The user had to reload the page before input options would appear. Using AJAX, it was possible to simultaneously do data exchange and the presentation layer. AJAX: What is it and how does it work AJAX technology has been widely implemented since 2004. As of 2020, it is used in most Internet applications, optimizing their interaction processes with the server. where AJAX is used: Voting and ratings. The technology is used in online voting and rating buttons to evaluate a product or item. Chat. The sites have web chats where the user can ask questions to technical support staff and consultants. Twitter notifications.
When new tweets appear, the site does not need to be reloaded. All information will simply be added to the already loaded site. AJAX technology makes multitasking much easier. Questions - Answers We will answer the most popular questions. Where can I store client state when running AJAX? There are several places where you can store states: on the client singapore email list side in Cookies; on the client side in the content of the web page; in the file system on the client side; on the server itself. Is it possible to export PHP tables using AJAX?
Yes, the technology allows for such export. How to know in PHP script if AJAX request is completed or interrupted? This is done on the client side using a timer in JavaScript. If no response is received after 20 seconds, then we close the entire operation. Conclusion We figured out what AJAX is and what it is intended for. In addition, we looked at examples of its use. Let's remember what information we got from the article: learned what AJAX is; understood the operating principle of this technology; learned about the benefits of AJAX; We looked at examples of application from life. If you are a beginner or a person who wants to get into programming, we invite you to take special courses .