages box, grid, and window and everything else that serves a particular user interface. Example: Calendar, MsgBox, Grid Panel etc.

    Explanation: Not available 


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    a) Ext-all.css Ans: A style sheet file that controls the look and feel of Ext widgets.      b) Ext-base.js Ans: This file provides the core functionality of Ext.      c) Ext-all-debug.js/ext-all.js
    Ans: All of the widgets live in this file. The debug version is used for development, and then swapped out for the non-debug version for production.

    Explanation: Not available 


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    The localization is the process of localizing native culture setting correctly according to the country and region such as language, date-time etc.
    
    There are three scenarios for localization that require three separate approaches in ExtJS:
    a) English only
    b) A single language other than English
    c) Multiple languages

    Explanation: Not available 


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    JSON (JavaScript Object Notation), is a lightweight text-based open standard designed for human-readable data interchange. It is derived from the JavaScript scripting language for representing simple data structures and associative arrays, called objects. Despite its relationship to JavaScript, it is language-independent, with parsers available for most languages.

    Explanation: Not available 


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    config objects are just ways of structuring data so that it can easily be read by programming languages. Here are some key thing to remember:
    1.curly brackets warp around our whole record set.
    2. Each record consists of a set of name/value pair.
    3. The records values can contain any type of data.
    4. Square brackets identify an array.


    Explanation: Not available 


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