What is Ext JS used for?

What is Ext JS used for?

Ext JS is a pure JavaScript application framework for building interactive cross platform web applications using techniques such as Ajax, DHTML and DOM scripting.

What is EXT in coding?

ExtJS stands for Extended JavaScript. It is a JavaScript framework and a product of Sencha, based on YUI (Yahoo User Interface). It is basically a desktop application development platform with modern UI. This tutorial gives a complete understanding of Ext JS.

What are the powerful part of the Ext JS framework?

Components of Ext JS

Sr. No. Component Description
1. Form The form helps us to obtain the data from the user.
2. Grid It is used to display the data in the form of a table.
3. Chart It is used to display the data in a pictorial manner.
4. Message Box This component is used to display the data in an alert box form.

What are the prerequisites for learning Ext JS?

Prerequisites. To learn ExtJS, user should have basic knowledge of HTML, CSS and JavaScript coding. Knowing object-oriented programming concepts and having general idea on creating web applications will also help.

What are features of Ext JS?


  • Customizable UI widgets with collection of rich UI such as grids, pivot grids, forms, charts, trees.
  • Code compatibility of new versions with the older one.
  • A flexible layout manager helps to organize the display of data and content across multiple browsers, devices, and screen sizes.

What are Ext JS components?

Ext. js – Components

Sr.No Methods & Description
1 Grid Grid component can be used to show the data in a tabular format.
2 Form Form widget is to get the data from the user.
3 Message Box Message box is basically used to show data in the form of alert box.
4 Chart Charts are used to represent data in pictorial format.

What is Sencha Ext JS?

Sencha Ext JS is the most comprehensive JavaScript framework for building data-intensive, cross-platform web and mobile applications for any modern device. Ext JS includes 140+ pre-integrated and tested high-performance UI components.

What are extensions and where they are used?

If you’ve ever opened a document or viewed a picture, you’ve probably noticed these letters at the end of your file. File extensions are used by the operating system to identify what apps are associated with what file types—in other words, what app opens when you double-click the file.

What are the advantages of using Ext JS?


  • ExtJS is like a superset of the widgets like simple label, textBox buttons to complex grids, drag-drop panel s etc.
  • It has quite good documentation with tutorials, samples and user community.
  • Active and currently most adopted javascript RIA framework.
  • Good code quality/readability.

How do I create a grid in Ext JS?

var myGrid = Ext. create(‘Ext. grid. Panel’, { store: { fields: [‘name’, ’email’, ‘phone’], sorters: [‘name’, ‘phone’] }, columns: [ { text: ‘Name’, dataIndex: ‘name’ }, { text: ‘Email’, dataIndex: ’email’ } ] });

What is the difference between an ext element and an ext component?

Component is hidden / destroyed / changed / moved, what happens to the Ext. Component if its Ext. Element is hidden / destroyed / changed / moved, etc.

Which of the following is a base class for Ext JS components?

We can add or remove the components from the container and from its child elements. Ext. container. Container is the base class for all the containers in Ext JS.

What do you need to know about basic physics?

Basic Physics Physics is the natural science that studies the matter and its motion and behaviour through space and time and that studies the related entities of energy and force. Let’s find out more about basic physics.

Which is an example of an application of Physics?

Thus, physics is the basic science from which all others have derived. Transistors, microchips, lasers, computers, telecommunications, nuclear power and space travel are among the many applications of physics that are so pervasive in our times.

What’s the purpose of the introduction to physics?

Introduction to Basic Physics Physics is one of the broader subjects that fall under the category of Science. The main object of all the three division, Biology, Physics, and Chemistry are to understand the law of the universe and understand everything in it. Physics is concerned with every aspect of Universe.

Are there any good books on Physics for the rest of US?

(A notable exception is Roger S. Jones’ very readable “Physics for the Rest of Us”, Contemporary Books, 1992). Many of these books focus on specific areas of scientific endeavor; some are offered as part of a series that covers a broader area of physics.