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This article mainly talks about "what are the differences between jquery and angularjs". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "what are the differences between jquery and angularjs"?

Differences: 1, JQuery is a JS library, AngularJS is a JS framework; 2, Jquery has nothing to do with the model, Angular is based on the MVC model; 3, Jquery has no two-way binding function, Angular has; 4, jQuery is suitable for return, Angular is suitable for single-page applications, and so on.

The operating environment of this tutorial: windows7 system, jquery1.10.0&&Angular6 version, Dell G3 computer.

The difference between AngularJS and JQuery:

1. JQuery is a JavaScript library for DOM operations; AngularJS is a JavaScript framework.

2. Jquery is model-independent; Angular is based on MVC and is used to create SPA (single-page applications).

3. Jquery has no bidirectional binding function, while Angular has key functions such as routing, instruction, bidirectional data binding, model, dependency injection, unit testing and so on.

4. There are differences in development modes.

AngularJS and jQuery have completely different ideas on web application development mode:

JQuery: create an application by displaying the DOM in the operation browser (suitable for return applications), which is not conducive to comprehensive unit testing for large and complex items.

AngularJS: absorb the browser as the foundation of the application (suitable for single-page applications), good at large and complex projects, to facilitate comprehensive unit testing.

So what are reciprocal applications and single-page applications?

Reciprocal application (Round-Trip Application)

At the beginning of the development of Web applications, many developers used callback applications.

Compared with a single-page application, it is equivalent to a multi-page application.

Advantages: it requires less browsers and can guarantee maximum support for the client.

Disadvantages: users have to wait before the next HTML document is requested and loaded, during which time, it needs a large server, that is, the back-end server, to process all requests and manage all application state, which takes up a lot of bandwidth (because each HTML document must be self-contained, that is, every time the page is updated, the updated and unupdated contents of the HTML document are fully sent to the server. This results in a lot of the same content in each response generated from the server.

Single page application (Single-Page Application)

Compared with the reciprocal application, the single-page application is a different way. Only one initial HTML document for the entire application is sent to the browser, and Ajax (asynchronous) requests resulting from user interaction only request smaller HTML fragments, or data to be inserted into existing elements that are displayed to the user.

The initial HTML document is not reloaded or replaced, and the user can continue to interact with the existing HTML when the Ajax request is executed asynchronously.

Advantages: reduce the amount of data requested from the backend, reduce the bandwidth, and improve the performance of web applications.

Cons: improved performance for browsers, and not all browsers are compatible with certain features.

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