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This article mainly introduces the relevant knowledge of "what are the advantages and disadvantages of ajax". The editor shows you the operation process through actual cases, and the operation method is simple, fast and practical. I hope this article "what are the advantages and disadvantages of ajax" can help you solve the problem.

The full name of Ajax is "Asynchronous Javascript And XML", which means "asynchronous JavaScript and XML" in Chinese. It is a technology used to create fast dynamic web pages. It is a technology that can update some web pages without reloading the whole web page.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

What is ajax?

Ajax is Asynchronous Javascript And XML (Asynchronous JavaScript and XML).

Ajax is not a new programming language, but a new way to use existing standards. Ajax is the art of exchanging data with the server and updating parts of the web page without reloading the entire page.

Ajax is a technology that can update parts of a web page without reloading the entire page.

Ajax is a technology for creating fast dynamic web pages. By exchanging a small amount of data with the server in the background. Ajax enables web pages to be updated asynchronously. This means that some part of the page can be updated without reloading the entire page. On the other hand, traditional web pages (without ajax) must reload the entire web page if they need to update content.

The application of ajax uses a web browser that supports the above technologies as the running platform. These browsers currently include: Mozilla, Firefox, Internet Explorer, Opera, Konqueror and Safari. But Opera does not support XSL format objects, nor does it support XSLT.

The prospect of ajax is very optimistic, which can improve the system performance and optimize the user interface. AJAX existing direct framework AjaxPro, you can introduce AjaxPro.2.dll files, you can directly call the method of the background page in the foreground page JS. However, this framework conflicts with FORM validation. In addition, Microsoft has also introduced AJAX build, which needs to add AjaxControlToolkit.dll files, and related controls can appear in the control list.

Advantages of ajax:

1, the biggest point is that the page is not refreshed, the user experience is very good.

2. Communicate with the server asynchronously, which has the ability to respond more quickly.

3. We can transfer the work of some previous servers to the client, make use of the idle ability of the client to deal with it, reduce the burden of the server and bandwidth, and save space and broadband rental costs. And reduce the burden on the server, ajax's principle is to "fetch data on demand", which can minimize the burden of redundant requests and responses on the server.

4. Based on standardized and widely supported technology, there is no need to download plug-ins or Mini Program.

5. Ajax can make Internet applications smaller, faster and more friendly.

Disadvantages of ajax:

1. Ajax does not support browser back button.

2. Security issues AJAX exposes the details of interacting with the server.

3. The support for search engine is weak.

4. Destroy the exception mechanism of the program.

5. It is not easy to debug.

This is the end of the content about "what are the advantages and disadvantages of ajax". Thank you for your reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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