Ajax (programming)

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Asynchronous JavaScript and XML, usually referred to as Ajax (sometimes capitalized AJAX, ) is a set of web development techniques that uses various asynchronous web technologies on the client-side to create web applications. With Ajax, web applications can send and retrieve data from a server asynchronously (in the background) without interfering with the display and behavior of the existing page. By decoupling the data interchange layer from the presentation layer, Ajax allows web pages and, by extension, web applications, to change content dynamically without the need to reload the entire page. In practice, modern implementations commonly return JSON instead of XML; and can return anything, e.g. HTML when used with htmx. Ajax is not a technology, but rather a programming pattern. The webpage can be modified by JavaScript to dynamically display (and allow the user to interact with) retrieved information without refreshing the page. The built-in XMLHttpRequest object can be used to execute...

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