A brief analysis of the differences between extjs and jquery

In recent years, in the field of web development, ExtJS and jQuery, two popular JavaScript frameworks, have attracted much attention. Some people say that ExtJS is more powerful than jQuery, while others think that jQuery is more flexible and easier to learn. What is the difference between ExtJS and jQuery? Let’s explore it.

1. Different target users

jQuery focuses on dynamic effects on Web pages, with the focus on completing the display of dynamic effects on the browser side. ExtJS focuses more on the development of enterprise-level applications, providing a complete MVC model, data model and componentized form to abstract data.

2. Geeks of varying degrees

jQuery was born with its extremely simple, clear and highly readable API. It provides developers with a quick way to write JavaScript programs while ensuring the reusability of the code. ExtJS is aimed at professional developers. It provides complete and well-organized class libraries and components.

3. Different component libraries

jQuery is just a JavaScript library that can work well with different external libraries and plug-ins. The basic component library includes buttons, text boxes, tables, tabs, and dialog boxes. As a framework, ExtJS comes with hundreds of UI components, supporting Ajax requests, table processing, form processing, windows, paging processing, etc.

4. Different levels of plug-in support

JQuery is also a plug-in aggregator when it comes to plug-in support. It can freely meet the development of most applications. The plug-in architecture of ExtJS is relatively rich, and the framework itself also supports secondary development. For example, foreign sencha provides a series of extension components and good community support.

5. Differences in user experience

jQuery can greatly improve the user experience and enhance the interactivity and visualization effects of Web applications through its own animation module. ExtJS can achieve more practical table editing and visualization operations, and also supports graphics libraries based on Flash and Java to present charts and data visualization.

6. Different learning curves

jQuery’s API is very concise and clear, and there are many answers to questions. This is the main reason why jQuery has become so popular in a short period of time. On the contrary, ExtJS provides more complete and complex components and frameworks, which requires developers to have strong learning ability and development experience.

7. Different business models

jQuery is a completely open source library, you can find a way to do anything within the scope of the license, including commercial use. Today's Ext is no longer an open source product. Ext developers provide two versions of GPL agreement and commercial agreement. Using the GPL agreement is free, but you need to meet the need for open source code. Commercial agreements require payment.

The above is the difference between ExtJS and jQuery. Although both have their own unique characteristics, the choice needs to be based on actual development needs. Learning difficulty, learning time, and business model are all important factors that affect developers' choice.

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